Syntheses and metal complexes of a quadridentate NNSS ligand derived from S-benzyl dithiocarbazate (H 2L) and crystal structure of the complex CuL

The quadridentate N 2S 2 Schiff base ligand, H 2L, prepared by the condensation of S-benzyl dithiocarbazate with 1,4-bis (2′-formylphenyl)-1,4-dioxabutane in a 2:1 molar ratio, reacts with divalent metal ions to form the neutral metal complexes, ML (M=Ni, Cu, Zn). The complexes have been characteriz...

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Bibliographic Details
Published in:Polyhedron 1998-01, Vol.18 (1), p.181-185
Main Authors: Zhu, Xu-Hui, Liu, Shu-Hua, Liu, Yong-Jiang, Ma, Jing, Duan, Cun-Ying, You, Xiao-Zeng, Tian, Yu-Peng, Xie, Fu-Xing, Ni, Shi-Sheng
Format: Article
Language:English
Subjects:
Crystal structure
Dimeric metal complexes
ESR
Quadridentate Schiff base ligand
Syntheses
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Summary:The quadridentate N 2S 2 Schiff base ligand, H 2L, prepared by the condensation of S-benzyl dithiocarbazate with 1,4-bis (2′-formylphenyl)-1,4-dioxabutane in a 2:1 molar ratio, reacts with divalent metal ions to form the neutral metal complexes, ML (M=Ni, Cu, Zn). The complexes have been characterized by physico-chemical techniques and the single crystal X-ray structure of the Cu (II) complex shows the geometry around the metal atom to be distorted square planar. The monomeric units are weakly associated into dimers via a long Cu–S interaction [2.9519 (8) Å].
ISSN:0277-5387
DOI:10.1016/S0277-5387(98)00282-4