Bismuth pentafluoride

Names
Other names

bismuth(V) fluoride

Identifiers

CAS Number

* 7787-62-4 Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:30426 Y

ChemSpider |

* 21172752

PubChem CID

* 123260

UNII |

* BX273GFK98 Y

InChI

* InChI=1/Bi.5FH.3H/h;5*1H;;;/q+3;;;;;;;;/p-5/rBiH3.5FH/h1H3;5*1H/q+3;;;;;/p-5

Key: MELFHUKMGVSOTN-COTDSHSIAY

SMILES

* F[Bi](F)(F)(F)F

Properties

Chemical formula

| BiF5
Molar mass | 303.97 g mol−1
Appearance  | long white needles,[1] colourless crystalline solid[2]
Density | 5.40 g cm−3[1]
Melting point |  151.4 °C (304.5 °F; 424.5 K) ,[2] 154.4 °C[1]
Boiling point |  230 °C (446 °F; 503 K)[1][2]
Structure

Coordination geometry

| octahedral Bi
Hazards
Safety data sheet | MSDS
GHS pictograms |
GHS Signal word | DANGER

GHS hazard statements

| H272, H314

GHS precautionary statements

| P210, P220, P221, P260, P264, P280, P301+330+331, P303+361+353, P304+340, P305+351+338, P310, P321, P363, P370+378, P405, P501
NFPA 704 (fire diamond)  |

~~W~~

Flash point | non-combustible
Related compounds

Other anions

| bismuth trichloride, bismuth tribromide, bismuth triiodide, pentamethylbismuth

Other cations

| phosphorus pentafluoride, arsenic pentafluoride, antimony pentafluoride

Related compounds

| bismuth trifluoride

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

Infobox references

Tracking categories (test):

* SizeSet

Bismuth pentafluoride is an inorganic compound with the formula BiF5. It is a white solid that is highly reactive. The compound is of interest to researchers but not of particular value.

## Contents

* 1 Structure
* 2 Preparation
* 3 Reactions
* 4 References

## Structure

BiF5 is polymeric and consists of linear chains of trans-bridged corner sharing BiF6 octahedra.[1][3] This is the same structure as α-UF5.[1]

300px | 150px

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(BiF5)∞ chain | packing of chains

## Preparation

BiF5 can be prepared by treating BiF3 with F2 at 500 °C.[2]

BiF3 \+ F2 → BiF5

In an alternative synthesis, ClF3 is the fluorinating agent at 350 °C.[4]

BiF3 \+ ClF3 → BiF5 \+ ClF

## Reactions

Bismuth pentafluoride is the most reactive of the pnictogen pentafluorides and is an extremely strong fluorinating agent. It reacts vigorously with water to form ozone and oxygen difluoride, and with iodine or sulfur at room temperature. BiF5 fluorinates paraffin oil (hydrocarbons) to fluorocarbons above 50 °C and oxidises UF4 to UF6 at 150 °C. At 180 °C, bismuth pentafluoride fluorinates Br2 to BrF3 and Cl2 to ClF.[1]

BiF5 also reacts with alkali metal fluorides, MF, to form hexafluorobismuthates, M[BiF6], containing the hexafluorobismuthate anion, [BiF6]−.[2] Bismuth pentafluorude in hydrofluoric acid solvent also reacts with nickel fluoride to form the nickel salt of this anion, which can be incorporated into a complex with acetonitrile.[5]

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 561–563. ISBN 978-0-08-037941-8.
2. ↑ 2.0 2.1 2.2 2.3 2.4 Holleman, Arnold Frederik; Wiberg, Egon (2001), Wiberg, Nils, ed., Inorganic Chemistry, San Diego/Berlin: Academic Press/De Gruyter, pp. 769–770, ISBN 0-12-352651-5
3. ↑ C. Hebecker (1971). "Zur Kristallstruktur von Wismutpentafluorid". Z. anorg. allg. Chem. 384 (2): 111–114. doi:10.1002/zaac.19713840204.
4. ↑ A. I. Popov; A. V. Scharabarin; V. F. Sukhoverkhov; N. A. Tchumaevsky (1989). "Synthesis and properties of pentavalent antimony and bismuth fluorides". Z. Anorg. Allg. Chem. 576 (1): 242–254. doi:10.1002/zaac.19895760128.
5. ↑ Roland Bougon; Pierrette Charpin; Karl O. Christe; Jacques Isabey; Monique Lance; Martine Nierlich; Julien Vigner; William W. Wilson (1988). "Preparation and characterization of nickel(2+) hexafluorobismuthate(1-) and of the ternary adducts [Ni(CH3CN)6](BiF6)2 and [Ni(CH3CN)6](SbF6)2. Crystal structure of hexakis(acetonitrile-d3)nickel(2+) hexafluoroantimonate". Inorganic Chemistry 27 (8): 1389–1393. doi:10.1021/ic00281a018.

* v
* t
* e

Bismuth compounds

Bismuth(III)|

* BiBr3
* BiCl3
* Bi4Ge3O12
* BiOCl
* Bi2Se3
* Bi12SiO20
* Bi2O2(CO3)
* Bi2Te3
* BiF3
* BiI3
* Bi(NO3)3
* Bi2O3
* Bi(OH)3
* Bi2S3
* BiH3
* BiOHOCOC6H4O

| Organobismuth(III)|

* C4H4BiH

|

Bismuth(V)|

* NaBiO3
* BiF5
* Bi2O5

* 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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*[CID]: Compound ID
*[H272]: May intensify fire: oxidizer
*[H314]: Causes severe skin burns and eye damage
*[P210]: Keep away from heat/sparks/open flames/hot surfaces – No smoking
*[P220]: Keep/Store away from clothing/…/combustible materials
*[P221]: Take any precaution to avoid mixing with combustibles
*[P260]: Do not breathe dust/fume/gas/mist/vapours/spray
*[P264]: Wash … thoroughly after handling
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P301+330+331]: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
*[P303+361+353]: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P310]: Immediately call a POISON CENTER or doctor/physician
*[P321]: Specific treatment (see … on this label)
*[P363]: Wash contaminated clothing before reuse
*[P370+378]: In case of fire: Use … for extinction
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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