A one-dimensional manganese(III)–porphyrin coordination polymer: crystal structure and photophysical properties

Author:

Chen Wen-Tong

Abstract

A novel manganese(III)–porphyrin complex, namely, catena-poly[[chloridomanganese(III)]-μ2-5,10,15,20-tetrakis(pyridin-3-yl)-21H,23H-porphinato(2−)-κ5 N 21,N 22,N 23,N 24:N 5], [MnCl(C40H24N8)] n , 1, was prepared by the hydrothermal reaction of manganese chloride with 5,10,15,20-tetrakis(pyridin-3-yl)-21H,23H-porphine. The crystal structure was determined by single-crystal X-ray diffraction. The porphyrin macrocycle exhibits a saddle-like distortion geometry. The MnIII atom has a six-coordination geometry. Each porphyrin unit links to two neighbouring units to yield a one-dimensional coordination polymer. These chains are further interlinked by hydrogen bonds to form a two-dimensional network. The complex shows red photoluminescence emission bands in ethanol solution, which can be attributed to ligand-to-ligand charge transfer (LLCT) accompanied by partial metal-to-ligand charge transfer (MLCT), as revealed by TDDFT calculations.

Funder

the open foundation of State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences

Publisher

International Union of Crystallography (IUCr)

Subject

Materials Chemistry,Inorganic Chemistry,Physical and Theoretical Chemistry,Condensed Matter Physics

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