salts; infrared spectra indicate bidentate coordination by the ligands, and these complexes appear to have dodecahedral geometry. From this same reaction can be isolated the dimeric [Mo 2 O 4 (R 2 dtc) 2 ] species which contain a double MoOMo bridges as well as terminal MoO bonds, and also the [Mo 2 O 3 (Et 2 dtc)] complex containing a single MoOMo bridge and two terminal MoO linkages. With a series
摘要三
氯氧
钼(V)与二
硫代
氨基甲酸酯反应。室温下
乙腈中的R 2 dtc-(R 2Me 2,Et 2,[CH 2] 4)在末端
钼-氧键裂解产生[Mo(R 2 dtc)4] +时分离为
氯化物或四苯基
硼酸盐;红外光谱表明
配体的双齿配位,并且这些配合物似乎具有十二面体的几何形状。从同一反应中可以分离出二聚[Mo 2 O 4(R 2 dtc)2]物种,该物种包含一个双MoOMo桥以及末端MoO键,以及[Mo 2 O 3( Et 2 dtc)]复合物,包含一个MoOMo桥和两个末端MoO链。使用一系列二
硫醚生成三氧化
氯钼(V)可以生成[MoO(配体)Cl 3],但是络合的能力关键取决于二
硫醚的结构。