2013 Fiscal Year Final Research Report
Molecular-Capsule Assemblies and Systematic Control of Molecular-based Magnets Composed of Trinuclear Macrocyclic Complexes
| Project/Area Number |
23550080
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Inorganic chemistry
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| Research Institution | Saga University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
YAMADA Yasunori 佐賀大学, 大学院・工学系研究科, 准教授 (20359946)
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| Project Period (FY) |
2011 – 2013
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| Keywords | 多核錯体 / 包接化合物 / 分子磁性 / カプセル構造 |
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| Research Abstract |
New trinuclear metal complexes with unique macrocyclic structures have been obtained by the reaction of trivalent metal sources and modified pentadentate ligands based on 2-(salicylideneamino)phenol. The entire molecular structure of these complexes is regarded as a trigonal-pyramidal geometry with 3-fold rotation axis. In the crystal packing of these complexes, two chiral pairs are loosely aggregated to form capsular conformation with a large cavity (8 x 4 x 4 A).
Two new complexes with capsular conformation including mononuclear octahedral metal complexes have been obtained. Magnetic measurements of these complexes indicate that very weak antiferromagnetic interactions are dominant. To improve the magnetic interactions, more simple terdentate ligands have been prepared. The obtained trinuclear Mn complexes with trigonal-pyramidal structure show strong ferromagnetic interactions. It is suggested the obtained trinuclear complexes can be applied as new magnetic materials.
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[Journal Article] Mikuriya, M. Handa Homo- and hetero-dinuclear nickel(II), copper(II), and oxidovanadium(IV) complexes of a Schiff-base-fused phthalocyanine with 2, 6-dimethylphenoxy and t-butyl groups2014
Author(s)
T. Ikeue, T. Fukahori, T. Mitsumune, K. Ueda, K. Fujii, S. Kurahashi, M. Koikawa, T. Sugimori, I. Hiromitsu, K. Yoshino, M. Mikuriya, M. Handa
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Journal Title
Inorganica Chimica Acta
Volume: Vol.409(B)
Pages: 433-440
DOI
Peer Reviewed
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