...
首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Sn-centred icosahedral Rh carbonyl clusters:synthesis and structural characterization and ~(13)C-{~(103)Rh}HMQC NMR studies
【24h】

Sn-centred icosahedral Rh carbonyl clusters:synthesis and structural characterization and ~(13)C-{~(103)Rh}HMQC NMR studies

机译:以锡为中心的二十面体Rh羰基簇:合成和结构表征以及〜(13)C- {〜(103)Rh} HMQC NMR研究

获取原文
获取原文并翻译 | 示例
           

摘要

The reaction of[Rh7(CO)16]~(3-)with SnCl2·2H2O in a 1:1 molar ratio under N2 results in the formation of the new heterometallic cluster,[Rh12Sn(CO)27]~(4-),in very high yield(ca.86%).Further controlled additions of SnCl2·2H2O,or solutions of HC1,or[RhCl(COD)]2,give[Rh12(mu-Cl)2Sn(CO)23]~(4-).Similarly,addition of HBr to[Rh12Sn(CO)27]~(4-)gives the related cluster[Rh12(mu-Br)2Sn(CO)23]~(4-).Notably,if the addition of SnCl2·2H2O to[Rh12Sn(CO)27]~(4-)is carried out under a CO atmosphere,the reaction takes a different course and leads to the formation of the new cluster,[Rh12Sn(mu3-RhCl)(CO)27]~(4-).All the above clusters have been shown by single-crystal X-ray diffraction studies to have a metal framework based on an icosahedron,which is centred by the unique Sn atom.Their chemical reactivity and ~(13)C-{~(103)Rh}HMQC NMR spectroscopic characterization are also reported.
机译:在氮气下,[Rh7(CO)16]〜(3-)与SnCl2·2H2O以1:1的摩尔比反应形成新的杂金属簇[Rh12Sn(CO)27]〜(4-) ,以极高的产率(约86%)。进一步控制添加SnCl2·2H2O或HCl溶液或[RhCl(COD)] 2的溶液,得到[Rh12(mu-Cl)2Sn(CO)23]〜( 4-)。类似地,将HBr添加到[Rh12Sn(CO)27]〜(4-)得到相关簇[Rh12(mu-Br)2Sn(CO)23]〜(4-)。值得注意的是,如果添加SnCl2·2H2O在[CO]气氛中合成[Rh12Sn(CO)27]〜(4-)的反应过程不同,并形成新的簇[Rh12Sn(mu3-RhCl)(CO) )27]〜(4-)。以上所有簇均已通过单晶X射线衍射研究表明,其具有基于二十面体的金属骨架,并以独特的Sn原子为中心,其化学反应性和〜(还报道了13)C- {〜(103)Rh} HMQC NMR光谱表征。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号