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N,N′-Dimethyl-N,N′-diphenyl­ethyl­enediamine

✍ Scribed by Lennartson, Anders ;Kokoli, Theonitsa ;Håkansson, Mikael


Book ID
104484954
Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
397 KB
Volume
61
Category
Article
ISSN
1600-5368

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N,N′-Bis(ethyl­diphenyl­phosphino)ethyl­
✍ Irisli, Sevil ;Sen, Ayten 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 179 KB

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 d