4.7 Article

Heterometallic chiral [Mn13Cu8] single-molecule magnets

期刊

DALTON TRANSACTIONS
卷 51, 期 7, 页码 2652-2655

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt04291b

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资金

  1. National Natural Science Foundation of China [22001064]
  2. Natural Science Foundation of Hunan Province [2020JJ4155]
  3. Scientific Research Project of Hunan Province Department of Education [20B105]
  4. 2021 Hunan Province College Students' Innovation Entrepreneurship Training Program [3340]

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This article describes the synthesis of an enantiomeric pair of 3d-3d heterometallic clusters in an aqueous solution without heating. The crystal structures reveal a five-layered core structure with a slightly distorted tetradecahedron composed of Mn and Cu ions. Magnetic measurements show that these clusters exhibit slow relaxation of their magnetization vectors.
An enantiomeric pair of 3d-3d heterometallic clusters of {(MnMe12Cu8II)-Me-II-Cu-III) has been synthesized in an aqueous solution without heating. The crystal structures reveal a five-layered core of {(MnMe12Cu8II)-Me-II-Cu-III}, which is a slightly distorted {(MnMn12III)-Mn-II) tetradecahedron with its eight triangular faces capped by a Cu-II ion respectively. The magnetic measurement results establish that anisotropic Mn-III atom-containing clusters L-1 and D-1 exhibit slow relaxation of their magnetization vectors.

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