Tantalum Dimethyldithiocarbamate Complexes

P. A. Petrov, A. V. Rogachev, N. B. Kompan’kov, A. L. Gushchin, M. N. Sokolov

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The reaction of Ta(NMe2)5 with CS2 gave the tantalum(V) dimethyldithiocarbamate complex [Ta(MeDtc)4](MeDtc) (I). An ionic structure of the complex with a dodecahedral coordination of the tantalum atom was determined for toluene (I · Tol) and THF (I · THF) solvates by X-ray diffraction (CCDC no. 1544283 and no. 1544284, respectively). The reaction of I with CH2Cl2 leads to exchange of the outersphere anion to give the known complex [Ta(MeDtc)4]Cl (II). The cyclic voltammogram of II in CH3CN exhibits a quasi-reversible transition at E1/2 =–0.735 V corresponding to the TaV/TaIV pair.

Original languageEnglish
Pages (from-to)652-656
Number of pages5
JournalRussian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Issue number10
Publication statusPublished - 1 Oct 2017


  • amides
  • cyclic voltammetry
  • dithiocarbamates
  • tantalum
  • X-ray diffraction analysis

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