Binary compounds of hydrogen

Short description: Chemical compounds containing only  hydrogen and one other chemical element

Binary compounds of hydrogen are binary chemical compounds containing just hydrogen and one other chemical element. By convention all binary hydrogen compounds are called hydrides even when the hydrogen atom in it is not an anion.[1][2][3][4] These hydrogen compounds can be grouped into several types.

## Contents

* 1 Overview
* 2 The periodic table of the stable binary hydrides
* 3 Molecular hydrides
* 3.1 Classical hydrides
* 3.2 Non-classical covalent hydrides
* 4 Hydrogen solutions
* 5 Notes
* 6 References

## Overview

Binary hydrogen compounds in group 1 are the ionic hydrides (also called saline hydrides) wherein hydrogen is bound electrostatically. Because hydrogen is located somewhat centrally in an electronegative sense, it is necessary for the counterion to be exceptionally electropositive for the hydride to possibly be accurately described as truly behaving ionic. Therefore, this category of hydrides contains only a few members.

Hydrides in group 2 are polymeric covalent hydrides. In these, hydrogen forms bridging covalent bonds, usually possessing mediocre degrees of ionic character, which make them difficult to be accurately described as either covalent or ionic. The one exception is beryllium hydride, which has definitively covalent properties.

Hydrides in the transition metals and lanthanides are also typically polymeric covalent hydrides. However, they usually possess only weak degrees of ionic character. Usually, these hydrides rapidly decompose into their component elements at ambient conditions. The results consist of metallic matrices with dissolved, often stoichiometric or near so, concentrations of hydrogen, ranging from negligible to substantial. Such a solid can be thought of as a solid solution and is alternately termed a metallic- or interstitial hydride. These decomposed solids are identifiable by their ability to conduct electricity and their magnetic properties (the presence of hydrogen is coupled with the delocalisation of the valence electrons of the metal), and their lowered density compared to the metal. Both the saline hydrides and the polymeric covalent hydrides typically react strongly with water and air.

It is possible to produce a metallic hydride without requiring decomposition as a necessary step. If a sample of bulk metal is subjected to any one of numerous hydrogen absorption techniques, the characteristics, such as luster and hardness of the metal is often retained to a large degree. Bulk actinoid hydrides are only known in this form. The affinity for hydrogen for most of the d-block elements are low. Therefore, elements in this block do not form hydrides (the hydride gap) under standard temperature and pressure with the notable exception of palladium.[5] Palladium can absorb up to 900 times its own volume of hydrogen and is therefore actively researched in the field hydrogen storage.

Elements in group 13 to 17 (p-block) form covalent hydrides (or nonmetal hydrides). In group 12 zinc hydride is a common chemical reagent but cadmium hydride and mercury hydride are very unstable and esoteric. In group 13 boron hydrides exist as a highly reactive monomer BH3, as an adduct for example ammonia borane or as dimeric diborane and as a whole group of BH cluster compounds. Alane (AlH3) is a polymer. Gallium exists as the dimer digallane. Indium hydride is only stable below −90 °C (−130 °F). Not much is known about the final group 13 hydride, thallium hydride.

Due to the total number of possible binary saturated compounds with carbon of the type CnH2n+2 being very large, there are many group 14 hydrides. Going down the group the number of binary silicon compounds (silanes) is small (straight or branched but rarely cyclic) for example disilane and trisilane. For germanium only 5 linear chain binary compounds are known as gases or volatile liquids. Examples are n-pentagermane, isopentagermane and neopentagermane. Of tin only the distannane is known. Plumbane is an unstable gas.

The hydrogen halides, hydrogen chalcogenides and pnictogen hydrides also form compounds with hydrogen, whose lightest members show many anomalous properties due to hydrogen bonding.

Non-classical hydrides are those in which extra hydrogen molecules are coordinated as a ligand on the central atoms. These are very unstable but some have been shown to exist.

Polyhydrides or superhydrides are compounds in which the number of hydrogen atoms exceed the valency of the combining atom. These may only be stable under extreme pressure, but may be high temperature superconductors, such as H3S, superconducting at up to 203 K. Polyhydrides are actively studied with the hope of discovering a room temperature superconductor.

## The periodic table of the stable binary hydrides

The relative stability of binary hydrogen compounds and alloys at standard temperature and pressure can be inferred from their standard enthalpy of formation values.[6]

H2 0 |  |  |  | He

|
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LiH −91 | BeH2 negative | BH3 41 | CH4 −74.8 | NH3 −46.8 | H2O −243 | HF −272 | Ne
NaH −57 | MgH2 −75 | AlH3 −46 | SiH4 31 | PH3 5.4 | H2S −20.7 | HCl −93 | Ar
KH −58 | CaH2 −174 | ScH2 | TiH2 | VH  | CrH | Mn  | FeH, FeH2 | Co  | Ni | CuH | ZnH2 | GaH3 | GeH4 92 | AsH3 67 | H2Se 30 | HBr −36.5 | Kr
RbH −47 | SrH2 −177 | YH2 | ZrH2 | NbH  | Mo  | Tc  | Ru  | Rh  | PdH | Ag  | CdH2 | InH3 | SnH4 163 | SbH3 146 | H2Te 100 | HI 26.6 | Xe
CsH −50 | BaH2 −172 | LuH2 | HfH2 | TaH  | W  | Re  | Os  | Ir  | Pt  | Au  | Hg  | Tl  | PbH4 252 | BiH3 247 | H2Po 167 | HAt positive | Rn
Fr  | Ra  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |
| LaH2 | CeH2 | PrH2 | NdH2 | PmH2 | SmH2 | EuH2 | GdH2 | TbH2 | DyH2 | HoH2 | ErH2 | TmH2 | YbH2
| Ac  | Th  | Pa  | U  | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No  |
Binary compounds of hydrogen Covalent hydrides  | metallic hydrides

|

Ionic hydrides  | Intermediate hydrides
Do not exist  | Not assessed

## Molecular hydrides

The isolation of monomeric molecular hydrides usually require extremely mild conditions, which are partial pressure and cryogenic temperature. The reason for this is threefold - firstly, most molecular hydrides are thermodynamically unstable toward decomposition into their elements; secondly, many molecular hydrides are also thermodynamically unstable toward polymerisation; and thirdly, most molecular hydrides are also kinetically unstable toward these types of reactions due to low activation energy barriers.

Instability toward decomposition is generally attributable to poor contribution from the orbitals of the heavier elements to the molecular bonding orbitals. Instability toward polymerisation is a consequence of the electron-deficiency of the monomers relative to the polymers. Relativistic effects play an important role in determining the energy levels of molecular orbitals formed by the heavier elements. As a consequence, these molecular hydrides are commonly less electron-deficient than otherwise expected. For example, based on its position in the 12th column of the periodic table alone, mercury(II) hydride would be expected to be rather deficient. However, it is in fact satiated, with the monomeric form being much more energetically favourable than any oligomeric form.

The table below shows the monomeric hydride for each element that is closest to, but not surpassing its heuristic valence. A heuristic valence is the valence of an element that strictly obeys the octet, duodectet, and sexdectet valence rules. Elements may be prevented from reaching their heuristic valence by various steric and electronic effects. In the case of chromium, for example, stearic hindrance ensures that both the octahedral and trigonal prismatic molecular geometries for CrH6 are thermodynamically unstable to rearranging to a Kubas complex structural isomer.

Where available, both the enthalpy of formation for each monomer and the enthalpy of formation for the hydride in its standard state is shown (in brackets) to give a rough indication of which monomers tend to undergo aggregation to lower enthalpic states. For example, monomeric lithium hydride has an enthalpy of formation of 139 kJ mol−1, whereas solid lithium hydride has an enthalpy of −91 kJ mol−1. This means that it is energetically favourable for a mole of monomeric LiH to aggregate into the ionic solid, losing 230 kJ as a consequence. Aggregation can occur as a chemical association, such as polymerisation, or it can occur as an electrostatic association, such as the formation of hydrogen-bonding in water.

### Classical hydrides

Classical hydrides  1  | 2  | 3  | 4  | 5  | 6  | 5  | 4  | 3  | 2  | 1  | 2  | 3  | 4  | 3  | 2  | 1  |

|
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H2 0
LiH[7] 139(−91) | BeH2[8] 123 |  | BH3[9] 107(41) | CH4 −75 | NH3 −46 | H2O −242(−286) | HF −273
NaH[10] 140(−56) | MgH2 142(−76) | AlH3[11] 123(−46) | SiH4 34 | PH3 5 | H2S −21 | HCl −92
KH 132(−58) | CaH2 192(−174) | ScH3 | TiH4 | VH2[12] | CrH2[13] | MnH2[14] (−12) | FeH2[15] 324 | CoH2[16] | NiH2[17] 168 | CuH[18] 278(28) | ZnH2[19] 162 | GaH3[20] 151 | GeH4 92 | AsH3 67 | H2Se 30 | HBr −36
RbH 132(−47) | SrH2 201(−177) | YH3 | ZrH4 | NbH4[12] | MoH6[21] | Tc  | RuH2[15] | RhH2[22] | PdH[23] 361 | AgH[18] 288 | CdH2[19] 183 | InH3[24] 222 | SnH4 163 | SbH3 146 | H2Te 100 | HI 27
CsH 119(−50) | BaH2 213(−177) | LuH3 | HfH4 | TaH4[12] | WH6[25] 586 | ReH4[14] | Os  | Ir  | PtH2[26] | AuH[18] 295 | HgH2[27] 101 | TlH3[28] 293 | PbH4 252 | BiH3 247 | H2Po 167 | HAt 88
Fr  | Ra  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts
| ↓
3  | 4  | 5  | 6  | 7  | 8  | 7  | 6  | 5  | 4  | 3  | 2  | 1  | 2
LaH3 | CeH4 | PrH3 | NdH4 | Pm  | SmH4 | EuH3[29] | GdH3 | TbH3 | DyH4 | HoH3 | ErH2 | TmH | YbH2
Ac  | ThH4[30] | Pa  | UH4[31] | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No
Legend Monomeric covalent  |  | Oligomeric covalent  |

|
|
|

Polymeric covalent  |  | Ionic  |
Polymeric delocalised covalent
Unknown solid structure  |  | Not assessed

This table includes the thermally unstable dihydrogen complexes for the sake of completeness. As with the above table, only the complexes with the most complete valence is shown, to the negligence of the most stable complex.

### Non-classical covalent hydrides

A molecular hydride may be able to bind to hydrogen molecules acting as a ligand. The complexes are termed non-classical covalent hydrides. These complexes contain more hydrogen than the classical covalent hydrides, but are only stable at very low temperatures. They may be isolated in inert gas matrix, or as a cryogenic gas. Others have only been predicted using computational chemistry.

Non-classical covalent hydrides  8  | 18  | 8

|
|

LiH(H2)2[7] | Be  |  | BH3(H2)
Na  | MgH2(H2)n[32] | AlH3(H2)
K  | Ca[33] | ScH3(H2)6[34][35] | TiH2(H2)[36] | VH2(H2)[12] | CrH2(H2)2[37] | Mn  | FeH2(H2)3[38] | CoH(H2) | Ni(H2)4 | CuH(H2)  | ZnH2(H2) | GaH3(H2)
Rb  | Sr[33] | YH2(H2)3 | Zr  | NbH4(H2)4[39] | Mo  | Tc  | RuH2(H2)4[40] | RhH3(H2)  | Pd(H2)3 | AgH(H2)  | CdH(H2) | InH3(H2)[41]
Cs  | Ba[33] | Lu  | Hf  | TaH4(H2)4[12] | WH4(H2)4[42] | Re  | Os  | Ir  | PtH(H2) | AuH3(H2) | Hg  | Tl
Fr  | Ra  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh
| ↓
32  | 18
LaH2(H2)2 | CeH2(H2) | PrH2(H2)2 | Nd  | Pm  | Sm  | Eu  | GdH2(H2) | Tb  | Dy  | Ho  | Er  | Tm  | Yb
Ac  | ThH4(H2)4[43] | Pa  | UH4(H2)6[31] | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No
Legend Assessed[by whom?] | Not assessed

|

## Hydrogen solutions

Hydrogen has a highly variable solubility in the elements. When the continuous phase of the solution is a metal, it is called a metallic hydride or interstitial hydride, on account of the position of the hydrogen within the crystal structure of the metal. In solution, hydrogen can occur in either the atomic or molecular form. For some elements, when hydrogen content exceeds its solubility, the excess precipitates out as a stoichiometric compound. The table below shows the solubility of hydrogen in each element as a molar ratio at 25 °C (77 °F) and 100 kPa.

| He

|

LiH<1×10−4
[nb 1][44] | Be  |  | B  | C  | N  | O  | F  | Ne
NaH<8×10−7
[nb 2][45] | MgH<0.010
[nb 3][46] | AlH<2.5×10−8
[nb 4][47] | Si  | P  | S  | Cl  | Ar
KH<<0.01
[nb 5][48] | CaH<<0.01
[nb 6][49] | ScH≥1.86
[nb 7][50] | TiH2.00
[nb 8][51] | VH1.00
[nb 9][52] | Cr  | MnH<5×10−6
[nb 10][53] | FeH3×10−8
[54] | Co  | NiH3×10−5
[55] | CuH<1×10−7
[nb 11][56] | ZnH<3×10−7
[nb 12][57] | Ga  | Ge  | As  | Se  | Br  | Kr
RbH<<0.01
[nb 13][58] | Sr  | YH≥2.85
[nb 14][59] | ZrH≥1.70
[nb 15][60] | NbH1.1
[nb 16][61] | Mo  | Tc  | Ru  | Rh  | PdH0.724
[62] | AgH3.84×10−14
[63] | Cd  | In  | Sn  | Sb  | Te  | I  | Xe
CsH<<0.01
[nb 17][64] | Ba  | Lu  | Hf  | TaH0.79
[nb 18][65] | W  | Re  | Os  | Ir  | Pt  | AuH3.06×10−9
[62] | HgH5×10−7
[66] | Tl  | Pb  | Bi  | Po  | At  | Rn
Fr  | Ra  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓
LaH≥2.03
[nb 19][67] | CeH≥2.5
[nb 20][68] | Pr  | Nd  | Pm  | SmH3.00
[69] | Eu  | Gd  | Tb  | Dy  | Ho  | Er  | Tm  | Yb
Ac  | Th  | Pa  | UH≥3.00
[nb 21][70] | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | FM  | Md  | No
Legend Miscible  | Undetermined

|

## Notes

1. ↑ Upper limit imposed by phase diagram, taken at 454 K.
2. ↑ Upper limit imposed by phase diagram, taken at 383 K.
3. ↑ Upper limit imposed by phase diagram, taken at 650 K and 25 MPa.
4. ↑ Upper limit imposed by phase diagram, taken at 556 K.
5. ↑ Upper limit imposed by phase diagram.
6. ↑ Upper limit imposed by phase diagram, taken at 500 K.
7. ↑ Lower limit imposed by phase diagram.
8. ↑ Limit imposed by phase diagram.
9. ↑ Limit imposed by phase diagram.
10. ↑ Upper limit imposed by phase diagram, taken at 500 K.
11. ↑ Upper limit imposed by phase diagram, taken at 1000 K.
12. ↑ Upper limit at 500 K.
13. ↑ Upper limit imposed by phase diagram.
14. ↑ Lower limit imposed by phase diagram.
15. ↑ Lower limit imposed by phase diagram.
16. ↑ Limit imposed by phase diagram.
17. ↑ Upper limit imposed by phase diagram.
18. ↑ Limit imposed by phase diagram.
19. ↑ Lower limit imposed by phase diagram.
20. ↑ Lower limit imposed by phase diagram.
21. ↑ Lower limit imposed by phase diagram.

## References

1. ↑ Concise Inorganic Chemistry J.D. Lee
2. ↑ Main Group Chemistry, 2nd Edition, A. G. Massey
3. ↑ Advanced Inorganic Chemistry F. Albert Cotton, Geoffrey Wilkinson
4. ↑ Inorganic chemistry, Catherine E. Housecroft, A. G. Sharpe
5. ↑ Inorganic Chemistry Gary Wulfsberg 2000
6. ↑ Data in KJ/mole gas-phase source: Modern Inorganic Chemistry W.L. Jolly
7. ↑ 7.0 7.1 Wang, Xuefeng; Andrews, Lester (12 July 2007). "Infrared spectra and theoretical calculations of lithium hydride clusters in solid hydrogen, neon, and argon". The Journal of Physical Chemistry A 111 (27): 6008–6019. doi:10.1021/jp071251y. PMID 17547379. Bibcode: 2007JPCA..111.6008W.
8. ↑ Tague Jr., Thomas J.; Andrews, Lester (December 1993). "Reactions of beryllium atoms with hydrogen. Matrix infrared spectra of novel product molecules". Journal of the American Chemical Society 115 (25): 12111–12116. doi:10.1021/ja00078a057.
9. ↑ Tague Jr., Thomas J.; Andrews, Lester (June 1994). "Reactions of pulsed-laser evaporated boron atoms with hydrogen. Infrared spectra of boron hydride intermediate species in solid argon". Journal of the American Chemical Society 116 (11): 4970–4976. doi:10.1021/ja00090a048.
10. ↑ Wang, Xuefeng; Andrews, Lester (2 August 2007). "Sodium hydride clusters in solid hydrogen and neon: infrared spectra and theoretical calculations". The Journal of Physical Chemistry A 111 (30): 7098–7104. doi:10.1021/jp0727852. PMID 17602543. Bibcode: 2007JPCA..111.7098W.
11. ↑ Chertihin, George V.; Andrews, Lester (October 1993). "Reactions of pulsed-laser ablated aluminum atoms with hydrogen: Infrared spectra of aluminum hydride (AlH, AlH2, AlH3, and Al2H2) species". The Journal of Physical Chemistry 97 (40): 10295–10300. doi:10.1021/j100142a007.
12. ↑ 12.0 12.1 12.2 12.3 12.4 Wang, Xuefeng; Andrews, Lester (15 December 2011). "Tetrahydrometalate Species VH2(H2), NbH4, and TaH4: Matrix Infrared Spectra and Quantum Chemical Calculations". The Journal of Physical Chemistry A 115 (49): 14175–14183. doi:10.1021/jp2076148. Bibcode: 2011JPCA..11514175W.VH2(H2),+NbH4,+and+TaH4:+Matrix+Infrared+Spectra+and+Quantum+Chemical+Calculations&rft.jtitle=The+Journal+of+Physical+Chemistry+A&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews, Lester&rft.date=15+December+2011&rft.volume=115&rft.issue=49&rft.pages=14175–14183&rft_id=info:doi/10.1021/jp2076148&rft_id=info:bibcode/2011JPCA..11514175W&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
13. ↑ Wang, Xuefeng; Andrews, Lester (1 January 2003). "Chromium hydrides and dihydrogen complexes in solid neon, argon, and hydrogen: Matrix infrared spectra and quantum chemical calculations". The Journal of Physical Chemistry A 107 (4): 570–578. doi:10.1021/jp026930h. Bibcode: 2003JPCA..107..570W.
14. ↑ 14.0 14.1 Wang, Xuefeng; Andrews, Lester (30 April 2003). "Matrix infrared spectra and density functional theory calculations of manganese and rhenium hydrides". The Journal of Physical Chemistry A 107 (20): 4081–4091. doi:10.1021/jp034392i. Bibcode: 2003JPCA..107.4081W.
15. ↑ 15.0 15.1 Wang, Xuefeng; Andrews, Lester (18 December 2008). "Infrared Spectra and Theoretical Calculations for Fe, Ru, and Os Metal Hydrides and Dihydrogen Complexes". The Journal of Physical Chemistry A 113 (3): 551–563. doi:10.1021/jp806845h. PMID 19099441. Bibcode: 2009JPCA..113..551W.
16. ↑ Billups, W. E.; Chang, Sou-Chan; Hauge, Robert H.; Margrave, John L. (February 1995). "Low-Temperature Reactions of Atomic Cobalt with CH2N2, CH4, CH3D, CH2D2, CHD3, CD4, H2, D2, and HD". Journal of the American Chemical Society 117 (4): 1387–1392. doi:10.1021/ja00109a024.CH2N2,+CH4,+CH3D,+CH2D2,+CHD3,+CD4,+H2,+D2,+and+HD&rft.jtitle=Journal+of+the+American+Chemical+Society&rft.aulast=Billups&rft.aufirst=W.+E.&rft.au=Billups, W.+E.&rft.au=Chang, Sou-Chan&rft.au=Hauge, Robert+H.&rft.au=Margrave, John+L.&rft.date=February+1995&rft.volume=117&rft.issue=4&rft.pages=1387–1392&rft_id=info:doi/10.1021/ja00109a024&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
17. ↑ Li, S.; van Zee, R. J.; Weltner Jr., W.; Cory, M. G.; Zerner, M. C. (8 February 1997). "Magneto-Infrared Spectra of Matrix-Isolated NiH and NiH2 Molecules and Theoretical Calculations of the Lowest Electronic States of NiH2". The Journal of Chemical Physics 106 (6): 2055–2059. doi:10.1063/1.473342. Bibcode: 1997JChPh.106.2055L.NiH2+Molecules+and+Theoretical+Calculations+of+the+Lowest+Electronic+States+of+NiH2&rft.jtitle=The+Journal+of+Chemical+Physics&rft.aulast=Li&rft.aufirst=S.&rft.au=Li, S.&rft.au=van+Zee, R.+J.&rft.au=Weltner+Jr., W.&rft.au=Cory, M.+G.&rft.au=Zerner, M.+C.&rft.date=8+February+1997&rft.volume=106&rft.issue=6&rft.pages=2055–2059&rft_id=info:doi/10.1063/1.473342&rft_id=info:bibcode/1997JChPh.106.2055L&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
18. ↑ 18.0 18.1 18.2 Wang, Xuefeng; Andrews, Lester (13 September 2003). "Infrared spectra and DFT calculations for the coinage metal hydrides MH, {{Chem|(H|2|)MH}}, MH2, M2H, M2H−, and (H2)CuHCu in solid argon, neon, and hydrogen". The Journal of Physical Chemistry A 107 (41): 8492–8505. doi:10.1021/jp0354346. Bibcode: 2003JPCA..107.8492W.MH2,+M2H,+M2H−,+and+(H2)CuHCu+in+solid+argon,+neon,+and+hydrogen&rft.jtitle=The+Journal+of+Physical+Chemistry+A&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews,+Lester&rft.date=13+September+2003&rft.volume=107&rft.issue=41&rft.pages=8492–8505&rft_id=info:doi/10.1021/jp0354346&rft_id=info:bibcode/2003JPCA..107.8492W&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
19. ↑ 19.0 19.1 Greene, Tim M.; Brown, Wendy; Andrews, Lester; Downs, Anthony J.; Chertihin, George V.; Runeberg , Nino; Pyykko, Pekka (May 1995). "Matrix infrared spectroscopic and ab initio studies of ZnH2, CdH2, and related metal hydride species". The Journal of Physical Chemistry 99 (20): 7925–7934. doi:10.1021/j100020a014.
20. ↑ Wang, Xuefeng; Andrews, Lester (2 December 2003). "Infrared spectra of gallium hydrides in solid hydrogen: {{Chem|Ga|H|1,2,3}}, Ga2H2,4,6, and the GaH−2,4 anions". The Journal of Physical Chemistry A 107 (51): 11371–11379. doi:10.1021/jp035393d. Bibcode: 2003JPCA..10711371W.Ga2H2,4,6,+and+the+GaH−2,4+anions&rft.jtitle=The+Journal+of+Physical+Chemistry+A&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews,+Lester&rft.date=2+December+2003&rft.volume=107&rft.issue=51&rft.pages=11371–11379&rft_id=info:doi/10.1021/jp035393d&rft_id=info:bibcode/2003JPCA..10711371W&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
21. ↑ Wang, Xuefeng; Andrews, Lester (17 September 2005). "Matrix infrared spectra and density functional theory calculations of molybdenum hydrides". The Journal of Physical Chemistry A 109 (40): 9021–9027. doi:10.1021/jp053591u. PMID 16332007. Bibcode: 2005JPCA..109.9021W.
22. ↑ Wang, Xuefeng; Andrews, Lester (19 March 2002). "Infrared spectra of rhodium hydrides in solid argon, neon, and deuterium with supporting density functional calculations". The Journal of Physical Chemistry A 106 (15): 3706–3713. doi:10.1021/jp013624f. Bibcode: 2002JPCA..106.3706W.
23. ↑ Andrews, Lester; Wang, Xuefeng; Alikhani, Mohammad Esmaïl; Manceron, Laurent (6 March 2001). "Observed and calculated infrared spectra of {{Chem|Pd(H|2|)|1,2,3}} complexes and palladium hydrides in solid argon and neon". The Journal of Physical Chemistry A 15 (13): 3052–3063. doi:10.1021/jp003721t. Bibcode: 2001JPCA..105.3052A.
24. ↑ Wang, Xuefeng; Andrews, Lester (24 April 2004). "Infrared spectra of indium hydrides in solid hydrogen and neon". The Journal of Physical Chemistry A 108 (20): 4440–4448. doi:10.1021/jp037942l. Bibcode: 2004JPCA..108.4440W.
25. ↑ Wang, Xuefeng; Andrews, Lester (29 June 2002). "Neon Matrix Infrared Spectra and DFT Calculations of Tungsten Hydrides WHx (x = 1−4, 6)". The Journal of Physical Chemistry A 106 (29): 6720–6729. doi:10.1021/jp025920d. Bibcode: 2002JPCA..106.6720W.WH''x''+(''x''+=+1−4,+6)&rft.jtitle=The+Journal+of+Physical+Chemistry+A&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews,+Lester&rft.date=29+June+2002&rft.volume=106&rft.issue=29&rft.pages=6720–6729&rft_id=info:doi/10.1021/jp025920d&rft_id=info:bibcode/2002JPCA..106.6720W&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
26. ↑ Andrews, Lester; Wang, Xeufeng; Manceron, Laurent (22 January 2001). "Infrared Spectra and Density Functional Calculations of Platinum Hydrides". The Journal of Chemical Physics 114 (4): 1559. doi:10.1063/1.1333020. Bibcode: 2001JChPh.114.1559A.
27. ↑ Wang, Xuefeng; Andrews, Lester (2 October 2004). "Solid Mercury Dihydride: Mercurophilic Bonding in Molecular HgH2 Polymers". Inorganic Chemistry 43 (22): 7146–7150. doi:10.1021/ic049100m. PMID 15500353.HgH2+Polymers&rft.jtitle=Inorganic+Chemistry&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews,+Lester&rft.date=2+October+2004&rft.volume=43&rft.issue=22&rft.pages=7146–7150&rft_id=info:doi/10.1021/ic049100m&rft_id=info:pmid/15500353&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
28. ↑ Wang, Xuefeng; Andrews, Lester (19 March 2004). "Infrared Spectra of Thallium Hydrides in Solid Neon, Hydrogen, and Argon". The Journal of Physical Chemistry A 108 (16): 3396–3402. doi:10.1021/jp0498973. Bibcode: 2004JPCA..108.3396W.
29. ↑ Matsuoka, T.; Fujihisa, H.; Hirao, N.; Ohishi, Y.; Mitsui, T.; Masuda, R.; Seto, M.; Yoda, Y. et al. (5 July 2011). "Structural and valence changes of europium hydride induced by application of high-pressure H2". Physical Review Letters 107 (2): 025501. doi:10.1103/PhysRevLett.107.025501. PMID 21797616. Bibcode: 2011PhRvL.107b5501M.H2&rft.jtitle=Physical+Review+Letters&rft.aulast=Matsuoka&rft.aufirst=T.&rft.au=Matsuoka, T.&rft.au=Fujihisa, H.&rft.au=Hirao, N.&rft.au=Ohishi, Y.&rft.au=Mitsui, T.&rft.au=Masuda, R.&rft.au=Seto, M.&rft.au=Yoda, Y.&rft.au=Shimizu, K.&rft.date=5+July+2011&rft.volume=107&rft.issue=2&rft.pages=025501&rft_id=info:doi/10.1103/PhysRevLett.107.025501&rft_id=info:pmid/21797616&rft_id=info:bibcode/2011PhRvL.107b5501M&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
30. ↑ Wang, Xuefeng; Andrews, Lester; Gagliardi, Laura (28 February 2008). "Infrared Spectra of ThH2, ThH4, and the Hydride Bridging ThH4(H2)x (x = 1−4) Complexes in Solid Neon and Hydrogen". The Journal of Physical Chemistry A 112 (8): 1754–1761. doi:10.1021/jp710326k. PMID 18251527. Bibcode: 2008JPCA..112.1754W. http://archive-ouverte.unige.ch/unige:71.ThH2,+ThH4,+and+the+Hydride+Bridging+ThH4(H2)''x''+(''x''+=+1−4)+Complexes+in+Solid+Neon+and+Hydrogen&rft.jtitle=The+Journal+of+Physical+Chemistry+A&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews, Lester&rft.au=Gagliardi, Laura&rft.date=28+February+2008&rft.volume=112&rft.issue=8&rft.pages=1754–1761&rft_id=info:doi/10.1021/jp710326k&rft_id=info:pmid/18251527&rft_id=info:bibcode/2008JPCA..112.1754W&rft_id=http://archive-ouverte.unige.ch/unige:71&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
31. ↑ 31.0 31.1 Raab, Juraj; Lindh, Roland H.; Wang, Xuefeng; Andrews, Lester; Gagliardi, Laura (19 May 2007). "A Combined Experimental and Theoretical Study of Uranium Polyhydrides with New Evidence for the Large Complex UH4(H2)6". The Journal of Physical Chemistry A 111 (28): 6383–6387. doi:10.1021/jp0713007. PMID 17530832. Bibcode: 2007JPCA..111.6383R. http://archive-ouverte.unige.ch/unige:3194.UH4(H2)6&rft.jtitle=The+Journal+of+Physical+Chemistry+A&rft.aulast=Raab&rft.aufirst=Juraj&rft.au=Raab, Juraj&rft.au=Lindh, Roland+H.&rft.au=Wang, Xuefeng&rft.au=Andrews, Lester&rft.au=Gagliardi, Laura&rft.date=19+May+2007&rft.volume=111&rft.issue=28&rft.pages=6383–6387&rft_id=info:doi/10.1021/jp0713007&rft_id=info:pmid/17530832&rft_id=info:bibcode/2007JPCA..111.6383R&rft_id=http://archive-ouverte.unige.ch/unige:3194&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
32. ↑ Wang, Xuefeng; Lester Andrews (2004). "Infrared Spectra of Magnesium Hydride Molecules, Complexes, and Solid Magnesium Dihydride". The Journal of Physical Chemistry A 108 (52): 11511–11520. doi:10.1021/jp046410h. ISSN 1089-5639. Bibcode: 2004JPCA..10811511W.
33. ↑ 33.0 33.1 33.2 Wang, Xuefeng; Andrews, Lester (December 2004). "Metal Dihydride (MH 2 ) and Dimer (M H2 ) Structures in Solid Argon, Neon, and Hydrogen (M = Ca, Sr, and Ba): Infrared Spectra and Theoretical Calculations". The Journal of Physical Chemistry A 108 (52): 11500–11510. doi:10.1021/jp046046m. Bibcode: 2004JPCA..10811500W.
34. ↑ Zhao, Yufeng; Kim, Yong-Hyun; Dillon, Anne C.; Heben, Michael J.; Zhang, Shengbai (4 August 2014). "Towards High wt%, Room Temperature Reversible, Carbon-Based Hydrogen Adsorbents". https://www.researchgate.net/publication/260320124. Scandium has many empty orbitals to accommodate dihydrogen
35. ↑ Zhao, Yufeng; Kim, Yong-Hyun; Dillon, A. C.; Heben, M. J.; Zhang, S. B. (22 April 2005). "Hydrogen Storage in Novel Organometallic Buckyballs". Physical Review Letters 94 (15): 155504. doi:10.1103/PhysRevLett.94.155504. PMID 15904160. Bibcode: 2005PhRvL..94o5504Z.
36. ↑ Ma, Buyong; Collins, Charlene L.; Schaefer, Henry F. (January 1996). "Periodic Trends for Transition Metal Dihydrides MH , Dihydride Dihydrogen Complexes MH 2 ·H2 , and Tetrahydrides MH4 (M = Ti, V, and Cr)". Journal of the American Chemical Society 118 (4): 870–879. doi:10.1021/ja951376t.
37. ↑ Wang, Xuefeng; Andrews, Lester (January 2003). "Chromium Hydrides and Dihydrogen Complexes in Solid Neon, Argon, and Hydrogen: Matrix Infrared Spectra and Quantum Chemical Calculations". The Journal of Physical Chemistry A 107 (4): 570–578. doi:10.1021/jp026930h. Bibcode: 2003JPCA..107..570W.
38. ↑ Wang, Xuefeng; Andrews, Lester (18 December 2008). "Infrared spectra and theoretical calculations for Fe, Ru, and Os metal hydrides and dihydrogen complexes". The Journal of Physical Chemistry A 113 (3): 551–563. doi:10.1021/jp806845h. PMID 19099441. Bibcode: 2009JPCA..113..551W.
39. ↑ Gao, Guoying; Hoffmann, Roald; Ashcroft, N. W.; Liu, Hanyu; Bergara, Aitor; Ma, Yanming (12 November 2013). "Theoretical study of the ground-state structures and properties of niobium hydrides under pressure". Physical Review B 88 (18): 184104. doi:10.1103/PhysRevB.88.184104. Bibcode: 2013PhRvB..88r4104G. https://digital.csic.es/bitstream/10261/102456/1/Theoretical study of the ground-state.pdf.
40. ↑ Wang, Xuefeng; Andrews, Lester (13 August 2008). "Infrared spectrum of the RuH2(H2)4 complex in solid hydrogen". Organometallics 27 (17): 4273–4276. doi:10.1021/om800507u.RuH2(H2)4+complex+in+solid+hydrogen&rft.jtitle=Organometallics&rft.aulast=Wang&rft.aufirst=Xuefeng&rft.au=Wang, Xuefeng&rft.au=Andrews, Lester&rft.date=13+August+2008&rft.volume=27&rft.issue=17&rft.pages=4273–4276&rft_id=info:doi/10.1021/om800507u&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
41. ↑ Wang, Xuefeng; Andrews, Lester (May 2004). "Infrared Spectra of Indium Hydrides in Solid Hydrogen and Neon". The Journal of Physical Chemistry A 108 (20): 4440–4448. doi:10.1021/jp037942l. Bibcode: 2004JPCA..108.4440W.
42. ↑ Wang, Xuefeng; Andrews, Lester; Infante, Ivan; Gagliardi, Laura (February 2008). "Infrared Spectra of the WH4(H2) 4 Complex in Solid Hydrogen". Journal of the American Chemical Society 130 (6): 1972–1978. doi:10.1021/ja077322o. PMID 18211070. http://archive-ouverte.unige.ch/unige:69.
43. ↑ Wang, Xuefeng; Andrews, Lester; Gagliardi, Laura (February 2008). "Infrared Spectra of ThH2, ThH4, and the Hydride Bridging ThH4(H2) x(x= 1−4) Complexes in Solid Neon and Hydrogen". The Journal of Physical Chemistry A 112 (8): 1754–1761. doi:10.1021/jp710326k. PMID 18251527. Bibcode: 2008JPCA..112.1754W. http://archive-ouverte.unige.ch/unige:71.
44. ↑ Songster, J.; Pélton, A. D. (1 June 1993). "The H-Li (Hydrogen-Lithium) System". Journal of Phase Equilibria 14 (3): 373–381. doi:10.1007/BF02668238.
45. ↑ San-Martin, A.; Manchester, F. D. (1 June 1990). "The H-Na (Hydrogen-Sodium) System". Bulletin of Alloy Phase Diagrams 11 (3): 287–294. doi:10.1007/BF03029300.
46. ↑ San-Martin, A.; Manchester, F. D. (1 October 1987). "The H−Mg (Hydrogen-Magnesium) System". Journal of Phase Equilibria 8 (5): 431–437. doi:10.1007/BF02893152.
47. ↑ Qiu, Caian; Olson, Gregory B.; Opalka, Susanne M.; Anton, Donald L. (1 November 2004). "Thermodynamic evaluation of the Al-H system". Journal of Phase Equilibria and Diffusion 25 (6): 520–527. doi:10.1007/s11669-004-0065-1. ISSN 1863-7345.
48. ↑ Sangster, J.; Pelton, A. D. (1 August 1997). "The H-K (Hydrogen-Potassium) System". Journal of Phase Equilibria 18 (4): 387–389. doi:10.1007/s11669-997-0066-y.
49. ↑ Predel, B. (1993). "Ca-H (Calcium-Hydrogen)". in Madelung, O.. Ca-Cd – Co-Zr. Landolt-Börnstein - Group IV Physical Chemistry. Springer Berlin Heidelberg. pp. 1–3. doi:10.1007/10086082_696. ISBN 978-3-540-47411-1.
50. ↑ Manchester, F. D.; Pitre, J. M. (1 April 1997). "The H-Sc (Hydrogen-Scandium) System". Journal of Phase Equilibria 18 (2): 194–205. doi:10.1007/BF02665706.
51. ↑ San-Martin, A.; Manchester, F. D. (1 February 1987). "The H−Ti (Hydrogen-Titanium) System". Bulletin of Alloy Phase Diagrams 8 (1): 30–42. doi:10.1007/BF02868888.
52. ↑ Predel, B. (1996). "H-V (Hydrogen-Vanadium)". in Madelung, O.. Ga-Gd – Hf-Zr. Landolt-Börnstein - Group IV Physical Chemistry. Springer Berlin Heidelberg. pp. 1–5. doi:10.1007/10501684_1565. ISBN 978-3-540-44996-6.
53. ↑ San-Martin, A.; Manchester, F. D. (1 June 1995). "The H-Mn (Hydrogen-Manganese) System". Journal of Phase Equilibria 16 (3): 255–262. doi:10.1007/BF02667311.
54. ↑ San-Martin, A.; Manchester, F. D. (1 April 1990). "The Fe-H (Iron-Hydrogen) System". Bulletin of Alloy Phase Diagrams 11 (2): 173–184. doi:10.1007/BF02841704.
55. ↑ Wayman, M. L.; Weatherly, G. C. (1 October 1989). "The H−Ni (Hydrogen-Nickel) System". Bulletin of Alloy Phase Diagrams 10 (5): 569–580. doi:10.1007/BF02882416.
56. ↑ Predel, B. (1994). "Cu-H (Copper-Hydrogen)". in Madelung, O.. Cr-Cs – Cu-Zr. Springer Berlin Heidelberg. pp. 1–3. ISBN 978-3-540-47417-3.
57. ↑ San-Martin, A.; Manchester, F. D. (1 December 1989). "The H-Zn (Hydrogen-Zinc) System". Bulletin of Alloy Phase Diagrams 10 (6): 664–666. doi:10.1007/BF02877640.
58. ↑ Sangster, J.; Pelton, A. D. (1 February 1994). "The H-Rb (Hydrogen-Rubidium) System". Journal of Phase Equilibria 15 (1): 87–89. doi:10.1007/BF02667687.
59. ↑ Khatamian, D.; Manchester, F. D. (1 June 1988). "The H−Y (Hydrogen-Yttrium) System". Bulletin of Alloy Phase Diagrams 9 (3): 252–260. doi:10.1007/BF02881276.
60. ↑ Zuzek, E.; Abriata, J. P.; San-Martin, A.; Manchester, F. D. (1 August 1990). "The H-Zr (Hydrogen-Zirconium) System". Bulletin of Alloy Phase Diagrams 11 (4): 385–395. doi:10.1007/BF02843318.
61. ↑ Okamoto, H. (1 April 2013). "H-Nb (Hydrogen-Niobium)". Journal of Phase Equilibria and Diffusion 34 (2): 163–164. doi:10.1007/s11669-012-0165-2.
62. ↑ 62.0 62.1 Materials Science International Team (2006). "Au-H-Pd (Gold - Hydrogen - Palladium)". in Effenberg, G.; Ilyenko, S.. Noble Metal Systems. Selected Systems from Ag-Al-Zn to Rh-Ru-Sc. Landolt-Börnstein - Group IV Physical Chemistry. 11B. Berlin: Springer Berlin Heidelberg. pp. 1–8. doi:10.1007/10916070_26. ISBN 978-3-540-46994-0.
63. ↑ Subramanian, P.R (1 December 1991). "The Ag-H (Silver-Hydrogen) System". Journal of Phase Equilibria 12 (6): 649–651. doi:10.1007/BF02645164.
64. ↑ Songster, J.; Pelton, A. D. (1 February 1994). "The H-Cs (Hydrogen-Cesium) System". Journal of Phase Equilibria 15 (1): 84–86. doi:10.1007/BF02667686.
65. ↑ San-Martin, A.; Manchester, F. D. (1 June 1991). "The H-Ta (Hydrogen-Tantalum) System". Journal of Phase Equilibria 12 (3): 332–343. doi:10.1007/BF02649922.
66. ↑ Guminski, C. (1 October 2002). "The H-Hg (Hydrogen-Mercury) System". Journal of Phase Equilibria 23 (5): 448–450. doi:10.1361/105497102770331460.
67. ↑ Khatamian, D.; Manchester, F. D. (1 February 1990). "The H-La (Hydrogen-Lanthanum) System". Bulletin of Alloy Phase Diagrams 11 (1): 90–99. doi:10.1007/BF02841589.
68. ↑ Manchester, F. D.; Pitre, J. M. (1 February 1997). "The Ce-H (Cerium-Hydrogen) system". Journal of Phase Equilibria 18 (1): 63–77. doi:10.1007/BF02646759.
69. ↑ Zinkevich, M.; Mattern, N.; Handstein, A.; Gutfleisch, O. (13 June 2002). "Thermodynamics of Fe–Sm, Fe–H, and H–Sm Systems and its Application to the Hydrogen–Disproportionation–Desorption–Recombination (HDDR) Process for the System Fe17Sm2–H2". Journal of Alloys and Compounds 339 (1–2): 118–139. doi:10.1016/S0925-8388(01)01990-9.Fe17Sm2–H2&rft.jtitle=Journal+of+Alloys+and+Compounds&rft.aulast=Zinkevich&rft.aufirst=M.&rft.au=Zinkevich, M.&rft.au=Mattern, N.&rft.au=Handstein, A.&rft.au=Gutfleisch, O.&rft.date=13+June+2002&rft.volume=339&rft.issue=1–2&rft.pages=118–139&rft_id=info:doi/10.1016/S0925-8388(01)01990-9&rfr_id=info:sid/en.wikibooks.org:Chemistry:Binary_compounds_of_hydrogen">
70. ↑ Manchester, F. D.; San-Martin, A. (1 June 1995). "The H-U (Hydrogen-Uranium) System". Journal of Phase Equilibria 16 (3): 263–275. doi:10.1007/BF02667312.

* v
* t
* e

Binary compounds of hydrogen

Alkali metal (Group 1) hydrides|

* LiH
* NaH
* KH
* RbH
* CsH

Lithium hydride, LiH
ionic metal hydride

Beryllium hydride
Left (gas phase): BeH2
covalent metal hydride
Right: (BeH2)n (solid phase)
polymeric metal hydride

Borane and diborane
Left: BH3 (special conditions), covalent metalloid hydride
Right: B2H6 (standard conditions), dimeric metalloid hydride

Methane, CH4
covalent nonmetal hydride

Ammonia, NH3
covalent nonmetal hydride

Water, H2O
covalent nonmetal hydride

Hydrogen fluoride, HF
covalent nonmetal hydride

Alkaline (Group 2) earth hydrides|

| Monohydrides|

* BeH
* MgH
* CaH
* SrH
* BaH

|

Dihydrides|

* BeH2
* MgH2
* CaH2
* SrH2
* BaH2

|

Group 13 hydrides|

| Boranes|

* BH3
* B2H6
* B2H2
* B2H4
* B4H10
* B5H9
* B5H11
* B6H10
* B6H12
* B10H14
* B18H22

|

Alanes|

* AlH3
* Al2H6

|

Gallanes|

* GaH3
* Ga2H6

|

Indiganes|

* InH3
* In2H6

|

Thallanes|

* TlH3
* Tl2H6

|

Group 14 hydrides|

| Linear alkanes|

* CH4
* C2H6
* C3H8
* C4H10
* C5H12
* C6H14
* C7H16
* C8H18
* C9H20
* C10H22
* more...

|

Linear alkenes|

* C2H4
* C3H6
* C4H8
* C5H10
* C6H12
* C7H14
* C8H16
* C9H18
* C10H20
* more...

|

Linear alkynes|

* C2H2
* C3H4
* C4H6
* C5H8
* C6H10
* C7H12
* C8H14
* C9H16
* C10H18
* more...

|

Silanes|

* SiH4
* Si2H6
* Si3H8
* Si4H10
* Si5H12
* Si6H14
* Si7H16
* Si8H18
* Si9H20
* Si10H22
* more...

|

Silenes|

* Si2H4

|

Silynes|

* Si2H2
* SiH

|

Germanes|

* GeH4
* Ge2H6
* Ge3H8
* Ge4H10
* Ge5H12

|

Stannanes|

* SnH4
* Sn2H6

|

Plumbanes|

* PbH4

|

* CH
* CH2
* CH3
* C2H
* Cycloalkanes
* Cycloalkenes
* Annulenes
* Many more

Pnictogen (Group 15) hydrides|

| Azanes|

* NH3
* N2H4
* N3H5
* N4H6
* N5H7
* N6H8
* N7H9
* N8H10
* N9H11
* N10H12
* more...

|

Azenes|

* N2H2
* N3H3
* N4H4

|

Phosphanes|

* PH3
* P2H4
* P3H5
* P4H6
* P5H7
* P6H8
* P7H9
* P8H10
* P9H11
* P10H12
* more...

|

Phosphenes|

* P2H2
* P3H3
* P4H4

|

Arsanes|

* AsH3
* As2H4

|

Stibanes|

* SbH3

|

Bismuthanes|

* BiH3

|

* HN3
* NH
* radical

Hydrogen chalcogenides (Group 16 hydrides)|

| Polyoxidanes|

* H2O
* H2O2
* H2O3
* H2O4
* H2O5
* H2O6
* H2O7
* H2O8
* H2O9
* H2O10
* more...

|

Polysulfanes|

* H2S
* H2S2
* H2S3
* H2S4
* H2S5
* H2S6
* H2S7
* H2S8
* H2S9
* H2S10
* more...

|

Selanes|

* H2Se
* H2Se2

|

Tellanes|

* H2Te
* H2Te2

|

Polanes|

* PoH2

|

* HO
* HO2
* HO3
* H2O+–O–
* H2S=S
* (HS)2S+–S–
* HS
* HDO
* D2O
* T2O

Hydrogen halides (Group 17 hydrides)|

* HF
* HCl
* HBr
* HI
* HAt

Transition metal hydrides|

* ScH2
* YH2
* YH3
* TiH2
* ZrH2
* HfH2
* VH
* VH2
* NbH
* NbH2
* TaH
* CrH
* CrH2
* CrHx
* NiH
* PdHx (x < 1)
* FeH
* FeH2
* FeH5
* CuH
* ZnH2
* CdH2
* HgH2

Lanthanide hydrides|

* LaH2
* LaH3
* LaH10
* CeH2
* CeH3
* PrH2
* PrH3
* NdH2
* NdH3
* SmH2
* SmH3
* EuH2
* GdH2
* GdH3
* TbH2
* TbH3
* DyH2
* DyH3
* HoH2
* HoH3
* ErH2
* ErH3
* TmH2
* TmH3
* YbH2
* YbH2.5
* LuH2
* LuH3

Actinide hydrides|

* AcH2
* ThH2
* Th4H15
* PaH3
* UH3
* NpH2
* NpH3
* PuH2
* PuH3
* AmH2
* AmH3
* CmH2

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