摘要:
对于一系列配合物[Ni(II)(L)(P-(o-C6H4S)2(o-C6H4SH))],IR nu(S)(-)(H)频率向较低波数的偏移1-(L = PPh3(1),Cl(6),Se-p-C6H4-Cl(5),S-C4H3S(7),SePh(4))表明L配体的电子捐赠增加趋势与Ni(II)中心配位可促进分子内[Ni-S ... HS]相互作用。与Ni ... S(H)距离相比,在配合物1和4-7中的范围为3.609-3.802 A,在[Ni( II)(PPh3)(P(o-C6H4S)2(o-C6H4-SCH3))]络合物(8a和8b,两个构象异构体,硫醚甲基的化学位移为1.820(-60摄氏度),在[Ni(II)(L)(P(o-C6H4S)2(o-C6H4)中发现2.109 ppm(60摄氏度)(C4D8O))和Ni ... S(CH3)距离为3.258和3.229 A -SCH3))] 1-配合物(L