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Butyl­diphenyl­phosphine oxide

✍ Scribed by Caddy, Judy ;Coyanis, E. Mabel ;Lemmerer, Andreas ;Khanye, Setshaba D. ;Omondi, Bernard

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
190 KB
Volume
63
Category
Article
ISSN
1600-5368

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The title compound, C 8 H 19 OP, is the oxidation product of t Bu 2 PH. The molecule is located on a crystallographic mirror plane. As a result, there is just one half-molecule in the asymmetric unit.

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The title compound, C~26~H~22~O~2~P~2~, crystallizes across a twofold rotation axis. The structure is characterized by chains formed through C—H...O hydrogen bonds running along the __b__ axis, which are further supported by C—H...π and π–π intermolecular interactions.

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In the title compound, [Au 2 Cl 2 (dppeo) 2 ]ÁH 2 O, where dppeo is (diphenylphosphinoethyl)diphenylphosphine oxide (C 26 H 24 -OP 2 ), each Au I center is two-coordinated by Cl and P donors and exhibits an approximately linear arrangement. The dppeo ligand adopts a monodentate bonding mode.

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In the molecule of the title compound, SePPh 2 Bz (Bz = benzyl, CH 2 C 6 H 5 ) or C 19 H 17 PSe, the Se atom and the three aryl groups adopt a distorted tetrahedral arrangement about the P atom. The effective cone angle was calculated to be 167 .