Structural diversity and luminescent properties of europium(III) complexes with acrylic acid ligands

Jun Yan, Yongmiao Guo, Hui Li*, Xiaoping Sun, Zhen Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Three Europium complexes: [Eu(L1)3(H2O)2]2 (L1 = (E)-3-(2- hydroxyl-phenyl)-acrylic acid) (1), [[Eu(L2)3(H2O)]·H2O (L2 = (E)-3-(3-hydroxyl-phenyl)-acrylic acid) (2), and [[Eu(L3)3(H2O)2] (L3 = (E)-3-(4-hydroxyl-phenyl)-acrylic acid) (3) were synthesized and structurally analyzed by IR, elemental analysis, and the single-crystal X-ray diffraction method. Complex 1 adopts a dinuclear structure, while complexes 2 and 3 are a one-dimensional coordination polymer. The complex 2 possesses a helical H-bonding between the adjacent two chains with homochirality in crystalline solid state. All the complexes form a 3D supramolecular framework by O-H···O hydrogen bonding and π-π interaction in the crystal lattices. The solid photoluminescence of the three complexes has also been investigated at room temperature.

Original languageEnglish
Pages (from-to)298-304
Number of pages7
JournalJournal of Molecular Structure
Volume891
Issue number1-3
DOIs
Publication statusPublished - 26 Nov 2008

Keywords

  • Acrylic acid
  • Europium complex
  • Hydrogen bond
  • Supramolecular architecture

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