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Synthesis, crystal structures, and fluorescence properties of two dinuclear cadmium(II) complexes derived from N-isopropyl-N′-(1-pyridin-2-ylethylidene)ethane-1,2-diamine

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Abstract

A new tridentate pyridyl Schiff base, N-isopropyl-N′-(1-pyridin-2-ylethylidene)ethane-1,2-diamine (L), was used to synthesize two dinuclear cadmium(II) complexes, [Cd2L2(μ 1,1-N3)2(N3)2] (1) and [Cd2L2(μ 1,3-NCS)2(NCS)2] (2). X-ray single crystal structure determination reveals that in both centrosymmetric complexes, the Cd atom is in a distorted octahedral coordination. In the crystal structures of 1 and 2, the dinuclear cadmium(II) complex molecules are linked, respectively, through intermolecular N–H···N and N–H···S hydrogen bonds to form infinite 1D chains. The preliminary fluorescence properties of the complexes were investigated.

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Acknowledgment

This study was supported by the National Natural Science Foundation of China (20901036).

Author information

Correspondence to Zhong-Lu You.

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You, Z., Wang, X., Zhang, J. et al. Synthesis, crystal structures, and fluorescence properties of two dinuclear cadmium(II) complexes derived from N-isopropyl-N′-(1-pyridin-2-ylethylidene)ethane-1,2-diamine. Struct Chem 22, 1297–1302 (2011). https://doi.org/10.1007/s11224-011-9825-9

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Keywords

  • Synthesis
  • Crystal structure
  • Schiff base
  • Cadmium complex
  • Fluorescence