Reactions of Triangular Molybdenum and Tungsten Clusters with Tetrabromocatechol

P. A. Petrov; Петров П. А.; E. A. Filippova; Филиппова Е. А.; V. R. Giniyatullin; Гиниятуллин В. Р.; T. S. Sukhikh; Сухих Т. С.; D. G. Sheven’; Шевень Д. Г.; A. L. Gushchin; Гущин А. Л.; M. N. Sokolov; Соколов М. Н.

doi:10.31857/S0132344X22600485

Reactions of Triangular Molybdenum and Tungsten Clusters with Tetrabromocatechol

Authors: Petrov P.A.¹, Filippova E.A.¹, Giniyatullin V.R.², Sukhikh T.S.¹, Sheven’ D.G.¹, Gushchin A.L.¹, Sokolov M.N.¹
Affiliations:
1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2. Novosibirsk State University, Novosibirsk, Russia
Issue: Vol 49, No 8 (2023)
Pages: 451-457
Section: Articles
URL: https://journals.rcsi.science/0132-344X/article/view/137304
DOI: https://doi.org/10.31857/S0132344X22600485
EDN: https://elibrary.ru/SAABSD
ID: 137304

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Abstract

The reaction of cluster complex (nBu4N)2[Mo3Se7Br6] with tetrabromocatechol (H2Tbc) in the presence of Et3N and Ph4PBr results in the formation of (Ph4P)2[Mo3Se7(Tbc)3]∙2MeOH (Ia∙2MeOH). Under the same conditions, the tungsten analogue (nBu4N)2[W3S7Br6] is completely or partly destroyed to give the complex (Ph4P)(Et3NH)[WO2(Tbc)2] (II). The structures of Ia·2MeOH and II were established by X-ray diffraction analysis (CCDC nos. 2213900 and 2213901, respectively). The redox properties of complex Ia and related (Ph4P)2[Mo3S7(Tbc)3] (Ib) and (Ph4P)2[Mo3S7(Tcc)3] (Ic) (Tcc is tetrachlorocatecholate) were also studied by cyclic voltammetry.

Keywords

molybdenum, tungsten, clusters, redox-active ligands, cyclic voltammetry

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