作者:Giuseppina Faraglia、Rodolfo Graziani、Zijian Guo、Umberto Casellato、Sergio Sitran
DOI:10.1016/s0020-1693(00)83168-0
日期:1992.2
reflections. The crystal is triclinic, P 1 , with a=7.955(6), b=8.599(6), c=14.098(5) A, α=92.12(3), β=110.96(3) and γ=108.60(3)°. Zn is tetrahedrally coordinated by two Cl and two S(ligand) atoms. Bond distances (mean values) are ZnCl 2.25, ZnS 2.37, SC 1.69 A. The IR absorptions due to metal-halide bond vibrations support a distorted tetrahedral structure for all 1:2 complexes. The [Cd(DMTP)Cl2]n
摘要硫代羰基供体2,6-二甲基-4H-吡喃-4-硫酮(DMTP)与通式为[M(DMTP)2X2]和[M(DMTP)X2的卤化锌(II)和镉(II)配合物形成] n(M = Cd或Zn; X =卤化物)。该化合物已经通过IR和质子NMR光谱表征。通过X射线晶体学确定[Zn(DMTP)2Cl2]的晶体结构,并根据2073个观察到的反射将其精炼至最终R为0.060。晶体是三斜晶的,P 1,a = 7.955(6),b = 8.599(6),c = 14.098(5)A,α= 92.12(3),β= 110.96(3)和γ= 108.60(3 )°。Zn由两个Cl和两个S(配体)原子四面体配位。键距(平均值)为ZnCl2.25,ZnS2.37,SC1.69A。由于金属卤化物键振动而产生的IR吸收支持所有1:2配合物的扭曲四面体结构。在八面体环境中,[Cd(DMTP)Cl2] n加合物可能具有