A tricobalt(II) coordination polymer incorporating in situ generated 5-methyltetrazolate ligands

被引:19
|
作者
Chen, Yang [1 ]
Song, You [2 ]
Zhang, Yong [1 ]
Lang, Jian-Ping [1 ,2 ]
机构
[1] Suzhou Univ, Sch Chem & Chem Engn, Suzhou 215123, Jiangsu, Peoples R China
[2] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China
基金
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词
cobalt; 5-methyltetrazolate; solvothermal synthesis; structure; magnetic properties;
D O I
10.1016/j.inoche.2008.02.015
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A tricobalt(II) coordination polymer {Na-0.5[Co-3(mu(4)-Mtta)(1.5)(mu(2)-OAc)(3)(mu(3)-OAc)(mu(3)-OH)]}(n) (1) (Mtta = 5-methyl tetrazolate) was prepared from the solvothermal reaction of Co(OAc)(2)center dot 4H(2)O with NaN3 in MeCN in the presence of water, Complex 1 was characterized by elemental analysis, IR, and X-ray crystallography. 1 consists of a unprecedented 3D hydrogen-bound supramolecular structure in which a 2D layer with unusual (3(2)6(2)7(2)) topology holds the adjacent layers together in a ABAB sequence via unusual O-H center dot center dot center dot Na pseduo-agostic interactions. Complex 1 displayed the characteristics of a weak antiferromagnetic exchange interactions between Co2+ ions in the system of Co-3(Mtta)(3) trigonal unit. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:572 / 575
页数:4
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