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Structure of triphenylphosphine oxide hemihydrate.

作者信息

Baures P W, Silverton J V

机构信息

Smith Kline and French Laboratories, King of Prussia, PA 19406.

出版信息

Acta Crystallogr C. 1990 Apr 15;46 ( Pt 4):715-7. doi: 10.1107/s0108270189012710.

DOI:10.1107/s0108270189012710
PMID:2350472
Abstract

C18H15OP.1/2H2O, Mr = 287.30, orthorhombic, Fdd2, a = 19.794 (18), b = 32.540 (12), c = 9.459 (6) A, V = 6092.5 (22) A3, Z = 16, Dx = 1.253 g cm-3, lambda(Mo K alpha) = 0.71073 A, mu = 1.76 cm-1, F(000) = 2416, T = 294 K, R = 0.037 for 1677 reflections with I greater than 3 sigma(I). The water O atoms sit on a crystallographic twofold axis and are linked by hydrogen bonds to two of the oxide molecules with O...OW distances of 2.856 (3) A. Considerable conformational flexibility is conferred on the molecule by the long P--C bonds (around 1.8 A each).

摘要

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