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)
Abstract
A new tetranuclear mixed-valence manganese(II/IV) compound [MnIIMnIV3(μ-Cl)3(µ3-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-TextKeywords:
tetranuclear cluster; manganese(II/IV); Schiff base; crystal structure; tetrahedral clusters; electrochemistry; antiferromagnetic coupling
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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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