Reactions of tetracyanoethylene with transition-metal acetylides: synthesis and structure of Rh(CCPh) [η2-C2(CN)4] (NCMe)(PPh3)2期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Reactions of tetracyanoethylene with transition-metal acetylides: synthesis and structure of Rh(CCPh) [η²-C₂(CN)₄] (NCMe)(PPh₃)₂

Authors:	Michael I Bruce Trevor W Hambley MichaeL R Snow AGeoffrey Swincer

Institution:	Jordan Laboratories, Department of Physical and Inorganic Chemistry, University of Adelaide, Adelaide, South Australia 5001 Australia

Abstract:	The title complex was obtained from the adduct of C₂(CN)₄ and Rh(CCPh)-(CO)(PPh₃)₂ by simple substitution of CO in refluxing acetonitrile. Crystals of the complex are orthorhombic, with a 10.058(2), b 20.008(4), c 21.594(5) Å, space group P2₁2₁2₁, Z  4. The rhodium has approximate trigonal bipyramidal coordination, with apical NCMe and C₂Ph ligands: RhC₂Ph, 1.939(18); RhC(olefinic), 2.151, 2.157(19); RhN, 2.051(16); RhP, 2.377, 2.397(6) Å.

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