Ruthenium hexafluoride

Ruthenium hexafluoride  |  |

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Names
IUPAC name

ruthenium(VI) fluoride

Other names

ruthenium(6+) hexafluoride

Identifiers

CAS Number

* 13693-08-8 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 57450716

PubChem CID

* 21528530

InChI

* InChI=1/6FH.2Ru/h6*1H;;/q;;;;;;+6/p-6

Key: NHWBVRAPBLSUQQ-UHFFFAOYSA-H

SMILES

* F[Ru](F)(F)(F)(F)F

Properties

Chemical formula

| RuF6
Molar mass | 215.07 g/mol
Appearance  | dark brown crystalline solid[1]
Density | 3.54 g/cm3
Melting point |  54 °C (129 °F; 327 K)[1]
Boiling point | 200 °C (392 °F, 473.15 K) (decomposes) [2]

Solubility in water

| reacts

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Ruthenium hexafluoride, also ruthenium(VI) fluoride (RuF6), is a compound of ruthenium and fluorine and one of the seventeen known binary hexafluorides.

## Contents

* 1 History and synthesis
* 2 Description
* 3 References
* 4 Further reading
* 5 External links

## History and synthesis

Ruthenium hexafluoride was discovered by American radiochemists in 1961, soon after the discovery of technetium hexafluoride.[3] It is made by a direct reaction of ruthenium metal in a gas stream of fluorine and argon at 400–450 °C. The yields of this reaction are less than 10%.[4]

Ru \+ 3 F2 → RuF6

## Description

Ruthenium hexafluoride is a dark brown crystalline solid that melts at 54 °C.[1] The solid structure measured at −140 °C is orthorhombic space group Pnma. Lattice parameters are a = 9.313 Å, b = 8.484 Å, and c = 4.910 Å. There are four formula units (in this case, discrete molecules) per unit cell, giving a density of 3.68 g·cm−3.[4]

The RuF6 molecule itself (the form important for the liquid or gas phase) has octahedral molecular geometry, which has point group (Oh). The Ru–F bond length is 1.818 Å.[4]

## References

1. ↑ 1.0 1.1 1.2 CRC Handbook of Chemistry and Physics, 90th Edition, CRC Press, Boca Raton, Florida, 2009, ISBN 978-1-4200-9084-0, Section 4, Physical Constants of Inorganic Compounds, p. 4-85.
2. ↑ Haynes, William M (2014-06-04). CRC Handbook of Chemistry and Physics, 95th Edition. CRC Press. ISBN 9781482208689. https://books.google.com/books?id=bNDMBQAAQBAJ.
3. ↑ Claassen, Howard H.; Selig, Henry; Malm, John G.; Chernick, Cedric L.; Weinstock, Bernard (1961). "RUTHENIUM HEXAFLUORIDE1". Journal of the American Chemical Society 83 (10): 2390–2391. doi:10.1021/ja01471a039. ISSN 0002-7863. Bibcode: 1961JAChS..83.2390C. https://pubs.acs.org/doi/10.1021/ja01471a039.
4. ↑ 4.0 4.1 4.2 Drews, T.; Supeł, J.; Hagenbach, A.; Seppelt, K. (2006). "Solid State Molecular Structures of Transition Metal Hexafluorides". Inorganic Chemistry 45 (9): 3782–3788. doi:10.1021/ic052029f. PMID 16634614.

## Further reading

* Gmelins Handbuch der anorganischen Chemie, System Nr. 63, Ruthenium, Supplement, pp. 266–268.

## External links

* Ruthenium hexafluoride at webelements.com.

* v
* t
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Binary hexafluorides

Known binary hexafluorides|

| Chalcogen binary hexafluorides|

* SF6
* SeF6
* TeF6
* PoF6

|

Noble gas binary hexafluorides|

* XeF6

Transition metal binary hexafluorides|

* MoF6
* TcF6
* RuF6
* RhF6
* WF6
* ReF6
* OsF6
* IrF6
* PtF6

Actinide binary hexafluorides|

* UF6
* NpF6
* PuF6

Predicted binary hexafluorides|

| Noble gas binary hexafluorides|

* KrF6
* RnF6

|

Transition metal binary hexafluorides|

* CrF6
* PdF6

Actinide binary hexafluorides|

* AmF6

* v
* t
* e

Ruthenium compounds

Ru(0)|

* Ru3(CO)12
* Ru(P(C6H5)3)3(CO)2

Ru(I)|

* (C5(C6H5)4O)2H(Ru(CO)2)2H

Ru(II)|

* RuB2
* Na4Ru(N2C12H6(C6H4SO3)2)3
* (Ru((NC5H4)2)3)Cl2
* Ru(P(C6H5)3)3Cl2
* Ru(SO(CH3)2)4Cl2
* (RuCl2C6H4CH3CH(CH3)2)2
* RuClC5H5(P(C6H5)3)2
* C43H72Cl2P2Ru
* (C5H5)2Ru

Ru(III)|

* RuCl3

Ru(IV)|

* RuO2
* Sr2RuO4

Ru(V)|

* RuF5

Ru(VI)|

* RuF6

Ru(VII)|

* N(C3H7)4RuO4

Ru(VIII)|

* RuO4

* v
* t
* e

Salts and covalent derivatives of the fluoride ion

HF |  |  |  | He

|
|
|
|

LiF | BeF2 | BF
BF3
B2F4 | CF4
other compounds | NF3
FN3
N2F2
N2F4
NF5§  | F2O
F2O2
other compounds | F2 | Ne
NaF | MgF2 | AlF
AlF3 | SiF4 | P2F4
PF3
PF5 | S2F2
SF2
SF4
SF6 | ClF
ClF3
ClF5 | Ar
KF | CaF
CaF2 | ScF3 | TiF2
TiF3
TiF4 | VF2
VF3
VF4
VF5 | CrF2
CrF3
CrF4
CrF5
CrF6§  | MnF2 | FeF2
FeF3 | CoF2
CoF3 | NiF2 | CuF
CuF2 | ZnF2 | GaF2
GaF3 | GeF2
GeF4 | AsF3
AsF5 | Se2F2
SeF4
SeF6 | BrF
BrF3
BrF5 | KrF2
RbF | SrF
SrF2 | YF3 | ZrF3
ZrF4 | NbF4
NbF5 | MoF2
MoF3
MoF4
MoF5
MoF6 | TcF4
TcF6 | RuF3
RuF5
RuF6 | RhF3
RhF5
RhF6 | PdF2 | AgF | CdF2 | InF
InF2
InF3 | SnF2
SnF4 | SbF3
SbF5 | Te3F2
TeF4
TeF6 | IF
IF3</br>IF5</br>IF7 | XeF2
XeF4
XeF6
CsF | BaF2 |  | HfF4 | TaF5 | WF2
WF3
WF4
WF5
WF6 | Re3F9
ReF4
ReF5
ReF6
ReF7 | OsF4
OsF5
OsF6 | IrF2
IrF3
IrF4
IrF5
IrF6 | PtF2
PtF4
PtF5
PtF6 | AuF
AuF3
Au2F10
AuF5•F2 | Hg2F2
HgF2
HgF4 | TlF | PbF2
PbF4 | BiF3
BiF5 | PoF2
PoF4
PoF6 | AtF  | RnF2
FrF | RaF2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
LaF3 | CeF3
CeF4 | PrF3 | NdF2,
NdF3 | PmF3 | SmF2,
SmF3 | EuF2,
EuF3 | GdF3 | TbF3 | DyF2,
DyF3 | HoF3 | ErF3 | TmF2
TmF3 | YbF2
YbF3 | LuF3
AcF3 | ThF4 | PaF5 | UF3
UF4
UF5
UF6 | NpF4
NpF6 | PuF3
PuF6 | AmF2
AmF3 | CmF3 | BkF3 | CfF3 | EsF3 | Fm  | Md  | No  | LrF3

§ means the substance has not been made.

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