Complexing behaviour of thiocarbamic esters: crystal and molecular structure of bis-(O-methyl phenylthiocarbamato)(triphenylphosphine)-palladium(II)
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 3778-3783
- https://doi.org/10.1039/j19710003778
Abstract
The crystal structure of bis-(O-methyl phenylthiocarbamato)(triphenylphosphine)palladium(II), [Pd{PhN·C(OMe)S}2(PPh3)], has been determined from three-dimensional single-crystal X-ray data collected by standard film techniques. The structure has been refined by least-squares methods to a conventional R of 0·083 for 3812 independent non-zero reflections. The complex crystallizes in the triclinic space group P, with a= 13·58(2), b= 15·01(1), c= 9·50(2)Å, α= 99·0(2), β= 109·2(2), γ= 63·0(2)°, Z= 2. The palladium atom is co-ordinated, in an approximately planar configuration, by two thiocarbamic ligands, one of which is bidentate, bonded through sulphur and nitrogen, and the other unidentate, bonded through sulphur only. The fourth bond is from phosphorus. Some distances are: Pd–S 2·33, Pd–N 2·09, and Pd–P 2·23 Å. Features of the molecular geometry are discussed. The general complexing behaviour of thiocarbamic esters deduced from various physical measurements is also discussed.Keywords
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