Crystal structure of trichloroacetatotrivinyltin and Mössbauer spectroscopic characterization of trivinyl- and divinyl-n-butyltin carboxylates
作者:Sandro Calogero、Dore Augusto Clemente、Valerio Peruzzo、Giuseppe Tagliavini
DOI:10.1039/dt9790001172
日期:——
vinyl groups around the tin atom has also been examined by Mössbauer spectroscopy. The Mössbauer parameters of two series of compounds, Sn(CHCH2)3(O2CR′) and SnBu(CHCH2)2(O2CR′)(R′= Me, CH2Br, CH2Cl, CHCl2, CCl3, or CF3), have been determined. The quadrupole-splitting data, compared with those available for other series of organotin carboxylates having a trigonal-bipyramidal geometry, are consistent with
通过X射线分析确定了标题化合物的结构。它由Sn(CH CH 2)3(O 2 CCCl 3)单元组成,这些单元通过顺式-反三氯乙酸酯桥连接,得到五个坐标的锡原子。的化合物在结晶空间群我2 /一个与一个= 16.686(9),b = 10.267(6),C ^ = 15.866(9)埃,β= 107.08(8),和Ž = 8,一种对这些结构的比较数据与SnMe 3(O 2 CMe),SnMe 3(O 2CCF 3)和Sn(CH 2 Ph)3(O 2 CMe)揭示了SnC 3基团的畸变和两个Sn–O距离的不对称性依次为苄基>乙烯基>甲基。Mössbauer光谱学也检查了锡原子周围乙烯基的影响。Sn(CH CH 2)3(O 2 CR')和SnBu(CH CH 2)2(O 2 CR')(R'= Me,CH 2 Br,CH 2 Cl, CHCl 2,CCl 3或CF 3),已确定。与具有三角形-双锥体