Two-dimensional coordination polymers of Zn(II) and Cd(II) derived from 3,3′,5,5′-azobenzenetetracarboxylic acid exhibiting solvent facilitated structure reversibility

Anjian Lan, Moothetty Padmanabhan, Kunhao Li, Haohan Wu, Thomas J. Emge, Maochun Hong, Jing Li

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Two Cd(II) and Zn(II) coordination polymers based on 3,3′,5,5′- azobenzenetetracarboxylic acid (H4abtc): [Cd2(abtc)(H 2O)6]·DMF·0.5H2O (1) and [Zn 2(abtc)(bpy)(H2O)2]·DMF·H 2O (2) are synthesized and structurally characterized. Both 1 and 2 are 2D polymers but interconnected by solvent molecules to generate 3D suprastructures. Solvent expulsion leads to rupture of both structures, but upon re-exposure to the solvent mixture they exhibit remarkable ability to regain the original structure reversibly from the almost amorphous solvent-expelled form. Compounds with such structural flexibility and reversibility are expected to have some useful functionality.

Original languageEnglish
Pages (from-to)68-75
Number of pages8
JournalInorganica Chimica Acta
Volume366
Issue number1
DOIs
Publication statusPublished - Jan 1 2011

Keywords

  • Cd(II)
  • Coordination polymer
  • Solvent facilitated structure reversibility
  • Tetracarboxylate
  • Zn(II)

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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