(S-apS=(S)-1-amino-2-propanethiolate ion, cyclen=1,4,7,10-tetraazacyclododecane) complex was prepared and separated into two isomers (green and brown) by column chromatography. The crystal structure of the green isomer, [Co(S-apS)(cyclen)]ZnCl4·H2O was determined by X-ray analysis. Crystal data are as follows: monoclinic, space group P21, a=9.382(2), b=13.124(3), c=8.934(2) A, β=91.08(3)°, and Z=2. The complex
制备[Co(S-apS)(cyclen)]2+ (S-apS=(S)-1-amino-2-propanethiolate ion, cyclen=1,4,7,10-四
氮杂环十二烷)络合物并分离成通过柱色谱法得到两种异构体(绿色和棕色)。绿色异构体[Co(S-apS)(cyclen)]ZnCl4·
H2O的晶体结构通过X射线分析确定。晶体数据如下:单斜晶系,空间群P21,a=9.382(2),b=13.124(3),c=8.934(2) A,β=91.08(3)°,Z=2。复合离子具有顺式八面体几何形状,其中 Cyclen
配体以折叠的蝴蝶状构型和 δ-gauche 形式的双齿 S-apS
配体配位。相对于 S-apS
配体,大环的两个“平面”NH 氢之一指向 S-apS 螯合环(外),而另一个“平面”和其余两个“顶端”NH 氢指向到 S-apS 环 (endo)。绿色异构体可以用endo(S