Hexakis(dimethylsulfoxide-O)-cobalt(II) hexatungstate, [Co(C2H6OS)6][W6O19]: synthesis from aqueous dimethylsulfoxide solution, crystal structure determination, FT-IR and Raman spectroscopy analysis, and surface micromorphology

Yu. Poimanova, Olena; Radio, Serhii V.; Medvid, Anna O.; Kretova, Olena A.; Ye. Bilousova, Katerina; Baumer, Vyacheslav N.; Arzumanian, Grigorii M.; Doroshkevich, Nelya V.; Panyushkin, Victor T.

doi:10.6084/m9.figshare.5895613.v2

gcoo_a_1440394_sm6837.docx (34.04 kB)

Hexakis(dimethylsulfoxide-O)-cobalt(II) hexatungstate, [Co(C₂H₆OS)₆][W₆O₁₉]: synthesis from aqueous dimethylsulfoxide solution, crystal structure determination, FT-IR and Raman spectroscopy analysis, and surface micromorphology

Version 2 2018-02-22, 12:34

Version 1 2018-02-15, 20:21

journal contribution

posted on 2018-02-22, 12:34 authored by Olena Yu. Poimanova, Serhii V. Radio, Anna O. Medvid, Olena A. Kretova, Katerina Ye. Bilousova, Vyacheslav N. Baumer, Grigorii M. Arzumanian, Nelya V. Doroshkevich, Victor T. Panyushkin

The conditions necessary for formation of hexakis(dimethylsulfoxide-O)–cobalt(II) hexatungstate [Co(C₂H₆OS)₆][W₆O₁₉] in Co(NO₃)₂-–Na₂WO₄–HCl–H₂O–DMSO solution, acidified up to , were established. The synthesized salt was examined using chemical analysis, X-ray single crystal analysis, FT-IR and Raman spectroscopy, and scanning electron microscopy. By X-ray single-crystal analysis of [Co(C₂H₆OS)₆][W₆O₁₉] main crystallographic characteristics were revealed: triclinic, C2/c, a = 16.3318(9) Å, b = 14.9160(5) Å, c = 17.8291(10) Å, β = 112.104(6)°, V = 4024.1(3) Å³ at T = 293(2) K, Z = 4, d_Calcd = 3.194 g cm⁻³. The structure is built from isolated cationic complexes [Co(C₂H₆OS)₆]²⁺ and hexatungstate anions [W₆O₁₉]^2–.