- 作者: Wen-Shu Hwanga, Jiun-Hwa Laib, Dong-Liang Wangc and Michael Y. Chiangb
- 中文摘要: Coordination reactions of N-(2-thienylmethylidene)aniline derivatives, L, with PdCl2 or [PdCl4]2- in ethanol yield stable complexes of the type trans-(L)2PdCl2 with the azomethine nitrogen atoms as s donors. These are not readily convertible to othor-palladated complexes. An X-ray crystallographic study of the complex (L2)2PdCl2 reveals a centrosymmetric geometry. The structure is in the triclinic space group P 1 with a = 8.633(2) ? B = 12.759(3) ? C = 8.398(2) ? A = 96.65(5)? B = 111.47(5)? G = 101.28(6)? And Z = 1. The final R factor is 0.043 (Rw = 0.044) for 2396 observed reflections. There is no real bonding between a thiophene sulfur atom and a central palladium ion. However, a long distance interaction between S and Pd does exist.
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