Abstract
A new precise determination of the crystal structure of bis(ethanethiolato)mercury reveals a cell [a=7.342 (2), b=4.702 (2), c=23.131 (6) A, β=101.83 (1) o ] and structure slightly different from that reported previously [Bradley & Kunchur (1965). Can. J. Chem. 43, 2786-2792]. The Hg and S atoms lie in planes normal to the crystallographic c * axis, separated by the alkyl chains. Weak van der Waals interactions between the alkyl chains give rise to perfect cleavage along the ab plane. The primary coordination of Hg is linear [Hg-S=2.343 (1) A, S-Hg-S=176.48 (6) o ]. Each Hg atom also takes part in four secondary interactions with S atoms of neighbouring molecules, two at 3.285 (1) A and two at 3.386 (1) A. The total coordination of Hg can be regarded as octahedral with severe tetragonal compression
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