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首页> 外文期刊>Crystal growth & design >Solid-state coordinative behavior of a new asymmetrical bis-hydrazone ligand containing two different binding pockets
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Solid-state coordinative behavior of a new asymmetrical bis-hydrazone ligand containing two different binding pockets

机译：包含两个不同结合口袋的新型不对称双co配体的固态配位行为

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摘要

The potentially multidentate (O_2N-NO) trianionic bis(bencylhydrazone) derived from 4-hydroxyisophthaldehyde (H_3L) ligand has been synthesized and characterized. The coordinative behavior of the ligand has been explored toward different M~(II) salts (M = Co, Ni, Zn, and Cu), and four complexes, of general formula [M(HL)]·solv (2·solv = molecules of water, dmf, or dmso), have been isolated and characterized. Furthermore, the species [M(H_2L)_2] ·solv (M = Co, 1a·solv; M = Ni, 1b·solv; solv = molecules of water and/or dmf), where the ligand is monodeprotonated and tridentate, has also been detected. The structures of H_3L, four solvates of {[Cu(HL)]·solv}_n (2c·solv), 1a·5H_2O, and 1b·H_2O·3dmf were determined by single-crystal X-ray diffraction. The effect of weak interactions on the crystal packing has also been analyzed. The thermal stability and the structural dynamics of the 2c·solv systems have also been investigated.
机译：合成并表征了潜在的多齿（O_2N-NO）三阴离子双（苯并hydr）衍生自4-羟基异乙醛（H_3L）配体。研究了配体对不同的M〜（II）盐（M = Co，Ni，Zn和Cu）和四种配合物的配位行为，通式为[M（HL）]·solv（2·solv =水分子（dmf或dmso）已分离并鉴定。此外，配体被单去质子化和三齿的[M（H_2L）_2]·solv（M = Co，1a·solv; M = Ni，1b·solv; solv =水和/或dmf分子）具有也被检测到。通过单晶X射线衍射确定H_3L，{[Cu（HL）]·solv} _n（2c·solv），1a·5H_2O和1b·H_2O·3dmf的四个溶剂化物的结构。还分析了弱相互作用对晶体堆积的影响。还研究了2c·solv系统的热稳定性和结构动力学。

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