Symmetry related [DyIII6MnIII12] cores with different magnetic anisotropies

Jun-Liang Liu; Fu-Sheng Guo; Zhao-Sha Meng; Yan-Zhen Zheng; Ji-Dong Leng; Ming-Liang Tong; Liviu Ungur; Liviu F. Chibotaru; Katie J. Heroux; David N. Hendrickson

doi:10.1039/C1SC00166C

Symmetry related [Dy^III₆Mn^III₁₂] cores with different magnetic anisotropies†

Jun-Liang Liu,^a Fu-Sheng Guo,^a Zhao-Sha Meng,^a Yan-Zhen Zheng,^d Ji-Dong Leng,^a Ming-Liang Tong,*^a Liviu Ungur,^b Liviu F. Chibotaru,*^b Katie J. Heroux^c and David N. Hendrickson*^c

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^a Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry & Chemical Engineering, Sun Yat-Sen University, Guangzhou, P. R. China
E-mail: tongml@mail.sysu.edu.cn
Fax: (+)86 20 8411-2245

^b Division of Quantum and Physical Chemistry and INPAC – Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, Belgium
E-mail: Liviu.Chibotaru@chem.kuleuven.be

^c Division of Quantum and Physical Chemistry and INPAC – Institute of Department of Chemistry and Biochemistry-0358, University of California at San Diego, La Jolla, California, U.S.A
E-mail: dhendrickson@ucsd.edu

^d Applied Chemistry Research Center, Frontier Institute of Science and Technology, Xi'an JiaoTong University, Xi'an, China

Abstract

Two heterometallic [Dy^III₆Mn^III₁₂] clusters comprising of the same [Mn^III₈O₁₃] fragment, four isolated Mn^III ions and two linear [Dy^III₃] units have been synthesised. Except for the same composition, the main difference of these two cores lies in the coordination environment and the orientations of the linear [Dy^III₃] units. This difference leads to an alternation in the symmetry of the two cores that significantly modulates their magnetic properties including ground spin state and slow relaxation behavior.

Chemical Science

Symmetry related [Dy^III₆Mn^III₁₂] cores with different magnetic anisotropies†

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Symmetry related [Dy^III₆Mn^III₁₂] cores with different magnetic anisotropies

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