Crystal and molecular structure of (1 -methyl-2-phenylcyclobutene-dione) bis(triphenylphosphine)platinum(0)
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 21,p. 2181-2184
- https://doi.org/10.1039/dt9760002181
Abstract
Crystals of the title compound are triclinic, space group P, with a= 20.967(10), b= 12.478(6), c= 9.358(6)Å,α= 109.7(4), β= 107.1 (4). γ= 103.5(5)°, Z= 2. The structure has been refined by least-squares analysis of intensities to R 0.089 for 4 413 reflexions. The cyclobutenedione is co-ordinated via its olefinic bond. Important bond lengths are Pt-C(olefinic) 2.00(2) and 2.1 Z(2). and Pt–P 2.271(4) and 2.309(4)Å. The geometry of the co-ordinated cyclobutenedione is discussed and the distorted co-ordination geometry attributed to steric crowding in the molecule.Keywords
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