Tungsten hexachloride

Tungsten hexachloride is the chemical compound with the formula WCl₆. This dark violet blue species exists as a volatile solid under standard conditions. It is an important starting reagent in the preparation of tungsten compounds. WCl₆ is a rare example of a charge neutral hexachloride, another example being ReCl₆. MoCl₆ cannot be prepared. Better known than WCl₆ is the still more volatile WF₆.

As a d⁰ ion, W(VI) forms diamagnetic derivatives. The hexachloride is octahedral with equivalent W-Cl distances of 2.24 - 2.26 Å. In the WCl₆, the chloride ligands are donors in both sigma- and pi sense Does this refer to MO's?^{[citation needed]}. Methylation with trimethylaluminium affords hexamethyl tungsten. Treatment with butyl lithium affords a reagent that is useful for deoxygenation of epoxides.

The chloride ligands in WCl₆ can be replaced by many anionic ligands including Br⁻, NCS⁻, and RO⁻ (R = alkyl, aryl).

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Disclaimer: The article is only reflecting the opinions of the author. We have no responsibility to prove the originality and authenticity of the content, words and/or pictures. You readers should just take it as reference and check the details by yourselves. And the content is not a suggestion for investment decision. The investor takes his or her own risks if he or she operates accordingly. If you have any dissent about the contents above, please contact the relevant author, or the webmaster. We will try our best to assist the dealing of the related issues. Thanks for your visit and cooperation.