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Terbium(IV) oxide
Names
IUPAC name Terbium(IV) oxide
Other names Terbium dioxide
Identifiers
CAS Number	12036-15-6
3D model (JSmol)	Interactive image
PubChem CID	19784835
InChI InChI=1S/2O.Tb/q2*-2;+4 Key: PNHKKMHUOWDSEA-UHFFFAOYSA-N
SMILES [O-2].[O-2].[Tb+4]
Properties
Chemical formula	TbO₂
Molar mass	190.925
Appearance	dark red solid^[1]^{[better source needed]}
Related compounds
Related compounds	Terbium(III) oxide Terbium(III,IV) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Terbium(IV) oxide is an inorganic compound with a chemical formula TbO₂. It can be produced by oxidizing terbium(III) oxide by oxygen gas at 1000 atm and 300 °C.^[2]

Decomposition

Terbium(IV) oxide starts to decompose at 340 °C, producing Tb₅O₈ and oxygen.^[1]

5 TbO₂ → Tb₅O₈ + O₂

References

↑ ^1.0 ^1.1 无机化学丛书.第七卷钪稀土元素. 科学出版社. 1.3.4 氧化态+4的化合物. P_193~195
↑ Adachi, Gin-ya; Imanaka, Nobuhito (1998). "The Binary Rare Earth Oxides" (in en). Chemical Reviews 98 (4): 1479–1514. doi:10.1021/cr940055h. ISSN 0009-2665. PMID 11848940.

v t e Oxides
Mixed oxidation states	Antimony tetroxide (Sb₂O₄) Cobalt(II,III) oxide (Co₃O₄) Europium(II,III) oxide (Eu₃O₄) Iron(II,III) oxide (Fe<sub>3O₄) Lead(II,IV) oxide (Pb₃O₄) Manganese(II,III) oxide (Mn₃O₄) Silver(I,III) oxide (Ag₂O₂) Triuranium octoxide (U₃O₈) Carbon suboxide (C₃O₂) Mellitic anhydride (C₁₂O₉) [[Chemistry:Praseodymium(III,IV) Praseodymium(III,IV) oxide]] (Pr₆O₁₁) Terbium(III,IV) oxide (Tb₄O₇)
+1 oxidation state	Copper(I) oxide (Cu<sub>2O) Caesium oxide (Cs₂O) Dicarbon monoxide (C₂O) Dichlorine monoxide (Cl₂O) Gallium(I) oxide (Ga₂O) Lithium oxide (Li₂O) Potassium oxide (K₂O) Rubidium oxide (Rb₂O) Silver oxide (Ag₂O) Thallium(I) oxide (Tl₂O) Sodium oxide (Na₂O) Water (hydrogen oxide) (H₂O)
+2 oxidation state	Aluminium(II) oxide (AlO) Barium oxide (BaO) Beryllium oxide (BeO) Cadmium oxide (CdO) Calcium oxide (CaO) Carbon monoxide (CO) Chromium(II) oxide (CrO) Cobalt(II) oxide (CoO) Copper(II) oxide (CuO) Europium(II) oxide (EuO) Germanium monoxide (GeO)) Iron(II) oxide (FeO) Lead(II) oxide (PbO) Magnesium oxide (MgO) Manganese(II) oxide (MnO) Mercury(II) oxide (HgO) Nickel(II) oxide (NiO) Nitric oxide (NO) Palladium(II) oxide (PdO) Silicon monoxide (SiO) Strontium oxide (SrO) Sulfur monoxide (SO) Disulfur dioxide (S₂O₂) Thorium monoxide (ThO) Tin(II) oxide (SnO) Titanium(II) oxide (TiO) Vanadium(II) oxide (VO) Zinc oxide (ZnO)
+3 oxidation state	Aluminium oxide (Al<sub>2O₃) Antimony trioxide (Sb₂O₃) Arsenic trioxide (As₂O₃) Bismuth(III) oxide (Bi₂O₃) Boron trioxide (B₂O₃) Cerium(III) oxide (Ce₂O₃) Dibromine trioxide (Br₂O₃) Chromium(III) oxide (Cr₂O₃) Dinitrogen trioxide (N₂O₃) Dysprosium(III) oxide (Dy₂O₃) Erbium(III) oxide (Er₂O₃) Europium(III) oxide (Eu₂O₃) Gadolinium(III) oxide (Gd₂O₃) Gallium(III) oxide (Ga₂O₃) Holmium(III) oxide (Ho₂O₃) Indium(III) oxide (In<sub>2O₃) Iron(III) oxide (Fe₂O₃) Lanthanum oxide (La₂O₃) Lutetium(III) oxide (Lu₂O₃) Manganese(III) oxide (Mn₂O₃) Neodymium(III) oxide (Nd₂O₃) Nickel(III) oxide (Ni₂O₃) Phosphorus trioxide (P₄O₆) Praseodymium(III) oxide (Pr₂O₃) Promethium(III) oxide (Pm₂O₃) Rhodium(III) oxide (Rh₂O₃) [[Chemistry:Samarium(III) Samarium(III) oxide]] (Sm₂O₃) Scandium oxide (Sc₂O₃) Terbium(III) oxide (Tb₂O₃) Thallium(III) oxide (Tl₂O₃) Thulium(III) oxide (Tm₂O₃) Titanium(III) oxide (Ti₂O₃) Tungsten(III) oxide (W₂O₃) Vanadium(III) oxide (V₂O₃) Ytterbium(III) oxide (Yb₂O₃) Yttrium(III) oxide (Y₂O₃)
+4 oxidation state	Americium dioxide (AmO₂) Carbon dioxide (CO₂) Carbon trioxide (CO₃) Cerium(IV) oxide (CeO₂) Chlorine dioxide (ClO₂) Chromium(IV) oxide (CrO<sub>2) Dinitrogen tetroxide (N₂O₄) Germanium dioxide (GeO<sub>2) [[Chemistry:Hafnium(IV) Hafnium(IV) oxide]] (HfO₂) Lead dioxide (PbO₂) Manganese dioxide (MnO₂) Neptunium(IV) oxide (NpO₂) Nitrogen dioxide (NO₂) Osmium dioxide (OsO₂) Plutonium(IV) oxide (PuO₂) Praseodymium(IV) oxide (PrO₂) Protactinium(IV) oxide (PaO₂) Rhodium(IV) oxide (RhO₂) Ruthenium(IV) oxide (RuO<sub>2) Selenium dioxide (SeO₂) Silicon dioxide (SiO₂) Sulfur dioxide (SO₂) Tellurium dioxide (TeO<sub>2) [[Chemistry:Terbium(IV) Terbium(IV) oxide]] (TbO₂) Thorium dioxide (ThO₂) Tin dioxide (SnO₂) Titanium dioxide (TiO<sub>2) Tungsten(IV) oxide (WO₂) Uranium dioxide (UO₂) Vanadium(IV) oxide (VO₂) Zirconium dioxide (ZrO₂)
+5 oxidation state	Antimony pentoxide (Sb₂O₅) Arsenic pentoxide (As₂O₅) Dinitrogen pentoxide (N₂O₅) Niobium pentoxide (Nb₂O₅) Phosphorus pentoxide (P₂O₅) Protactinium(V) oxide (Pa₂O₅) Tantalum pentoxide (Ta₂O₅) Vanadium(V) oxide (V₂O₅)
+6 oxidation state	Chromium trioxide (CrO₃) Molybdenum trioxide (MoO₃) Rhenium trioxide (ReO₃) Selenium trioxide (SeO₃) Sulfur trioxide (SO₃) Tellurium trioxide (TeO₃) Tungsten trioxide (WO₃) Uranium trioxide (UO₃) Xenon trioxide (XeO₃) Iridium trioxide (IrO₃)
+7 oxidation state	Dichlorine heptoxide (Cl₂O₇) Manganese heptoxide (Mn₂O₇) [[Chemistry:Rhenium(VII) Rhenium(VII) oxide]] (Re₂O₇) Technetium(VII) oxide (Tc₂O₇)
+8 oxidation state	Osmium tetroxide (OsO₄) Ruthenium tetroxide (RuO₄) Xenon tetroxide (XeO₄) Iridium tetroxide (IrO₄) Hassium tetroxide (HsO₄)
Related	Oxocarbon Suboxide Oxyanion Ozonide Peroxide Superoxide
Oxides are sorted by oxidation state. Category:Oxides

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Original source: https://en.wikipedia.org/wiki/Terbium(IV) oxide. Read more

Terbium(Iv) Oxide

Decomposition

References

See also

v t e Terbium compounds
Terbium(III)	TbBr₃ TbCl₃ TbF₃ TbI₃ Tb(NO₃)₃ Tb₂O₃
Terbium(III,IV)	Tb₄O₇
Terbium(IV)	TbSi₂ TbO₂ TbF₄