A new dodecanuclear manganese single-molecule magnet from the arrangement of manganese triangles

Ming Hsuan Liu, Chen I. Yang, Gene Hsiang Lee, Hui-Lien Tsai

研究成果: Article

9 引文 (Scopus)

摘要

Bridging-azido ligands are used to create a new dodecanuclear manganese cluster [Mn12O4(salox)12(N3) 4(MeOH)6(H2O)2] ·5MeOH·2H2O (1·5MeOH·2H2O) from the arrangement of manganese triangles, [Mn3O]. Single-crystal x-ray analysis shows that 1·5MeOH·2H2O contains a [MnIII123-O)42- N3)4]24+ core, constructed from four [Mn III3O]7+ building units, which is a new structural type in the family of Mn12 complexes. Variable temperature magnetic susceptibility and magnetization measurements of the complex 1·5MeOH·2H2O were carried out. The magnetic data indicate that complex 1·5MeOH·2H2O exhibits antiferromagnetic with a non-zero ground state spin value of S = 4. The frequency dependence of out-of-phase component in alternating current magnetic susceptibility and magnetic hysteresis loop measurements indicate that complex 1·5MeOH·2H2O is a new single-molecule magnet with a significant magnetoanisotropy of Ueff = 70 K.

原文English
頁(從 - 到)1136-1139
頁數4
期刊Inorganic Chemistry Communications
14
發行號7
DOIs
出版狀態Published - 2011 七月 1

指紋

Manganese
Magnetic susceptibility
triangles
Magnets
manganese
magnets
magnetic permeability
Magnetic hysteresis
x ray analysis
Molecules
Hysteresis loops
Ground state
molecules
Magnetization
alternating current
hysteresis
Ligands
Single crystals
X rays
magnetization

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

引用此文

Liu, Ming Hsuan ; Yang, Chen I. ; Lee, Gene Hsiang ; Tsai, Hui-Lien. / A new dodecanuclear manganese single-molecule magnet from the arrangement of manganese triangles. 於: Inorganic Chemistry Communications. 2011 ; 卷 14, 編號 7. 頁 1136-1139.
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A new dodecanuclear manganese single-molecule magnet from the arrangement of manganese triangles. / Liu, Ming Hsuan; Yang, Chen I.; Lee, Gene Hsiang; Tsai, Hui-Lien.

於: Inorganic Chemistry Communications, 卷 14, 編號 7, 01.07.2011, p. 1136-1139.

研究成果: Article

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AB - Bridging-azido ligands are used to create a new dodecanuclear manganese cluster [Mn12O4(salox)12(N3) 4(MeOH)6(H2O)2] ·5MeOH·2H2O (1·5MeOH·2H2O) from the arrangement of manganese triangles, [Mn3O]. Single-crystal x-ray analysis shows that 1·5MeOH·2H2O contains a [MnIII12(μ3-O)4(μ2- N3)4]24+ core, constructed from four [Mn III3O]7+ building units, which is a new structural type in the family of Mn12 complexes. Variable temperature magnetic susceptibility and magnetization measurements of the complex 1·5MeOH·2H2O were carried out. The magnetic data indicate that complex 1·5MeOH·2H2O exhibits antiferromagnetic with a non-zero ground state spin value of S = 4. The frequency dependence of out-of-phase component in alternating current magnetic susceptibility and magnetic hysteresis loop measurements indicate that complex 1·5MeOH·2H2O is a new single-molecule magnet with a significant magnetoanisotropy of Ueff = 70 K.

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