The molecular structure of [H4Ag8(2-mpa)6(PPh3)6]·EtOH 1 (2-H2mpa=a racemic form of 2-mercaptopropionic acid), prepared by a 1:5 molar-ratio reaction of polymeric [Ag(2-Hmpa)]n 2 suspended in EtOH with PPh3 in CHCl3, was a wheel-type octanuclear silver(I) cluster; the rim of the wheel was constructed with the outside six Ag(μ3-S)2P units and the axle was formed by the central two Ag(μ3-S)3 units with Ag–Ag separation, 3.122 Å.
所制备的[H4Ag8(2-mpa)6(PPh3)6]·EtOH 1(2-H2mpa=2-巯基
丙酸的外消旋形式)的分子结构,是通过聚合物[Ag(2-Hmpa)]n 2在
乙醇中悬浮,并与PPh3在
氯仿中以1:5的摩尔比反应得到的,它是一个车轮型的八核
银(I)团簇;车轮的轮缘由外侧的六个Ag(μ3-S)2P单元构成,车轴则由中央的两个Ag(μ3-S)3单元组成,且Ag–Ag之间的距离为3.122 Å。