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Temperature-Dependent Crystal Self-Assembly, Disassembly, and Reassembly Among Three Cadmium(II) Carboxylate-Phosphinates

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journal contribution
posted on 04.04.2012 by Li-Jie Dong, Cui-Cui Zhao, Xiang Xu, Zi-Yi Du, Yong-Rong Xie, Jian Zhang
A metastable three-dimensional cadmium­(II) coordination polymer with (2-carboxyethyl)­(phenyl)­phosphinate (L2–) and 4,4′-bipyridine (bipy) as ligands, namely, [Cd­(L)­(bipy)­(H2O)2] (1), can be converted to two new two-dimensional/three-dimensional varieties under hydrothermal treatments at different temperatures, that is, [Cd­(L)­(bipy)] (2) and [Cd­(L)­(bipy)0.5]·0.5H2O (3). Their syntheses, crystal structures, structural transformations, and luminescent properties are presented. In addition, 1 shows a second harmonic generation response that is ∼0.3 times that of KDP (KH2PO4).

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