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Issue 19, 2017
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Three novel mononuclear Mn(III)-based magnetic materials with square pyramidal versus octahedral geometries

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Abstract

A series of new manganese schiff base complexes have been prepared and characterized by single crystal X-ray diffraction studies, which showed that all the three complexes are mononuclear; 1 and 2 have square pyramidal geometry, whereas 3 has an octahedral geometry. Magnetic studies reveal that all these complexes exhibit (i) moderate frequency dependence of ac magnetic susceptibility at low temperature upon the application of a dc external field; (ii) significant magnetic anisotropy (D) and (iii) antiferromagnetic interaction that persist between the neighbouring molecules. Therefore, our systematic studies have shown the influence of electronic, geometric and packing effects of a new series of mononuclear manganese(III) complexes with axially elongated square pyramidal and octahedral geometries on the negative D values.

Graphical abstract: Three novel mononuclear Mn(iii)-based magnetic materials with square pyramidal versus octahedral geometries

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Publication details

The article was received on 07 Aug 2017, accepted on 15 Aug 2017 and first published on 16 Aug 2017


Article type: Paper
DOI: 10.1039/C7NJ02919E
Citation: New J. Chem., 2017,41, 10890-10898
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    Three novel mononuclear Mn(III)-based magnetic materials with square pyramidal versus octahedral geometries

    M. Dolai, A. Mondal, J. Liu and M. Ali, New J. Chem., 2017, 41, 10890
    DOI: 10.1039/C7NJ02919E

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