Crystal and Molecular Structure of 3,8-Di-t-butyl-5,6-diphenyl-1-thioxo-2,9-dithia-1-phosphabicyclo[4.3.0]nona-3,7-diene
- 1 July 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 57 (7), 1990-1993
- https://doi.org/10.1246/bcsj.57.1990
Abstract
The crystal and molecular structures of the title compound were determined by means of X-ray diffraction. Crystal data: C26H31S3P, Mr=470.68, orthorhombic, a=17.116(4), b=19.798(4), c=14.898(3) Å, V=5048.4 Å3 (21 °C), space group Pbca, Dm=1.23, Dx=1.239 g cm−3, Z=8, μ=3.58 cm−1 (Mo Kα). The structure was solved by the direct method and refined by the full-matrix least-squares method to R=0.083 for 3318 observed reflections. The bicyclo skeleton is so highly strained that abnormal bond distances [P–C of 1.895(5) and C–C of 1.594(6) Å] were observed. Conformation of six-membered ring is a boat-form.Keywords
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