Structure and Magnetic Properties of a Single-strand Helical Cobalt(II) Coordination Polymer

被引：5

作者：

Chen, Quan-Li ^{[1
,2
]}

Chen, Jing-Zhong ^{[1
]}

Wang, Xian-wen ^{[1
,3
]}

Zhang, Yong-Hua ^{[3
]}

机构：

[1] China Univ Geosci, Fac Chem Engn & Mat Sci, Wuhan 430074, Hubei, Peoples R China

[2] China Univ Geosci, Gemmol Inst, Wuhan 430074, Hubei, Peoples R China

[3] S China Univ Technol, Fac Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2009年 / 64卷 / 03期

基金：

中国博士后科学基金;

关键词：

Cobalt(II); Crystal Structure; Magnetic Properties; COMPLEXES; 1,10-PHENANTHROLINE-5,6-DIONE; LIGAND; METALS; STATES;

D O I：

10.1515/znb-2009-0315

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The one-dimensional helical chain-like coordination polymer [Co(bpdc)(H2O)(3)]center dot H2O (1) has been synthesized by hydrothermal reaction of pdon with CO(NO3)(2)center dot 6H(2)O and Na2B4O7 (bpdc = 2,2'-bipyridyl-3,3'-dicarboxylate, pdon = 1,10-phenanthroline-5,6-diotie). 1 crystallizes in the monoclinic space group P2(1)/n with the cell parameters: a = 9.987(1), b = 9.238(1), c = 16.080(2) angstrom, beta = 97.471(1)degrees, V = 1471.0(3)angstrom(3), Z = 4. The bpdc ligand has resulted from in in situ carbon-carbon bond cleavage in the pdon ligand. The Co(II) atom is Surrounded by two nitrogen atoms of the bpdc pyridyl groups and four 0 atoms, of which three belong to coordinated water molecules and one to a p c car oxylate group. The six-coordinated Co(II) atom a opts a distorted octahedral geometry. compound 1 displays antiferromagnetic interactions. Above 30 K, chi m(-1) obeys the Curie-Weiss law with C = 3.12 cm(3) K mol(-1) and Theta = -10.6 K.

引用

页码：335 / 338

页数：4

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