Hydrothermal Synthesis, Crystal Structure and Magnetic Properties of Lithium Manganese Complex of Benzene-Hexacarboxylic Acid (Mellitic Acid)

Guang Xiang Liu, Heng Xu, Sadafumi Nishihara, Xiao Ming Ren

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A new mellitate complex LiMn[C 6(COO) 6] 0.5(H 2O) 2 (1) has been synthesized by the reaction of mellitic acid and Mn(OAc) 2·4H 2O in the presence of LiOH·H 2O. 1 was characterized by the elemental analyses, IR spectra, TGA and the single crystal X-ray diffraction. X-ray crystal structural analysis revealed that the Li cation has a distorted tetrahedral geometry, coordinated by three carboxylic oxygen atoms and one water molecule. The Mn cation is coordinated to one water molecule and five carboxylic oxygen atoms in a slightly distorted octahedral coordination geometry. The mellitate anions behave as a bridging ligand and link six lithium ions and eight manganese ions repeatedly to form an interesting three-dimensional metal-organic coordination polymer. Variable-temperature magnetic susceptibility measurements indicate the presence of antiferromagnetic behavior.

Original languageEnglish
Pages (from-to)564-569
Number of pages6
JournalJournal of Inorganic and Organometallic Polymers and Materials
Volume20
Issue number3
DOIs
StatePublished - 2010
Externally publishedYes

Keywords

  • Crystal structure
  • Lithium manganese complex
  • Magnetism
  • Multicarboxylate ligand

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