Platinum(I) complexes: crystal structure of bis(tetra-n-propylammonium) bis[carbonyldichloroplatinate(I)]
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 15,p. 1516-1520
- https://doi.org/10.1039/dt9750001516
Abstract
Crystals of the title compounds are monoclinic, space group P21/a, with Z= 4 in a unit cell of dimensions: a= 19.727(6), b= 9.176(3), c= 21.481 (10)Å, β= 113.72(3)°. The structure has been elucidated from 4 448 non-zero diffracted intensities, measured on a four-circle diffractometer, by conventional heavy-atom methods, and refined to R 0.109. The anion consists of two slightly distorted square planar [PtCl2(CO)]– entities linked by an unbridged Pt–Pt bond such that the dihedral angle between the two planes is 60°. The carbonyl groups adopt a transoid configuration. The structure found is one of those predicted from spectroscopic observations. The Pt–Pt bond distance [2.584(2)Å] has a strong trans-influence on the Pt–Cl bond lengths.Keywords
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