Journal
INORGANICA CHIMICA ACTA
Volume 362, Issue 5, Pages 1441-1447Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2008.07.015
Keywords
Three Zn(II) complexes based on different organic-carboxlic acids; Synthesis and characterization; Supramolecular structure; Luminescence
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Funding
- National Natural Science Foundation of P. R. China [20772037]
- Science and Technology Planning Project of Guangdong Province [2006A10902002]
- N.S.F. of Guangdong Province [06025033]
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Three new Zn(II) complexes based on different organic-carboxylic acids, [Zn(mba)(2)(2,2'-bipy)] (1), [Zn(mpdaH)(2)(H2O)(4)] center dot 4H(2)O (2) and [Zn(cda)(2)(H2O)(2)](n) (3) (Hmba = 4-methylbenzoic acid, H(2)mpda = 2,6-dimethylpyridine-3,5-dicarboxylic acid and H(2)cda = chelidonic acid) have been synthesized successfully under hydrothermal conditions. X-ray single crystal diffractions show that compounds 1 and 2 are the mononuclear and 3 is one-dimensional chain, in which the Zn(II) centers have different coordination geometries with octahedron for 1 and 2 and tetrahedron for 3. Through pi-pi stacking and/or hydrogen bonding (O-H center dot center dot center dot O and O-H center dot center dot center dot N) interactions, different supramolecular structures are assembled, namely, 2D supramolecular layer for 1 and 3D supramolecular networks for 2 and 3. Furthermore, the IR, TGA and luminescent properties are also investigated in this work. (C) 2008 Elsevier B.V. All rights reserved.
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