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Synthesis and Crystal Structure of a Tetranuclear Molybdenum(II) Silylamido Cluster
Zeitschrift für anorganische und allgemeine Chemie ( IF 1.1 ) Pub Date : 2020-07-15 , DOI: 10.1002/zaac.202000236
Uwe Morgenstern 1 , Christoph Wagner 1 , Kurt Merzweiler 1
Affiliation  

Treatment of molybdenum(II) chloride with the difunctional silylamide Li2Me2Si(NPh)2 led to the formation of the tetranuclear cluster compound [Mo4{Me2Si(NPh)2}4]. According to the X‐ray crystal structure determination, the central core of the cluster consists of four molybdenum atoms in a nearly rectangular arrangement. There are two μ4‐κ‐N,N,N',N'‐Me2Si(NPh)22– ligands capping the Mo4 rectangle and two μ2‐Me2Si(NPh)22– ligands located at opposite edges. The alternating Mo–Mo distances of 218.1(1) and 279.5(1) pm indicate the presence of a cyclobutadiyne type cluster with alternating Mo–Mo triple and single bonds.

中文翻译:

四核钼硅酰胺基团簇的合成与晶体结构

用双官能甲硅烷基酰胺Li 2 Me 2 Si(NPh)2处理氯化钼(II)导致形成四核簇化合物[Mo 4 {Me 2 Si(NPh)2 } 4 ]。根据X射线晶体结构确定,簇的中心核由四个几乎呈矩形排列的钼原子组成。有两种μ 4 -κ- -N,N,N 'N' -Me 2的Si(NPH)2个2-配体封盖沫4矩形和两个μ 2 -Me 2的Si(NPH)22 –配体位于相对的边缘。交替的Mo-Mo距离为218.1(1)和279.5(1)pm,表明存在具有交替的Mo-Mo三键和单键的环丁二炔型团簇。
更新日期:2020-09-11
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