Abstract
The crystal structure of the compound Mo2VI O4 (2,2-dimethylpropane-1,3-diolate)2 · (H2O)2 has been determined. Crystals are triclinic, space groupP¯1 witha = 7.603(3),b = 6.396(3),c = 8.930(6) A, α = 84.41(3) β = 94.92(3), γ =103.21(3) °, andZ = l. X-ray data were collected by counter methods using MoKα radiation, and least-squares refinement led toR = 0.028 for the 1346 independent reflections for which ¦F0¦2 > 3σ(¦F0¦2). The dimeric complex possesses a centre of inversion, the molybdenum atoms being bridged by two oxygen atoms which form part of the two chelate rings present. The distorted octahedral environment of each molybdenum atom is made up of the two oxygen atoms of thecis-dioxo molybdenum group, two oxygen atoms, one bridging, from one chelating diol, a bridging oxygen atom part of the chelate of the neighboring molybdenum atom, and a water molecule. Mo-O distances range from 1.68 (within MoO2 group) to 2.31 A (to water molecule) and the Mo ... Mo distance is 3.45 A.
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