Enforced 2D supramolecular structures within hydrogen-bonded molecular cocrystals

Shengli Huang, Hongwei Hou*, Liwei Mi, Yaoting Fan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Two new coordination polymers,{[Co(btmb)2(H2O)2](Fc(SO3)2)}n(1) and{[Cd(bbbm) (H2O)4] · (p-FcC6H4SO3)2(CH3OH)}n(2)(Fc = ferrocene; btmb = 1,4-bis(triazol-1-ylmethyl)- benzene); bbbm = 1,1′-(1,4-butanediyl)bis-1H-benzimidazole), were synthesized as cocrystals and characterized by single crystal X-ray diffraction, elemental analysis and IR spectrum. In 1, two btmb molecules link Co(II) ions into one 1D double-stranded chain of loops, and these chains are bridged by Fc(SO3)22- ligands through H-bonds, resulting in an infinite 2D sandwich-type network. In 2, two adjacent Cd(II) ions are interconnected by bbbm to generate a 1D zigzag chain structure, and p FcC6H4SO3- squeezes like a wedge into the adjacent chains, further being assembled by O-H . . . O hydrogen bonds and - stacking interactions to form a 2D supramolecular network.

Original languageEnglish
Pages (from-to)1964-1971
Number of pages8
JournalJournal of Coordination Chemistry
Volume62
Issue number12
DOIs
Publication statusPublished - Jun 2009
Externally publishedYes

Keywords

  • Cocrystal
  • Coordination polymer
  • Electrochemistry
  • H-bond
  • Sulfonates

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