Issue 4, 2011
From the journal:

New Journal of Chemistry

Structural diversity and properties of M(ii) phenyl substituted pyrazole carboxylate complexes with 0D-, 1D-, 2D- and 3D frameworks†

Yunnan Gong,a   Chongbo Liu,*a   Huiliang Wen,b   Liushui Yan,a   Zhiqiang Xiongc  and  Liang Dingb  

* Corresponding authors

a School of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang, Jiangxi, China
E-mail: cbliu2002@163.com
Fax: +86-791/6453231
Tel: +86-791/6453231

b State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, China

c Center for Analysis and Testing, Nanchang Hangkong University, Nanchang, Jiangxi, China

Abstract

Eight new metal complexes with two kinds of phenyl substituted pyrazole carboxylic acid, [Ni(HL1)2(H2O)2] (1), [Cu(HL1)2(H2O)2] (2), [Zn(HL1)2] (3), [Ni(HL2)2(H2O)2] (4), [Ni(HL2)2(HL3)2] (5), [Cu(HL2)2]·2H2O (6), [Zn(HL2)2] (7), [Zn2(HL2)2(L2)] (8) [H2L1 = 5-phenyl-1H-pyrazole-3-carboxylic acid; H2L2 = 3-phenyl-1H-pyrazole-4-carboxylic acid; HL3 = 3-phenyl-1H-pyrazole] were prepared by hydro/solvothermal reactions and structurally characterized. Complexes 1 and 2 have monomeric structures; 3 and 4 exhibit 1-D zig-zag chains; 5 and 6 possess 2D layer structures consisting of rhomboid grids; 7 features a 2-fold interpenetrated 3-D diamondoid framework; while complex 8 holds a 3-D NaCl-like framework. Hydrogen bonding and aromatic π–π stacking interactions link the eight complexes into 2-D (1–3) or 3-D (4–8) supramolecular networks, of which 5, 6 and 8 contain single, single and double-stranded helical chains, respectively. The thermal stabilities of complexes 1–8 and photophysical properties of complexes 3 and 7 were investigated.

Graphical abstract: Structural diversity and properties of M(ii) phenyl substituted pyrazole carboxylate complexes with 0D-, 1D-, 2D- and 3D frameworks

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Article information

DOI
https://doi.org/10.1039/C0NJ00904K
Article type
Paper
Submitted
17 Nov 2010
Accepted
24 Jan 2011
First published
18 Feb 2011

New J. Chem., 2011,35, 865-875

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Structural diversity and properties of M(II) phenyl substituted pyrazole carboxylate complexes with 0D-, 1D-, 2D- and 3D frameworks

Y. Gong, C. Liu, H. Wen, L. Yan, Z. Xiong and L. Ding, New J. Chem., 2011, 35, 865 DOI: 10.1039/C0NJ00904K

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