Tungsten (V) fluoride

Crystal structure
__ W 5+      __ F -
General
Surname	Tungsten (V) fluoride
other names	Tungsten tafluoride
Ratio formula	WF 5
Brief description	yellow solid
External identifiers / databases
CAS number 19357-83-6 PubChem 140522 Wikidata Q15628357
properties
Molar mass	278.83 g mol −1
Physical state	firmly
Melting point	20 ° C (decomposition)
solubility	Decomposes in water
safety instructions
GHS hazard labeling no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Tungsten (V) fluoride is a chemical compound of tungsten from the group of fluorides .

Extraction and presentation

Tungsten (V) fluoride can be obtained by reducing tungsten (VI) fluoride with tungsten .

${\displaystyle \mathrm {5\ WF_{6}+6\ W\longrightarrow 6\ WF_{5}} }$

The representation from the elements is also possible.

properties

Tungsten (V) fluoride is a yellow solid that decomposes in water. In solid form, like niobium (V) fluoride and tantalum (V) fluoride, the compound has a tetrameric structure.

Individual evidence

1. ↑ ^{a b c d e} William M. Haynes: CRC Handbook of Chemistry and Physics, 94th Edition . CRC Press, 2016, ISBN 978-1-4665-7115-0 , pp. 97 ( limited preview in Google Book search).
2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
3. ↑ Kirk-Othmer Encyclopedia of Chemical Technology - Kirk-Othmer . Wiley, 2007, 2007, ISBN 978-0-471-48497-4 , pp. 378 ( limited preview in Google Book search).
4. ^ ^{A b} Egon Wiberg, Nils Wiberg: Inorganic Chemistry . Academic Press, 2001, ISBN 978-0-12-352651-9 , pp. 1394 ( limited preview in Google Book Search).
5. ^ Catherine E. Housecroft, AG Sharpe: Inorganic Chemistry . Pearson Education, 2005, ISBN 978-0-13-039913-7 , pp. 662 ( limited preview in Google Book search).