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Title: Synthesis and X-ray structure characterization of ethylenediammonium tetrathiomolybdate
Authors: Srinivasan, B R
Vernekar, Beena K
Nagarajan, K
Issue Date: Jun-2001
Publisher: NISCAIR-CSIR, India
Abstract: The passage of hydrogen sulphide gas into an aqueous ammonium heptamolybdate solution in the presence of ethylenediamine leads to the formation of stable ethylenediammonium tetrathiomolybdate 1 in good yields. The title compound has been characterized by IR, UV-Vis and elemental analysis and its structure has been determined by single crystal X-ray crystallography. Ethylenediammonium tetrathiomolybdate crystallizes in the orthorhombic space group P212121 with the following unit cell dimensions for C2H10N2S4Mo (M=286.3) a=8.582(5) Å, b=9.276(5) Å, c=11.792(5) Å, α=β=γ= 90° v = 938.7(8) Å3, Z=4. Dc=2.026 The structure of the title compound consists of tetrahedral tetrathiomolybdate anions, which form an extended three dimensional network in the solid state, with the aid of N-H---S as well as C-H---S hydrogen bonding interactions with the organic cation.
Page(s): 563-567
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.40A(06) [June 2001]

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