Mercury-sulphur stretching frequencies, synthesis and x-ray crystal structure of catena-μ-(3-dimethylammonio-1-propanethiolato)dichloromercury(II)

I. Casals, P. González-Duarte, J. Sola, C. Miravitlles, E. Molins

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21 Citations (Scopus)


The crystal structure of the title compound has been determined. Crystals of [HgC12{μ-S(CH2)3NH(CH3)2}] are monoclinic, space group P21/n, with a = 10.136(2), b = 6.519(1), c = 15.940(6) Å and β = 97.20(3)°. The structure consists of (HgS)n helicoidal chains linked by hydrogen bonding, which give rise to chemically unconnected layers along the (2̄02) planes. Each mercury is tetrahedrally coordinated to two terminal chlorine atoms and two bridging sulphur atoms. Assignments of νas(SHgS) and νs(SHgS) for this complex and its isostructural bromine analogue, and of νs(C1HgC1) and νs(BrHgBr) from IR and Raman spectroscopy are reported. Comparison of HgS frequencies with those reported for closely related compounds as well as correlation with HgS bond distances are made. © 1988.
Original languageEnglish
Pages (from-to)2509-2514
Issue number24
Publication statusPublished - 1 Jan 1988

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