Heteronuclear Trimetallic and 1D Polymeric 3D-4F Schiff Base Complexes with OCN- and SCN- Ligands

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Date

2009-09

Authors

Zhao, Shunsheng
Lu, Xingqiang
Hou, Anxin
Wong, Wai-Yeung
Wong, Wai-Kwok
Yang, Xiaoping
Jones, Richard A.

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Abstract

Reactions of heterobimetallic 3d-4f Schiff base complexes of the formula [ZnLnL(H2O)(NO3)(3)] (1a-e) with KOCN or NH4SCN in refluxing MeCN produce either one dimensional polymeric materials ZnLnL(NO3)(2)(H2O)(OCN) (2a-c) or trinuclear complexes of the formula [Zn(2)LnL(2)(NO3)(SCN)(2)] (3a-e)(a(La), b(Nd), c(Er), d(Tb), e(Eu); H2L = N, N'-bis-(3-methoxysalicylidene)ethylene-1,2-diamine). The structures of 2a,b and 3b-e have been determined by single-crystal X-ray diffraction studies. Structural differences between the complexes affect the photophysical properties, which have been studied in acetonitrile solutions.

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Zhao, Shunsheng, Xingqiang Lü, Anxin Hou, Wai-Yeung Wong, Wai-Kwok Wong, Xiaoping Yang, and Richard A. Jones. "Heteronuclear trimetallic and 1D polymeric 3d–4f Schiff base complexes with OCN? and SCN? ligands." Dalton Transactions 43 (Sep., 2009): 9595-9602.