Preparation and spectroscopic studies of tri(p-tolyl)-tin(IV) compounds. X-ray crystal structure of the quinoline-N-oxide adduct of tri(p-tolyl)tin(IV) bromide
作者:V.G. Kumar Das、Yap Chee Keong、Ng Seik Weng、Chen Wei、Thomas C.W. Mak
DOI:10.1016/0022-328x(86)80251-0
日期:1986.9
and the IR data suggest that the Lewis acceptor strength falls in the order (p-ClC6H4)3Sn > (C6H5Sn> (p-MeC6H4)3Sn. Crystals of (p-tolyl)3SnBr· quinoline-N-oxide are triclinic, space group P, with a 10.245(4), b 10.862(2), c 13.153(5) Å, α 84.10(2), β 68.39(3), γ 80.88(3)°. The structure was refined to R = 0.070 for 4548 observed Mo-Kα reflections and comprises independent, non-interacting molecules
给出了以下类型的R 3 Sn IV化合物的合成及光谱数据,其中R主要为对甲苯基:R 3 SnX·L(X = Cl,Br或NCS; L =中性,单齿氧供体),R 3 SnY(YH = 1,2,4-三唑,N-苯基-N-苯甲酰基异羟肟酸,琥珀酸,乙酰丙酸和马尿酸)和[R 3 SnL 2 ] + [Ph 4 B] -(L =中性,单齿或1 / 2二齿氧供体)。光谱数据(IR和Mössbauer)用离散或弱聚合的三角双锥体结构解释,R 3锡骨架形成大多数化合物的赤道面。甲顺-geometry推断为其中阴离子性残基是螯合情况Ñ苯基Ñ -benzoylhydroxamate配体,而经向几何预测用于涉及螯合ligans,2,2'-联吡啶的阳离子络合物N,N' -二氧化物和亚乙基双(二苯基膦氧化物)。两个13 C NMR和IR数据表明,所述路易斯受体强度下降的顺序(p -ClC 6 ħ 4)3的Sn>(C 6