Structure and photophysical and electrochemical properties of a copper porphyrin complex with a three-dimensional framework.

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ID: 92102
2020
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Abstract
Porphyrins and metalloporphyrins can generally show attractive structural motifs and interesting properties. A new copper porphyrin, namely poly[[μ-chlorido-[μ-5,10,15,20-tetrakis(pyridin-4-yl)-21H,23H-porphine]tricopper(I)] [aquadichloridocopper(II)]], {[Cu(CHN)Cl][CuCl(HO)]} (1), was synthesized by the self-assembly of copper chloride with 5,10,15,20-tetrakis(pyridin-4-yl)-21H,23H-porphine under solvothermal conditions. The structure of this copper porphyrin was characterized by single-crystal X-ray crystallography and elemental analysis. The porphyrin macrocycle shows a distorted saddle geometry, with the four pyrrole rings slightly distorted in an alternating mode either upwards or downwards. The copper ions show three-coordinated triangular and four-coordinated square-planar geometries. Every copper-porphyrin unit connects to 12 others via four μ-bridging CuCl moieties to complete the three-dimensional framework of compound 1, with isolated CuCl(HO) units located in the voids. This copper porphyrin displays a red photoluminescence. Electrochemical measurements showed that compound 1 has two redox waves (E = -160 and 91 mV).
Reference Key
chen2020structureacta Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wen Tong Chen
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Journal acta crystallographica section c, structural chemistry
Year 2020
DOI
10.1107/S2053229619017273
URL
Keywords
Cyclic voltammetry crystal structure copper photoluminescence porphyrin

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