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Aurophilicity in tetraphenylphosphonium 7,8-bis(diphenylphosphino)-7,8- dicarba-nido-undecaborato-dibromo-digold(I)[PPh4][{(PPh 2)2-C2B9H10}(AuBr) 2]
Journal article   Peer reviewed

Aurophilicity in tetraphenylphosphonium 7,8-bis(diphenylphosphino)-7,8- dicarba-nido-undecaborato-dibromo-digold(I)[PPh4][{(PPh 2)2-C2B9H10}(AuBr) 2]

Effendy, P C Healy, C L Noack, B W Skelton, A H White and David James Young
Zeitschrift fur Anorganische und Allgemeine Chemie, Vol.633(15), pp.2689-2691
2007
url
https://doi.org/10.1002/zaac.200700339View
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Abstract

aurophilicity gold metal-metal interaction phosphine carborane x-ray crystal structure
Reactions of tetraphenylphosphonium dibromoaurate(I) with 1,2-bis(diphenylphosphino)-1,2-dicarba-closo-dodecaborane in 2:1 ratio in acetone solution yields brown crystals shown to be the title compound. A single crystal X-ray study shows coordination of AuBr moieties by the phosphorus atoms of the ligand (Au-P 2.253(1), 2.246(1); Ag-Br 2.4041(7), 2.4067(7) Å), permitting a close Au⋯Au contact (2.9536(3)Å) with concomitant bending of the P-Au-Br arrays (173.99(4), 166.14(4)°) and a Br-Au⋯Au-Br torsion of 47.80(2)°.

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