Synthesis, crystal structure, and properties of copper(II) and manganese(II) complexes with azide and 3,4-di(2′-pyridyl)-1,2,5-oxadiazole

Na Liu, Ai Ling Cheng, Hui Qi Peng, En Qing Gao, Ming Yuan He

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Two transition metal complexes with azide and 3,4-di(2′-pyridyl)-1,2, 5-oxadiazole (dpo), [Cu2(dpo)2(N3)4] (1), and [Mn(dpo)2(N3)2] (2), have been synthesized and characterized by single-crystal X-ray diffraction. The Cu(II) complex is binuclear with double end-on (EO) azido bridges, in which each Cu(II) ion assumes a distorted square pyramidal geometry, and each EO azido bridge adopts a quasi-symmetric fashion. In contrast, the Mn(II) complex is mononuclear, in which the Mn(II) ion is ligated by two dpo ligands and two terminal azide ions, with a distorted octahedron geometry. Magnetic studies on the Cu(II) complex revealed that the double EO azido bridge mediates ferromagnetic coupling with J=12.8 cm-1.

Original languageEnglish
Pages (from-to)43-47
Number of pages5
JournalStructural Chemistry
Volume18
Issue number1
DOIs
StatePublished - Feb 2007

Keywords

  • Azides
  • Coordination compounds
  • Crystal Structure
  • Magnetism

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