1,2-Bis(phenylphosphoryl)ethane

The geometric parameters of the molecule of the title compound, C14H16O2P2, are in the usual ranges. It is a meso compound with the two chiral P atoms having opposite configurations. The P-CH2-CH2-P chain adopts a trans conformation [torsion angle -178.59 (17)°]. The P=O bonds are almost coplanar with the adjacent phenyl ring [torsion angles = 3.8 (3) and 0.3 (3)°]. Whereas one of them is synclinal [torsion angle = -59.0 (2)°] to the central C-C bond, the other is anticlinal [torsion angle = 56.6 (2)°] to the central C-C bond. The dihedral angle between the two phenyl rings is 5.2 (3)°. The molecules are linked by weak C-H...O hydrogen bonds. They crystallize in rows running along the c axis. Key indicators: single-crystal X-ray study; T = 173 K; mean σ(C–C) = 0.005 Å; R factor = 0.038; wR factor = 0.093; data-to-parameter ratio = 15.2.

Metadaten
Author:	Franz Dornhaus, Hans-Wolfram Lerner ORCiD GND, Michael Bolte ORCiD
URN:	urn:nbn:de:hebis:30-69653
DOI:	https://doi.org/10.1107/S160053680705739X
Parent Title (English):	Acta crystallographica / Section E, Structure reports online
Document Type:	Article
Language:	English
Year of Completion:	2008
Year of first Publication:	2008
Publishing Institution:	Universitätsbibliothek Johann Christian Senckenberg
Release Date:	2009/09/11
Volume:	64
Issue:	o325
Note:	This is an open-access article distributed under the terms of the Creative Commons Attribution Licence http://creativecommons.org/licenses/by/2.0/uk/legalcode, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Source:	Acta Crystallographica Section E, Structure Reports Online, 2008, E64, o325 ; doi:10.1107/S160053680705739X
HeBIS-PPN:	217719589
Institutes:	Biochemie, Chemie und Pharmazie / Biochemie und Chemie
Dewey Decimal Classification:	5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Licence (German):	Creative Commons - Namensnennung 2.0

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