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Synthesis, Characterization and Magnetic Studies of a Tetranuclear Manganese(II/IV) Compound Incorporating an Amino-Alcohol Derived Schiff Base

1
Department of Chemistry, Jadavpur University, Raja S. C. Mullick Road, Kolkata 700032, India
2
Department of Basic Engineering Science and Humanities, Netaji Subhash Engineering College, Panchpota, Kolkata 700152, India
3
Department of Chemistry, Jalpaiguri Government Engineering College, Jalpaiguri 735102, India
4
School of Engineering and Physical Sciences, Heriot Watt University, Edinburgh EH144AS, UK
5
Instituto de Ciencia Molecular (ICMol), Departamento de Química Inorgánica, Universidad de Valencia, 46980 Paterna, Spain
*
Author to whom correspondence should be addressed.
Magnetochemistry 2018, 4(4), 57; https://doi.org/10.3390/magnetochemistry4040057
Received: 31 October 2018 / Revised: 2 December 2018 / Accepted: 6 December 2018 / Published: 11 December 2018
(This article belongs to the Special Issue A Themed Issue in Honor of Late Professor Samiran Mitra)
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Abstract

A new tetranuclear mixed-valence manganese(II/IV) compound [MnIIMnIV3(μ-Cl)33-O)(L)3] (1) (where H3L = (3E)-3-((Z)-4-hydroxy-4-phenylbut-3-en-2-ylideneamino)propane-1,2-diol) has been synthesized and characterized by different physicochemical methods. Single crystal X-ray diffraction analysis reveals that 1 is a tetrahedral cluster consisting of a Mn4Cl3O4 core in which the only Mn(II) ion is joined through three μ2-O bridges to an equilateral triangle of Mn(IV) ions, which are connected by a μ3-O and three μ2-Cl bridges. The redox behavior of 1 was studied by cyclic voltammetry. Variable temperature magnetic susceptibility measurements of 1 revealed predominant antiferromagnetic coupling inside the Mn4Cl3O4 cluster. View Full-Text
Keywords: tetranuclear cluster; manganese(II/IV); Schiff base; crystal structure; tetrahedral clusters; electrochemistry; antiferromagnetic coupling tetranuclear cluster; manganese(II/IV); Schiff base; crystal structure; tetrahedral clusters; electrochemistry; antiferromagnetic coupling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Nandy, M.; Shit, S.; Rosair, G.; Gómez-García, C.J. Synthesis, Characterization and Magnetic Studies of a Tetranuclear Manganese(II/IV) Compound Incorporating an Amino-Alcohol Derived Schiff Base. Magnetochemistry 2018, 4, 57.

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