Thermal investigation and stereochemical studies of methylamine, diethanolamine, 2,2′-bipyridyl and 1,10-phenanthroline complexes of nickel(II) in the solid state
作者:Samiran Mitra、Laishram Nandababu Singh
DOI:10.1016/0040-6031(94)87058-6
日期:1994.7
Abstract Methylamine, diethanolamine, 2,2′-bipyridyl and 1,10-phenanthroline complexes of Ni(II) were synthesized. Thermal investigations were carried out and the stereochemical changes which occurred during the thermal decomposition were studied. The complexes were characterized using elemental and thermal analyses, IR and electronic spectral data, magnetic moment values and conductivity measurement
摘要 合成了Ni(II)的甲胺、二乙醇胺、2,2'-联吡啶和1,10-菲咯啉配合物。进行了热研究并研究了热分解过程中发生的立体化学变化。使用元素和热分析、IR 和电子光谱数据、磁矩值和电导率测量来表征配合物。发现它们具有 [NiL4(H2O)2]X2·2H2O、[NiL'2X2]·nH2O、[NiL″2X2]·nH2O 和 [NiL‴2(NCS)2],其中 X 是 Cl− 或 Br −, L 为甲胺 (MeA),L' 为 2,2'-联吡啶 (bipy),L" 为 1,10-菲咯啉 (phen),L‴ 为二乙醇胺 (DEA),n 为 0 到 2。使用热分析(TG 和 DTA)、红外光谱和有效磁矩数据研究了配合物及其中间体的构型变化。Ni(II)的所有配合物,除了[NiL‴2(NCS)2],似乎都具有八面体结构;[NiL‴2(NCS)2]是四面体结构。使用标准方法评估复合物脱水和分解反应的热力学参数、活化能