Syntheses, crystal structures and properties of the novel Co(II) and Ni(II) complexes with 4-(p-methylphenyl)-3,5-bis(pyridin-2-yl)-1,2,4-triazole

被引：73
|
作者：
Zhu, DR
Song, Y
Xu, Y
Zhang, Y
Raj, SSS
Fun, HK
You, XZ [1 ]
机构：
[1] Nanjing Univ, State Key Lab Coordinat Chem, Inst Coordinat Chem, Nanjing 210093, Peoples R China
[2] Univ Sains Malaysia, Sch Phys, Xray Crystallog Unit, George Town 11800, Malaysia
来源：
POLYHEDRON | 2000年 / 19卷 / 18-19期
基金：
中国国家自然科学基金;
关键词：
syntheses; crystal structures; cobalt(II) complex; nickel(II) complex; 4-(p-methylphenyl)-3,5-bis(pyridin-2-yl)-1,2,4-triazole; ESIMS;
D O I：
10.1016/S0277-5387(00)00501-5
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The chelating properties of 4-(p-methylphenyl)-3,5-bis(pyridin-2-yl)-1,2,4-triazole (MBPT) were investigated through the study of the crystal structures of [Co(MBPT)(2)(H2O)(2)](ClO4)(2). 4H(2)O (1), [Ni(MBPT)(2)(H2O)(2)](ClO4)(2) (2) and MBPT and the analysis of IR and ESIMS spectra. The metal atom is in a distorted octahedral environment. Two bidentate chelating ligands (MBPT) coordinate to metal center equatorially and two water molecules coordinate axially. Each MBPT coordinates via one triazole nitrogen atom and one pyridine nitrogen atom. The magnetic measurements show that the complexes are high-spin species in the 75-300 K range. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2019 / 2025
页数：7
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