Structural, far-infrared and 31P nuclear magnetic resonance studies of two-co-ordinate complexes of tris(2,4,6-trimethoxyphenyl)phosphine with gold(I) halides
作者:Lisa-Jane Baker、Raymond C. Bott、Graham A. Bowmaker、Peter C. Healy、Brian W. Skelton、Peter Schwerdtfeger、Allan H. White
DOI:10.1039/dt9950001341
日期:——
are: 3.15(1), 3.08(1), 2.92(2)(chloride); 3.13(2), 3.11(1), 2.96(1)(bromide); 3.01(2), 3.10(1), 3.09(2)Å(iodide). The complexes [AuX(tmpp)] were characterized by far-IR spectroscopy [ν(Au–X) 313, 218, 183 cm–1.; X = Cl, Br, I] and by 31P NMR spectroscopy in acetonitrile [δ(31P)–35.9, –31.8, –23.9]. All members of the series [MX(tmpp)](M = Cu, Ag or Au; X = Cl, Br or I) are now known (although the Agl
配合物[AuX(tmpp)] [X = Cl,Br或I; 通过tmpp与[AuX(Me 2 S)]或[AuX 2 ] –反应制备tmpp =三(2,4,6-三甲氧基苯基)膦。结晶化合物是同构的,具有相应的Cu和Ag配合物,Au–P 2.253(5),2.255(4),2.239(7),Au–X 2.303(6),2.413(2),2.586(2) Å和P–Au–X 176.0(2),175.9(1),177.7(2)°。涉及配体中三个苯基上最接近的邻甲氧基氧原子的Au⋯O接触为:3.15(1),3.08(1),2.92(2)(氯化物);3.13(2),3.11(1),2.96(1)(溴化物);3.01(2),3.10(1),3.09(2)Å(碘化物)。配合物[AuX(tmpp)]通过远红外光谱[ν(Au–X)313,218,183 cm –1表征。; X = Cl,Br,I]并乘以31乙腈中的P