Linking Bridged Tetracopper Complexes with Neutral Dipyridyl Compounds to Coordination Polymers and Discrete Metalacages

Ler Chun Shiu, Jen Han Chuang, Tian Shung Wu, Kom Bei Shiu

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1 Citation (Scopus)

Abstract

The bridged tetracopper(I) complex [{Cu2(μ-dppm)2}2(μ-(1,3-O2CC6H4 (CO2)2)](BF4)2 (2(BF4)2) was prepared. This complex and the neutral dipyridyl compounds (NN; NN = 4,4′-bipyridine (bpy), 1,2-bis(4-pyridyl)ethane (bpa), 4,4′-trimethylenedipyridine (tmp)) can form dynamic equilibria in CH2Cl2. From the equilibrium mixtures containing 2(BF4)2 and NN with 2(BF4)2/NN = 1:1, different supramolecular compounds were obtained as single crystals, and their structure were determined by X-ray crystallography. The flexibility of NN is found to be important in determining the outcome of the reactions with a rigid bpy, leading to the formation of the coordination polymer [{Cu2(μ-dppm)2}2(μ-1,3-C6H4 (CO2)2)(μ-bpy)] n (BF4)2n (3(BF4)2n), whereas with flexible bpa and tmp direct the formation of the metalacages [{Cu2(μ-dppm)2}2(μ-1,3-C6H4 (CO2)2)(μ-NN)](BF4)2 (NN = bpa, 4(BF4)2; tmp, 5(BF4)2), respectively, as supported by density functional theory (DFT) calculation results.

Original languageEnglish
Pages (from-to)404-411
Number of pages8
JournalJournal of the Chinese Chemical Society
Volume64
Issue number4
DOIs
Publication statusPublished - 2017 Apr 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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