Issue 22, 1972

Structures of mercury(II) halide adducts with transition-metal Lewis bases. Part I. Crystal structure of the dicarbonyl-π-cyclopentadienyl-cobalt complex with mercury(II) chloride

Abstract

Crystals of (π-C5H5)(CO)2Cl,HgCl2 are monoclinic, P21/n, a= 7·85, b= 13·90, c= 9·38 Å, β= 91·1°, Z= 4. The structure was solved from photographic data by Patterson and Fourier methods and refined by block-diagonal least-squares analysis to a final R 0·093 for 1002 non-equivalent reflexions. The complex is a 1 : 1 Lewis acid-base adduct bonded through the metal atoms, the resulting Hg–Co bond length of 2·578 ± 0·004 Å is that expected for a covalent single bond. The idealised co-ordination about mercury is trigonal planar, but two long intermolecular Hg–Cl distances raise the effective co-ordination to trigonal bipyramidal.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1972, 2393-2395

Structures of mercury(II) halide adducts with transition-metal Lewis bases. Part I. Crystal structure of the dicarbonyl-π-cyclopentadienyl-cobalt complex with mercury(II) chloride

I. W. Nowell and D. R. Russell, J. Chem. Soc., Dalton Trans., 1972, 2393 DOI: 10.1039/DT9720002393

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