Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Crystal and Molecular Structure of trans-Bis(trimethylphosphine)propynyl-1-(4′-dicyanomethylene-cyclohexa-2′-5′-dien-1-ylidenl-3,3-dicyano-2-methyl-prop-2-en-1-ylplatinum, a Reaction Product of trans-Bis(trimethylphosphine)bis(propynyl)platinum and 7,7,8,8-Tetracyanoquinodimethane
Ken-ichi OnumaYasushi KaiNoritake YasuokaNobutami Kasai
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1975 Volume 48 Issue 6 Pages 1696-1700


The molecular structure of the title complex has been determined from three-dimensional X-ray diffraction data. The crystal belongs to the monoclinic system, space group P21/c, a=14.934(2), b=8.997(1), c=20.221(3)Å, β=97.44(2)°, Z=4. The molecular structure showed that the tetracyanoquinodimethane (TCNQ) molecule has reacted with one of the propynyl groups of trans-{(PMe3)2Pt(C≡CMe)2} : part of the TCNQ is bonded to the α-carbon atom and the other part to the β-carbon of the propynyl ligand. The platinum atom has a squareplanar geometry; Pt–P=2.302(5) and 2.290(5), Pt–C(C≡CMe3)=2.009(15) and Pt–C(reacted)=2.057(15) Å.

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