Binuclear tetra-acetate bridged Gd(III) complex [Gd22-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH (H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine): Synthesis, structure, and magnetic properties

Makoto Ito, Daisuke Hamada, Hiromasa Ono, Naohide Matsumoto, Yukinari Sunatsuki, Nazzareno Re

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A binuclear tetra-acetate bridged GdIII complex [Gd22-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH was synthesized, where H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine. The linear polydentate ligand H2L functions as a binding group to two GdIII ions. Two GdIII ions are bridged by two acetate in η112 fashion and other two in η212 fashion. The GdIII⋯GdIII distance of 3.920(6) Å is shorter than 4.183(1) Å of the bis-acetate bridged GdIII complex [{GdIII(O2CMe)3(H2O)2}2]·4H2O. A weak anti-ferromagnetic GdIII–GdIII interaction was observed.

Original languageEnglish
Pages (from-to)274-278
Number of pages5
JournalInorganica Chimica Acta
Volume443
DOIs
Publication statusPublished - Mar 24 2016

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4-methylimidazole
acetates
Magnetic properties
Acetates
magnetic properties
Ions
synthesis
Ligands
ions
ligands
perchlorate
methylamine
interactions

Keywords

  • Binuclear Gd complex
  • Magnetic interaction
  • Tetra-acetate bridge

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Binuclear tetra-acetate bridged Gd(III) complex [Gd22-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH (H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine) : Synthesis, structure, and magnetic properties. / Ito, Makoto; Hamada, Daisuke; Ono, Hiromasa; Matsumoto, Naohide; Sunatsuki, Yukinari; Re, Nazzareno.

In: Inorganica Chimica Acta, Vol. 443, 24.03.2016, p. 274-278.

Research output: Contribution to journalArticle

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abstract = "A binuclear tetra-acetate bridged GdIII complex [Gd2(μ2-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH was synthesized, where H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine. The linear polydentate ligand H2L functions as a binding group to two GdIII ions. Two GdIII ions are bridged by two acetate in η1:η1:μ2 fashion and other two in η2:η1:μ2 fashion. The GdIII⋯GdIII distance of 3.920(6) {\AA} is shorter than 4.183(1) {\AA} of the bis-acetate bridged GdIII complex [{GdIII(O2CMe)3(H2O)2}2]·4H2O. A weak anti-ferromagnetic GdIII–GdIII interaction was observed.",
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N2 - A binuclear tetra-acetate bridged GdIII complex [Gd2(μ2-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH was synthesized, where H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine. The linear polydentate ligand H2L functions as a binding group to two GdIII ions. Two GdIII ions are bridged by two acetate in η1:η1:μ2 fashion and other two in η2:η1:μ2 fashion. The GdIII⋯GdIII distance of 3.920(6) Å is shorter than 4.183(1) Å of the bis-acetate bridged GdIII complex [{GdIII(O2CMe)3(H2O)2}2]·4H2O. A weak anti-ferromagnetic GdIII–GdIII interaction was observed.

AB - A binuclear tetra-acetate bridged GdIII complex [Gd2(μ2-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH was synthesized, where H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine. The linear polydentate ligand H2L functions as a binding group to two GdIII ions. Two GdIII ions are bridged by two acetate in η1:η1:μ2 fashion and other two in η2:η1:μ2 fashion. The GdIII⋯GdIII distance of 3.920(6) Å is shorter than 4.183(1) Å of the bis-acetate bridged GdIII complex [{GdIII(O2CMe)3(H2O)2}2]·4H2O. A weak anti-ferromagnetic GdIII–GdIII interaction was observed.

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