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N,N′-Bis(ethyldiphenylphosphino)ethylenediamine P,P′-dioxide

✍ Scribed by Irisli, Sevil ;Sen, Ayten

Book ID: 104484345
Publisher: International Union of Crystallography
Year: 2005
Tongue: English
Weight: 179 KB
Volume: 61
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s160053680501665x

No coin nor oath required. For personal study only.

✦ Synopsis

The molecule of the title compound, C 30 H 34 N 2 O 2 P 2 or Ph 2 P(O)N(Et)CH 2 CH 2 (Et)N(O)PPh 2 , has crystallographically imposed centrosymmetry. The P-N bond length of 1.656 (2) A ˚is less than the accepted value for a single P-N bond. The P-O bonds [1.4818 (18) A ˚] are also short because of double-bond character.

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N,N′-Bis(ethyl­diphenyl­phosphino)ethyl­enediamine P,P′-dioxide

✦ Synopsis

N,N′-Bis(ethyldiphenylphosphino)ethylenediamine P,P′-dioxide