Crystal and molecular structure of the dimeric 1 : 1 addition compound of mercury(II) chloride and triphenylphosphine selenide
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2501-2504
- https://doi.org/10.1039/j19690002501
Abstract
The complex of empirical formula HgCl2(Ph3PSe) crystallises in the monoclinic system, space group P21/c, in a unit cell of dimensions a= 10·51 ± 0·07, b= 13·05 ± 0·07, c= 17·83 ± 0·05 Å, β= 128° 3′± 20′ containing two discrete, dimeric, centrosymmetric chlorine-bridged molecules [HgCl2(Ph3PSe)]2. Bond lengths in the dimer are Hg–Cl(bridging) 2·60, 2·78, Hg–Cl(terminal) 2·33, and Hg–Se 2·53 Å. The mercury atom is in a distorted tetrahedral environment and the angle Hg–Se–P is 98·1°.Keywords
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