Synthesis and X-ray crystal structures of N,N,N′,N′-tetraalkylpyridine-2,6-dithiocarboxamides (S-dapt) complexes of cobalt(II) and nickel(II)
作者:Pratibha Kapoor、Ajay Pal Singh Pannu、Love Karan Rana、Ramesh Kapoor、Geeta Hundal、Maninder Singh Hundal
DOI:10.1080/00958972.2013.859679
日期:2013.12.10
(X = Br−, SCN−) and Ni(ClO4)2 with N,N,N′,N′-tetraisobutylpyridine-2,6-dithiocarboxamides (S-dbpt), N,N,N′,N′-tetraisopropyl pyridine-2,6-dithiocarboxamides (S-dppt), and N,N,N′,N′-tetraethylpyridine-2,6-dithiocarboxamides (S-dept) lead to the formation of [Co(S-dbpt)Br2] (1), [Co(S-dppt)(SCN)2] (2), and [Ni(S-dept)2]·(ClO4)2·H2O (3), respectively. The X-ray crystal structures of the three S-dapt ligands
无水 CoX2 (X = Br-, SCN-) 和 Ni(ClO4)2 与 N,N,N',N'-四异丁基吡啶-2,6-二硫代甲酰胺 (S-dbpt), N,N,N' 的反应, N'-四异丙基吡啶-2,6-二硫代甲酰胺 (S-dppt) 和 N,N,N',N'-四乙基吡啶-2,6-二硫代甲酰胺 (S-dept) 导致 [Co(S- dbpt)Br2] (1)、[Co(S-dppt)(SCN)2] (2) 和 [Ni(S-dept)2]·(ClO4)2·H2O (3)。介绍了三种 S-dapt 配体和三种配合物的 X 射线晶体结构以及光谱分析。S-dapt 配体的分子结构研究表明,硫酰胺平面相对于吡啶环扭曲,在苯基的情况下更是如此。Co(II) 配合物的结构表明,配体酰胺侧臂上空间拥挤的增加对相应配合物采用的几何形状没有实质性影响。Co(II) 仅提供 1:1 的五坐标离子对复合物,具有扭曲的