Copper(II) and molybdenum(VI) complexes with 5-bromosalicylaldehyde <i>S</i>-allylisothiosemicarbazone: Syntheses, characterizations and crystal structures
作者:REZA TAKJOO、ALIREZA HASHEMZADEH、HADI AMIRI RUDBARI、FRANCESCO NICOLÒ
DOI:10.1080/00958972.2012.748191
日期:2013.1.1
Crystal structures of the Cu(II) complexes reveal a square planar configuration surrounded by the dianionic tridentate isothiosemicarbazone (ONN) and Im and NH3 for 1 and 2, respectively. The L2-, two oxo, and 1-methylimidazole are coordinated to molybdenum(VI) in a distorted octahedral geometry in 3. Formation of pure metal oxide residues was confirmed by thermal degradation of the complexes.
一种新的三齿席夫碱、5-溴水杨醛 S-烯丙基异缩氨基脲氢溴酸盐 (H2L) 以及该配体的几种新的铜 (II) 和钼 (VI) 单核配合物,具有通式 ([Cu(L)Im] (1)) , ([Cu(L)NH3]·4H2O (2)) 和 ([MoO2(L)1-MeIm] (3), Imidazole: Im, 1-methylimidazole: 1-MeIm) 被制备并通过元素分析表征、红外、质子磁共振光谱和紫外-可见技术。物理化学结果表明 H2L 以双阴离子三齿形式配位。Cu(II) 配合物的晶体结构显示方形平面结构被双阴离子三齿异氨基硫脲 (ONN) 和 Im 和 NH3 包围,分别为 1 和 2。L2-、两个氧代和 1-甲基咪唑与钼 (VI) 以扭曲的八面体几何形状配位 3。