Binuclear tetra-acetate bridged Gd(III) complex [Gd2(μ2-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

doi:10.1016/j.ica.2015.12.029

Binuclear tetra-acetate bridged Gd(III) complex [Gd₂(μ₂-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

Advanced Science Research Center

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A binuclear tetra-acetate bridged Gd^III 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 Gd^III ions. Two Gd^III ions are bridged by two acetate in η¹:η¹:μ₂ fashion and other two in η²:η¹:μ₂ fashion. The Gd^III⋯Gd^III distance of 3.920(6) Å is shorter than 4.183(1) Å of the bis-acetate bridged Gd^III complex [{Gd^III(O₂CMe)₃(H₂O)₂}₂]·4H₂O. A weak anti-ferromagnetic Gd^III–Gd^III interaction was observed.

Original language	English
Pages (from-to)	274-278
Number of pages	5
Journal	Inorganica Chimica Acta
Volume	443
DOIs	https://doi.org/10.1016/j.ica.2015.12.029
Publication status	Published - Mar 24 2016

Keywords

Binuclear Gd complex
Magnetic interaction
Tetra-acetate bridge

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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Binuclear tetra-acetate bridged Gd(III) complex [Gd₂(μ₂-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 et al.
In: Inorganica Chimica Acta, Vol. 443, 24.03.2016, p. 274-278.

Research output: Contribution to journal › Article › peer-review

@article{9a0730f4eb8f46348c738b615658dd66,

title = "Binuclear tetra-acetate bridged Gd(III) complex [Gd2(μ2-O2CMe)4(H2L)2](ClO4)2·2H2O·2MeOH (H2L = bis(5-methylimidazol-4-yl-methylideneaminopropyl)methylamine): Synthesis, structure, and magnetic properties",

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.",

keywords = "Binuclear Gd complex, Magnetic interaction, Tetra-acetate bridge",

author = "Makoto Ito and Daisuke Hamada and Hiromasa Ono and Naohide Matsumoto and Yukinari Sunatsuki and Nazzareno Re",

note = "Funding Information: Y.S. acknowledges a support from Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan (Basic Research (C) 15K05455). Appendix A Publisher Copyright: {\textcopyright} 2016 Elsevier B.V.",

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T2 - Synthesis, structure, and magnetic properties

AU - Ito, Makoto

AU - Hamada, Daisuke

AU - Ono, Hiromasa

AU - Matsumoto, Naohide

AU - Sunatsuki, Yukinari

AU - Re, Nazzareno

N1 - Funding Information: Y.S. acknowledges a support from Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan (Basic Research (C) 15K05455). Appendix A Publisher Copyright: © 2016 Elsevier B.V.

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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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