Please use this identifier to cite or link to this item: https://doi.org/10.1021/ic5029788
Title: Tetraanionic Biphenyl Lanthanide Complexes as Single-Molecule Magnets
Authors: Huang, Wenliang
Le Roy, Jennifer J
Khan, Saeed I
Ungur, Liviu 
Murugesu, Muralee
Diaconescu, Paula L
Keywords: Science & Technology
Physical Sciences
Chemistry, Inorganic & Nuclear
Chemistry
ANISOTROPY
BLOCKING
STATE
ION
SYMMETRY
BEHAVIOR
SYSTEMS
Issue Date: 2-Mar-2015
Publisher: AMER CHEMICAL SOC
Citation: Huang, Wenliang, Le Roy, Jennifer J, Khan, Saeed I, Ungur, Liviu, Murugesu, Muralee, Diaconescu, Paula L (2015-03-02). Tetraanionic Biphenyl Lanthanide Complexes as Single-Molecule Magnets. INORGANIC CHEMISTRY 54 (5) : 2374-2382. ScholarBank@NUS Repository. https://doi.org/10.1021/ic5029788
Abstract: Inverse sandwich biphenyl complexes [(NNTBS)Ln]2(μ-biphenyl)[K(solvent)]2 [NNTBS = 1,1′-fc(NSitBuMe2)2; Ln = Gd, Dy, Er; solvent = Et2O, toluene; 18-crown-6], containing a quadruply reduced biphenyl ligand, were synthesized and their magnetic properties measured. One of the dysprosium biphenyl complexes was found to exhibit antiferromagnetic coupling and single-molecule-magnet behavior with Ueff of 34 K under zero applied field. The solvent coordinated to potassium affected drastically the nature of the magnetic interaction, with the other dysprosium complex showing ferromagnetic coupling. Ab initio calculations were performed to understand the nature of magnetic coupling between the two lanthanide ions bridged by the anionic arene ligand and the origin of single-molecule-magnet behavior.
Source Title: INORGANIC CHEMISTRY
URI: https://scholarbank.nus.edu.sg/handle/10635/228719
ISSN: 0020-1669
1520-510X
DOI: 10.1021/ic5029788
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