Synthesis and Optical Property of a New Zinc Complex Based on the Derivative of 2-(2΄-Hydroxyphenyl)-1H-benzimidazole and Phenanthroline

YIN Guo-Jie*, ZHANG Hao-Yu, TIAN Wen-Jie, ZHAO Dan, ZHANG Bin* and CHEN Dong-Mei

Chin. J. Struct. Chem. 2021, 40, 487-494  DOI: 10.14102/j.cnki.0254-5861.2011-2941

April 15, 2021

synthesis, proton transfer, intramolecular hydrogen bond

ABSTRACT

A novel zinc complex (ZnE) has been designed and synthesized based on the derivative of 2-(2΄-hydroxyphenyl)-1-H-benzimidazole (HBI) and the neutral nitrogen-containing ligand (phen). The crystal of the title complex crystallizes in the monoclinic system, space group P21/n with a = 10.2631(2), b = 34.2166(6), c = 11.4103(3) Å, β = 96.771(2)°, Mr = 844.24, V = 3978.99(14) Å3, Z = 4, the final R = 0.0400 and wR = 0.1001 for 8107 observed reflections (I > 2σ(I)). In the title complex, the free protonated phenoxide moiety (4-OH) is successfully retained to realize pseudo-intramolecular hydrogen bonds with the coordinated O atom from the other ligand.

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