A pentanuclear manganese single-molecule magnet with a large anisotropy

Chen I. Yang; Wolfgang Wernsdorfer; Gene Hsiang Lee; Hui Lien Tsai

doi:10.1021/ja066533a

A pentanuclear manganese single-molecule magnet with a large anisotropy

Chen I. Yang
, Wolfgang Wernsdorfer
, Gene Hsiang Lee
, Hui Lien Tsai

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

146 Citations (Scopus)

Abstract

The reaction of MnCl₂·4H₂O (1 equiv), salicyladoxime (H₂salox) (1 equiv), and NaN₃ (1 equiv) in MeOH with NEt₄OH (1 equiv) gave (NEt₄)₃[Mn₅O(salox)₃(N₃)₆Cl₂] (2) in ∼14% yield. Ferromagnetic exchange between the five Mn ions in 2 leads to an S = 11 ground state and is established as a new single-molecule magnet with an anisotropy energy, Ueff, of 40.3K by frequency dependent out-of-phase alternating current susceptibility signals and temperature and sweep rate dependent hysteresis loops.

Original language	English
Pages (from-to)	456-457
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	129
Issue number	3
DOIs	https://doi.org/10.1021/ja066533a
Publication status	Published - 2007 Jan 24

All Science Journal Classification (ASJC) codes

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja066533a

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abstract = "The reaction of MnCl2·4H2O (1 equiv), salicyladoxime (H2salox) (1 equiv), and NaN3 (1 equiv) in MeOH with NEt4OH (1 equiv) gave (NEt4)3[Mn5O(salox)3(N3)6Cl2] (2) in ∼14\% yield. Ferromagnetic exchange between the five Mn ions in 2 leads to an S = 11 ground state and is established as a new single-molecule magnet with an anisotropy energy, Ueff, of 40.3K by frequency dependent out-of-phase alternating current susceptibility signals and temperature and sweep rate dependent hysteresis loops.",

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AU - Yang, Chen I.

AU - Wernsdorfer, Wolfgang

AU - Lee, Gene Hsiang

AU - Tsai, Hui Lien

PY - 2007/1/24

Y1 - 2007/1/24

N2 - The reaction of MnCl2·4H2O (1 equiv), salicyladoxime (H2salox) (1 equiv), and NaN3 (1 equiv) in MeOH with NEt4OH (1 equiv) gave (NEt4)3[Mn5O(salox)3(N3)6Cl2] (2) in ∼14% yield. Ferromagnetic exchange between the five Mn ions in 2 leads to an S = 11 ground state and is established as a new single-molecule magnet with an anisotropy energy, Ueff, of 40.3K by frequency dependent out-of-phase alternating current susceptibility signals and temperature and sweep rate dependent hysteresis loops.

AB - The reaction of MnCl2·4H2O (1 equiv), salicyladoxime (H2salox) (1 equiv), and NaN3 (1 equiv) in MeOH with NEt4OH (1 equiv) gave (NEt4)3[Mn5O(salox)3(N3)6Cl2] (2) in ∼14% yield. Ferromagnetic exchange between the five Mn ions in 2 leads to an S = 11 ground state and is established as a new single-molecule magnet with an anisotropy energy, Ueff, of 40.3K by frequency dependent out-of-phase alternating current susceptibility signals and temperature and sweep rate dependent hysteresis loops.

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JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

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ER -

A pentanuclear manganese single-molecule magnet with a large anisotropy

Abstract

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