New coordination polymers generated from oxadiazole-containing bidentate ligands and Cu-Cu dimetal units

被引：34
作者：
Dong, YB
Ma, JP
Smith, MD
Huang, RQ
Tang, B
Chen, D
zur Loye, HC [1 ]
机构：
[1] Shandong Normal Univ, Dept Chem, Jinan 250014, Peoples R China
[2] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA
来源：
SOLID STATE SCIENCES | 2002年 / 4卷 / 10期
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
coordination polymers; framework materials; pi-pi stacking; (1,3,4)-oxadiazole-containing ligands; Cu-Cu unit;
D O I：
10.1016/S1293-2558(02)00014-6
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new coordination polymers that contain di-copper (Cu-2) units have been prepared using Cu(OAc)(2) H2O in combination with, (1,3,4)oxadiazole organic ligands L-1 and L-2 in MeOH. The compounds were characterized by single crystal X-ray diffraction, IR spectroscopy, and thermogravimetric analysis. The structure of compound 1 (monoclinic, C2/c, a= 19.9952(14) Angstrom, b = 7.5005(5) Angstrom, c = 16.0442(11) Angstrom; beta = 109.000(10)degrees, V = 2275.1(3) Angstrom(3), Z = 4) features 1-D zigzag chains that are cross-linked into a novel three-dimensional network by weak noncovalvent pi-pi interactions between the 3-pyridyl rings on the L-1 ligand. Compound. 2 (monoclinic, C2/c, a = 27:428(2) A, b = 13.3833(11) Angstrom, c = 8.6339(7) Angstrom, beta = 103.973(2)degrees, V = 3075.5(4) Angstrom(3), Z = 4) also features a zigzag chain motif. In the solid state, small and large hexagonal channels are found in 1 and 2, respectively. Compounds 1 and 2 are new examples of metal dimer-containing coordination polymers. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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页码：1313 / 1320
页数：8
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