Platinum hexafluoride

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Names
IUPAC name

Platinum(VI) fluoride

Other names

Platinum hexafluoride

Identifiers

CAS Number

* 13693-05-5 N

3D model (JSmol)

* Interactive image

ChemSpider |

* 2283064 N

EC Number |

* 237-214-0

PubChem CID

* 22238670

UNII |

* F5G8EJV5MR Y

InChI

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

Key: NHVLQWBIZQMDAU-UHFFFAOYSA-H Y

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

* Key: NHVLQWBIZQMDAU-UHFFFAOYSA-H

SMILES

* F[Pt](F)(F)(F)(F)F

Properties

Chemical formula

| PtF6
Molar mass | 309.07 g/mol
Appearance  | dark-red crystals
Density | 3.83 g/cm3
Melting point |  61.3 °C (142.3 °F; 334.4 K)
Boiling point |  69.14 °C (156.45 °F; 342.29 K)

Solubility in water

| Reacts with water
Structure

Crystal structure

| Orthorhombic, oP28

Space group

| Pnma, No. 62

Coordination geometry

| octahedral (Oh)

Dipole moment

| 0
Hazards
Main hazards | Strong oxidizer
NFPA 704 (fire diamond)  |

Related compounds

Related compounds

| Platinum(IV) fluoride
Platinum(V) fluoride

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

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Infobox references

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* SizeSet

Platinum hexafluoride is the chemical compound with the formula PtF6, and is one of seventeen known binary hexafluorides. It is a dark-red volatile solid that forms a red gas. The compound is a unique example of platinum in the +6 oxidation state. With only four d-electrons, it is paramagnetic with a triplet ground state. PtF6 is a strong fluorinating agent and one of the strongest oxidants, capable of oxidising xenon and O2. PtF6 is octahedral in both the solid state and in the gaseous state. The Pt-F bond lengths are 185 picometers.[1]

## Contents

* 1 Synthesis
* 2 Hexafluoroplatinates
* 3 See also
* 4 References
* 5 General reading

## Synthesis

PtF6 was first prepared by reaction of fluorine with platinum metal.[2] This route remains the method of choice.[1]

Pt + 3 F2 → PtF6

PtF6 can also be prepared by disproportionation of the pentafluoride (PtF5), with the tetrafluoride (PtF4) as a byproduct. The required PtF5 can be obtained by fluorinating PtCl2:

2 PtCl2 \+ 5 F2 → 2 PtF5 \+ 2 Cl2

2 PtF5 → PtF6 \+ PtF4

## Hexafluoroplatinates

Platinum hexafluoride can gain an electron to form the hexafluoroplatinate anion, PtF−6. It is formed by reacting platinum hexafluoride with relatively uncationisable elements and compounds, for example with xenon to form "XePtF6" (actually a mixture of XeFPtF5, XeFPt2F11, and Xe2F3PtF6), known as xenon hexafluoroplatinate. The discovery of this reaction in 1962 proved that noble gases form chemical compounds. Previous to the experiment with xenon, PtF6 had been shown to react with oxygen to form [O2]+[PtF6]−, dioxygenyl hexafluoroplatinate.

## See also

* Hexafluoride
* Chloroplatinic acid

## References

1. ↑ 1.0 1.1 Drews, Thomas; Supeł, Joanna; Hagenbach, Adelheid; Seppelt, Konrad (2006). "Solid State Molecular Structures of Transition Metal Hexafluorides". Inorganic Chemistry 45 (9): 3782–3788. doi:10.1021/ic052029f. PMID 16634614.
2. ↑ Weinstock, B.; Claassen, H. H.; Malm, J. G. (1957). "Platinum Hexafluoride". Journal of the American Chemical Society 79 (21): 5832. doi:10.1021/ja01578a073.

## General reading

* Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.

* v
* t
* e

Platinum compounds

Pt(0)|

* Pt(P(C6H5)3)4

Pt(II)|

* Pt(NH3)2(CO2)2C4H6
* cis-Pt(NH3)2Cl2
* trans-Pt(NH3)2Cl2
* K2Pt(CN)4
* Pt(NH3)4PtCl4
* Pt(NH3)2CO2CH2O
* C6H10(NH2)2PtC2O4
* NH3PtCl2NC5H4CH3
* Pt(C2H3O2)2
* PtBr2
* PtCl2
* K2PtCl4
* (PtCl(NH3)2C6H12(NH2)2)Pt(NH3)2(NO3)4
* Pt(OH)2
* PtS

| Organoplatinum(II) compounds|

* PtCl2C8H12
* KPtCl3C2H4

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Pt(IV)|

* PtO2
* (NH4)2PtCl6
* H2PtCl6
* PtBr4
* PtCl4
* PtF4
* K2PtCl6
* Pt(C2H3O2)2Cl2NH3NH2C6H11
* Na2PtCl6
* Pt(OH)4
* PtS2
* PtSe2
* XeFPtF5

Pt(V)|

* PtF5
* O2PtF6
* XePtF6

Pt(VI)|

* PtF6

* v
* t
* e

Binary hexafluorides

Known binary hexafluorides|

| Chalcogen binary hexafluorides|

* SF6
* SeF6
* TeF6
* PoF6

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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

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Transition metal binary hexafluorides|

* CrF6
* PdF6

Actinide binary hexafluorides|

* AmF6

* v
* t
* e

Fluorine compounds

| HF |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | He

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LiF | BeF2 |  |  |  |  |  |  |  |  |  |  | BF3
B2F4 | CF4 | NF3 | OF2 | F− | Ne
NaF | MgF2 |  |  |  |  |  |  |  |  |  |  | AlF3 | SiF4 | PF3
PF5 | SF2
SF4
SF6 | ClF
ClF3
ClF5 | Ar
KF | CaF2 | ScF3 | TiF3
TiF4 | VF3
VF4
VF5 | CrF2
CrF3
CrF4
CrF5 | MnF2
MnF3 | FeF2
FeF3 | CoF2
CoF3 | NiF2 | CuF
CuF2 | ZnF2 | GaF3 | GeF4 | AsF3
AsF5 | SeF4
SeF6 | BrF3
BrF5 | KrF2
RbF | SrF2 | YF3 | ZrF4 | NbF4
NbF5 | MoF5
MoF6 | TcF6 | RuF3
RuF4
RuF5
RuF6 | RhF6 | PdF2 | AgF
AgF2
Ag2F | CdF2 | InF3 | SnF2
SnF4 | SbF3
SbF5 | TeF4 | IF
IF3
IF5
IF7 | XeF2
XeF4
XeF6
CsF | BaF2 | *  | HfF4 | TaF5 | WF4
WF6 | ReF4
ReF5
ReF6
ReF7 | OsF4
OsF5
OsF6 | IrF3
IrF5
IrF6 | PtF4
PtF6 | AuF3
Au2F10
AuF5·F2
| HgF2
Hg2F2 | TlF
TlF3 | PbF2
PbF4 | BiF3
BiF5 | Po | At | RnF2
Fr | Ra | **  | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og
|  | ↓ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| * | LaF3 | CeF3 | Pr | NdF3 | PmF3 | SmF3
| Eu | Gd | Tb | DyF3 | Ho | Er | Tm | YbF3
| Lu |
| ** | AcF3 | ThF4 | Pa | UF3
UF4
UF5
UF6 | NpF3
NpF4
NpF5
NpF6
| PuF3
PuF4
PuF5
PuF6 | AmF3
AmF4 | CmF3 | Bk | Cf | Es | Fm | Md | No | Lr |

Other|

* AgBF4
* AgPF6
* Cs2AlF5
* K3AlF6
* Na3AlF6
* KAsF6
* LiAsF6
* NaAsF6
* HBF4
* KBF4
* LiBF4
* NaBF4
* RbBF4
* Ba(BF4)2
* Ni(BF4)2
* Pb(BF4)2
* Sn(BF4)2
* BaClF
* BaSiF6
* BaGeF6
* BrOF3
* BrO2F
* CBrF3
* CBr2F2
* CBr3F
* CClF3
* CCl2F2
* CCl3F
* CFN
* CF2O
* CF3I
* CHF3
* CH2F2
* CH3F
* C2Cl3F3
* C2H3F
* C6H5F
* C7H5F3
* C15F33N
* ClFO2
* CrFO4
* CrF2O2
* CsBF4
* NH4F
* FNO
* FNO2
* FNO3
* KHF2
* NaHF2
* ThOF2
* NH5F2
* (NH4)2SiF6
* F2OS
* F3OP
* PSF3
* HPF6
* HSbF6
* NH4PF6
* KPF6
* KSbF6
* LiPF6
* NaPF6
* NaSbF6
* Na2SiF6
* Na2TiF6
* Na2ZrF6
* TlPF6
* IOF3
* K2NbF7
* K2TaF7
* IO3F
* UO2F2

Chemical formulas

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