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Journal of Cluster Science

, Volume 29, Issue 6, pp 1345–1352 | Cite as

A Single-Molecule Magnet Tetranuclear [Mn 3 III MnIVO3Cl] Complex with Bis(diisopropylphosphinyl)imide Ligands

  • Ying Zhang
  • Jing-Jing Zhang
  • Ai-Quan Jia
  • Zhi-Feng Xin
  • Qian-Feng Zhang
Original Paper
  • 29 Downloads

Abstract

Treatment of Mn(OAc)2·4H2O with 3 equiv. HN(iPr2PO)2 in the presence of nBu4NCl in acetonitrile resulted in isolation of a tetranuclear {Mn 3 III MnIV} complex [Mn4(μ3-O)3(μ3-Cl)(μ-OAc)3{N(iPr2PO)2}3]·0.5C6H14 (1·0.5C6H14), and a dinuclear {MnIIMnIII} complex [Mn2{N(iPr2PO)2}{μ2,η3-(iPrPO2)NH(iPr2PO)}2{η2-(iPrPO2)NH(iPr2PO)}2]·0.25AcOH (2·0.25AcOH) with bis(diisopropylphosphinyl)imide ligands. The solid-state structures of two complexes have been established by single-crystal X-ray crystallography. The tetranuclear complex 1 belongs to a family of {Mn 3 III MnIVO3X} single-molecule magnets (SMMs) with effective energy barrier of 14.3 K by some further magnetic characterizations.

Graphical Abstract

A [Mn 3 III MnIVO3Cl]-core-based [Mn4(μ3-O)3(μ3-Cl)(OAc)3{N(iPr2PO)2}3] complex with single-molecule magnet (SMM) behaviour was prepared and structurally characterized, exhibiting slow magnetization relaxation under zero applied dc field with τ0 = 9.0 × 10−7 s and relaxation barrier Ueff = 14.3 K.

Keywords

Manganese Single molecule magnet (SMM) Mixed-valence manganese complex Bis(diisopropylphosphinyl)imide ligand Crystal structure 

Notes

Acknowledgements

This project was supported by the Natural Science Foundation of China (Grant No. 21471003). We thank Prof. Annie K. Powell for the magnetic measurements.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Molecular Engineering and Applied ChemistryAnhui University of TechnologyMa’anshanPeople’s Republic of China

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