Synthesis, structure, and ligand exchange of a copper(II)-based molecular helix with 2,6-pyridinedicarboxylates

Jeonghee Lee, Philjae Kang, Moon Gun Choi, Hyojong Yoo

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

An one-dimensional (1-D) metal-organic polymer, [Cu2(PDA)2(DMF)2]n (PDA = 2,6-pyridinedicarboxylate, DMF = dimethylformamide), was synthesized by reaction of copper(II) nitrate hemi(pentahydrate) and 2,6-pyridinedicarboxylic acid in DMF. The complex shows a molecular helix structure consisting of five-coordinate Cu(II) building blocks with distorted square pyramidal geometry. Tridentate chelating PDA, DMF, and an oxygen from the carboxylate of the adjacent Cu(II) building unit are coordinated to the copper(II) center. The weakly coordinated DMF groups in [Cu2(PDA)2(DMF)2]n easily exchange with a pyridine to generate a pyridine-coordinated non-helical 1-D metal-organic polymer with six-coordinate pseudooctahedral Cu(II) units.

Original languageEnglish
Pages (from-to)461-470
Number of pages10
JournalJournal of Coordination Chemistry
Volume68
Issue number3
DOIs
Publication statusPublished - 2015 Feb 1

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Materials Chemistry

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