Tungsten(II) chloride

Tungsten(II) chloride
Identifiers
CAS Number	12052-19-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	122844;
PubChem CID	101282746;
	InChI InChI=1S/2ClH.W/h2*1H;/q;;+2/p-2 Key: UDJQAOMQLIIJIE-UHFFFAOYSA-L;
	SMILES [Cl-].[Cl-].[W+2];
Properties
Chemical formula	Cl12W6
Molar mass	1528.44 g·mol−1
Appearance	yellow brown solid
Density	5.44 g·cm−3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Tungsten(II) chloride is the inorganic compound with the formula W₆Cl₁₂. It is a polymeric cluster compound. The material dissolves in concentrated hydrochloric acid, forming (H₃O)₂[W₆Cl₁₄](H₂O)_x. Heating this salt gives yellow-brown W₆Cl₁₂.^[1] The structural chemistry resembles that observed for molybdenum(II) chloride.

Tungsten(II) chloride is prepared by reduction of the hexachloride. Bismuth is a typical reductant:

6 WCl₆ + 8 Bi → W₆Cl₁₂ + 8 BiCl₃

Structure of the cluster anion [W₆Cl₁₄]²⁻

.

References

↑ Nolting, D. D.; Messerle, L. (2014). "Octahedral Hexatungsten Halide Clusters". Inorganic Syntheses: Volume 36. Vol. 36. pp. 19–23. doi:10.1002/9781118744994.ch4. ISBN 9781118744994. {{cite book}}: |journal= ignored (help)

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[1] Nolting, D. D.; Messerle, L. (2014). "Octahedral Hexatungsten Halide Clusters". Inorganic Syntheses: Volume 36. Vol. 36. pp. 19–23. doi:10.1002/9781118744994.ch4. ISBN 9781118744994. {{cite book}}: |journal= ignored (help)

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