Bis(methyl­ammonium) tetra­sulfido­tungstate(VI)

doi:10.1107/S1600536807067682

Acta Crystallogr Sect E Struct Rep Online. 2008 February 1; 64(Pt 2): m296–m297.

Published online 2008 January 4. doi: 10.1107/S1600536807067682

PMCID: PMC2960287

Bis(methylammonium) tetrasulfidotungstate(VI)

Bikshandarkoil R. Srinivasan,^a^* Christian Näther,^b and Wolfgang Bensch^b

^aDepartment of Chemistry, Goa University, Goa 403206, India

^bInstitut für Anorganische Chemie, Christian-Albrechts-Universität Kiel, Olshausenstrasse 40, D-24098 Kiel, Germany

Correspondence e-mail: srini/at/unigoa.ac.in

Received December 3, 2007; Accepted December 19, 2007.

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Abstract

The title compound, (CH₆N)₂[WS₄], was synthesized by the reaction of ammonium tetrasulfidotungstate(VI) with aqueous methylamine. The title compound is isotypic with the corresponding Mo analogue (CH₆N)₂[MoS₄], and its structure consists of a slightly distorted tetrahedral [WS₄]²⁻ dianion and two crystallographically independent methylammonium (MeNH₃) cations, all of which are located on crystallographic mirror planes. The tetrasulfidotungstate anions are linked to the organic cations via hydrogen-bonding interactions.

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