Molecular and Crystal Structure of Hexacobalt Carbonyl Cluster Containg Twin Co_3S(CO)_7 Fragments Linked by a Novel Phosphido-Thiolato Ligand as Backbone

Reaction of dimers of (R) thionophosphine sulfide (R = P - C6H4OMe,SMe ) with Co, (CO), yields the novel hexacobalt cluster [Co'(μ3, -S)2, (CO) 14 (μ4 -μ4- and the trinuclear clusterPSCH,)J 2' In 1, tw0 Co3S(C0)7 units linked by a novel phosphido-thio1ato bifunc-tiona1 bridging p'-SPR ligand as backbone.

含硫磷桥基的两核铁羰基簇合物的合成和晶体结构

Fe3CO12与杂环二硫代次膦酸盐SPC6H4ORSNC6H5NCMeR=MeEt反应得到两个新的含硫磷桥基的双核铁羰基簇合物Fe2CO6μη2SCMeNNC6H5PC6H4OMe和Fe2CO6μη2SCMeNNC6H5PC6H4OEt以及簇合物Fe3CO9μ3S2已知。对它们进行了元素分析IR1HNMR和MS等谱学表征并用Xray衍射技术测定了的晶体结构。该晶体属单斜晶系P21/n空间群晶胞参数a=11.1922b=14.2723c=16.2813β=108.223°V=2470.283Z=4。两核簇合物中含有两个桥基FeSFe和FePFe而且C7N2N1链连结在S、P原子间形成了两个六员螯环Fe1SCNNP和Fe2PNNCS增强了簇合物的稳定性。