论文部分内容阅读
本文利用高压法制备HFe_2Co(CO)_9(μ_3-S),作为原料,经脱质子化作用,再分别与(PPh_3)_2Cu(NO_3)和PPh_3AuCl反应,将Ph_3Cu-或Ph_3Au-联接到原始簇合物的中心骨架上,使簇核扩大,得到了组成为(PPh_3)_2CuFe_2Co(CO)_(?)(μ_3-S)和(PPh_3)_3AuFe_2Co(CO)_(?)(μ_3-S)的化合物.文中对此两个新化合物进行了IR,UV,~1H和~(31)P NMR.元素分析、熔点测定等性质表征,并对(PPh_3)_2CuFe_2Co(CO)_(?)(μ_3-S)进行了单晶X-射线衍射分析.两个化合物具有类似的中心骨架,在Fe_2和Co原子三角形的上面和下面分别键联着Cu和S,或Au和S原子,构成了三角双锥结构.其中一个簇合物由二个三苯基膦和八个羰基配位,另一个则由三个三苯基膦和七个羰基配位.
In this paper, HFe_2Co (CO) _9 (μ_3-S) was prepared by high-pressure method as a raw material, and then deprotonated with (PPh_3) _2Cu (NO_3) and PPh_3AuCl to link Ph_3Cu- or Ph_3Au- (CO_3) _2CuFe_2Co (CO) _ (?) (Μ_3-S) and (PPh_3) _3AuFe_2Co (CO) _ (μ_3-S) In this paper, the two new compounds were characterized by IR, UV, ~ 1H and ~ (31) P NMR, elemental analysis, melting point determination and other properties. The properties of (PPh_3) _2CuFe_2Co (CO) _ ) Single crystal X-ray diffraction analysis of the two compounds have a similar central skeleton, in the Fe 2 and Co atom above and below the triangle were linked Cu and S, or Au and S atoms, forming a triangular double cone structure One of the clusters consisted of two triphenylphosphine coordinating with eight carbonyl groups and the other coordinating with three carbonyl groups of three triphenylphosphines.