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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hagiwara, Masayuki Kawata, Satoshi Fuyuhiro, Akira Kimura, Shojiro Takeuchi, Tetsuya Kashiwagi, Takanari Kindo, Koichi Ishikawa, Ryuta Kaizaki, Sumio Nakano, Motohiro |
| Description | Author Affiliation: Ishikawa R ( Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan.) |
| Abstract | A novel topologically frustrated pentanuclear cluster helicate $[\{Cu^{II}(μ-L)_{3}\}_{2}Cu^{II}_{3}(μ_{3}-OH)]^{3+}$ $(L^{−}=3,5-bis(2-pyridyl)pyrazolate)$ has been synthesized and characterized. This cluster has a helical arrangement of ligands around the central metal core. Dzyaloshinsky–Moriya interactions are essential components to observe a gradual magnetization and forbidden transitions of high-field/multi-frequency (HF/MF)-ESR. The origin of the magnetic anisotropy of this compound is influenced by its helical spin structure, and consequently, the $Cu_{5}-cluster$ helicate introduces a unique magnetic anisotropy. This observation is a direct evidence of the topological part of the new spin phase in a magnetic system. |
| ISSN | 09476539 |
| e-ISSN | 15213765 |
| Journal | Chemistry - A European Journal |
| Issue Number | 36 |
| Volume Number | 16 |
| Language | English |
| Publisher | Wiley-VCH;ChemPubSoc Europe |
| Publisher Date | 2010-09-24 |
| Publisher Place | Germany |
| Access Restriction | Open |
| Subject Keyword | Copper Chemistry Organometallic Compounds Crystallography, X-Ray Ligands Molecular Structure Research Support, Non-U.S. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Catalysis |
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