Crystal structure of bis(triphenylphosphoranylidene)methane [hexaphenylcarbodiphosphorane, Ph3P:C:PPh3]
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 5,p. 617-622
- https://doi.org/10.1039/dt9720000617
Abstract
The structure of the title compound has been determined. The crystals are monoclinic with a= 15·362, b= 9·483, c= 20·054 Å, β= 95° 6′, Z= 4, space group C2. 3292 Visually estimated X-ray reflections were refined to R 8·88%. There are two crystallographically independent molecules, each possessing a two-fold axis. The PCP angle is 143·8° in one of these molecules and 130·1° in the other. The results are compared with those obtained for related species, including the isoelectronic cation Ph3PNPPh3 and the cumulene ylides.Keywords
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