含联硫磷配体的六核钴羰合簇的合成与表征  

Synthesis and Characterizations of Hexacobalt Carbonyl Clusters Containing a Novel μ_4 η~2SPR Phosphido Thiolato Ligand

作　　者：吴秉芳[1] 宁宝柱[1] 刘树堂[1] 胡襄[1] 赵志蓉[1] 

机构地区：[1]内蒙古大学化学系,内蒙古呼和浩特010021

出　　处：《内蒙古大学学报（自然科学版）》2000年第1期55-57,共3页Journal of Inner Mongolia University：Natural Science Edition

基　　金：国家自然科学基金!(29661001)

摘　　要：Ｃｏ２ （ＣＯ）８ 与前配体（ＲＰＳ２ ）２ （Ｒ＝ Ｃ６Ｈ４ Ｏｐｈ，Ｃ６Ｈ４ＯＥｔ）反应，合成得到含前配体劈开的Ｓ与 ＳＰＲ 分子片的新颖六核钴羰合簇Ｃｏ６ （μ３－Ｓ）２ （ＣＯ）１４ （μ４－η２－ＳＰＣ６Ｈ４Ｏｐｈ）（Ⅰ）和Ｃｏ６ （μ３ －Ｓ）２（ＣＯ）１４ （μ４ －η２ －ＳＰＣ６ Ｈ４ ＯＥｔ）（Ⅱ）．对它们进行了元素分析，ＩＲ，１ＨＮＭＲ，３１ ＰＮＭＲ 和ＭＳ表征．该类簇合物有一个与四个金属原子相联的罕见的联硫磷ＳＰＲ 四齿桥基配体，它把两个等价的Ｃｏ３Ｓ（ＣＯ）７ 组块连结到一起，使整个分子外形似一飞雁．The reaction of Co 2(CO) 8 with dimers of (R) thionophosphine (RPS 2) 2(R=C 6H 4OPh,C 6H 4OEt) in THF yields the novel haxacobalt carbonyl clusters:Co 6( μ 3 S) 2(CO) 14 ( μ 4 η 2 SPC 6H 4OPh)(Ⅰ) and Co 6( μ 3 S) 2(CO) 14 ( μ 4 η 2 SPC 6H 4OEt)(Ⅱ).These clusters were characterized by elemental analysis,IR, 1HNMR, 31 PNMR and MS spectrometric methods.The molecular structures reveal that two essentially identical Co 3S(CO) 7 units are linked to each other by a novel quadridentate 6e phosphido thiolato bifunctional bridging μ 4 SPR ligand as backbone.The whole molecular looks like a flying goose.

关 键 词：钴羰基簇合物 联硫磷配体 六核钴羰合簇 合成 

分 类 号：O614.812[理学—无机化学]