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Synthesis, structure and magnetism of manganese and iron dipicolinates with N,N′-donor ligands

Uhrecký, Róbert and Svoboda, Ingrid and Růžičková, Zdeňka and Koman, Marian and Dlháň, Ľubor and Pavlik, Ján and Moncol, Ján and Boča, Roman (2015):
Synthesis, structure and magnetism of manganese and iron dipicolinates with N,N′-donor ligands.
425, In: Inorganica Chimica Acta, pp. 134-144. ELSEVIER SCIENCE SA, Switzerland, ISSN 00201693,
[Article]

Abstract

New ionic manganese(II/III), manganese(III) and iron(II/III) complexes of the formula [Mn-II(H2O)(2)(phen)(2)]{[Mn-III(dipic)(2)]}(2)center dot 7H(2)O, (dmphenH)[Mn-III(dipic)(2)]center dot 2H(2)O, (2,2'-bipyH)[Mn-III(dipic)(2)]center dot 3H(2)O, (4,4'-bipyH)[Mn-III(dipic)(2)]center dot 4H(2)O, [Fe-II(phen)(3)]{[Fe-III(dipic)(2)]}(2)center dot 4.83H(2)O and [Fe-II(2,2'-bipy)(3)]{[Fe-III(dipic)(2)]}(2)center dot 6.11H(2)O where dipic(2-) = pyridine-2,6-dicarboxylate anion, phen = 1,10-phenanthroline, dmphenH = 2,9-dimethyl-1,10-phenanthrolinium cation, 2,2'-bipyH = 2-(2-pyridyl)pyridinium cation, 4,4'-bipyH = 4-(4-pyridyl)pyridinium cation, have been prepared and characterized by the single-crystal X-ray structure analysis, infrared spectroscopy, and by magnetic susceptibility and magnetization measurements. A zero field splitting was found in the Mn(III) dipicolinates while an antiferromagnetic exchange interaction was present in the Fe(III) dipicolinates. (C) 2014 Elsevier B.V. All rights reserved.

Item Type: Article
Erschienen: 2015
Creators: Uhrecký, Róbert and Svoboda, Ingrid and Růžičková, Zdeňka and Koman, Marian and Dlháň, Ľubor and Pavlik, Ján and Moncol, Ján and Boča, Roman
Title: Synthesis, structure and magnetism of manganese and iron dipicolinates with N,N′-donor ligands
Language: English
Abstract:

New ionic manganese(II/III), manganese(III) and iron(II/III) complexes of the formula [Mn-II(H2O)(2)(phen)(2)]{[Mn-III(dipic)(2)]}(2)center dot 7H(2)O, (dmphenH)[Mn-III(dipic)(2)]center dot 2H(2)O, (2,2'-bipyH)[Mn-III(dipic)(2)]center dot 3H(2)O, (4,4'-bipyH)[Mn-III(dipic)(2)]center dot 4H(2)O, [Fe-II(phen)(3)]{[Fe-III(dipic)(2)]}(2)center dot 4.83H(2)O and [Fe-II(2,2'-bipy)(3)]{[Fe-III(dipic)(2)]}(2)center dot 6.11H(2)O where dipic(2-) = pyridine-2,6-dicarboxylate anion, phen = 1,10-phenanthroline, dmphenH = 2,9-dimethyl-1,10-phenanthrolinium cation, 2,2'-bipyH = 2-(2-pyridyl)pyridinium cation, 4,4'-bipyH = 4-(4-pyridyl)pyridinium cation, have been prepared and characterized by the single-crystal X-ray structure analysis, infrared spectroscopy, and by magnetic susceptibility and magnetization measurements. A zero field splitting was found in the Mn(III) dipicolinates while an antiferromagnetic exchange interaction was present in the Fe(III) dipicolinates. (C) 2014 Elsevier B.V. All rights reserved.

Journal or Publication Title: Inorganica Chimica Acta
Volume: 425
Publisher: ELSEVIER SCIENCE SA, Switzerland
Uncontrolled Keywords: Manganese, Iron, Dipicolinate complexes, Crystal structure, Magnetism
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Structure Research
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 21 Jan 2016 10:28
Official URL: http://dx.doi.org/10.1016/j.ica.2014.10.006
Identification Number: doi:10.1016/j.ica.2014.10.006
Funders: Slovak grant agencies (VEGA1/0056/13, VEGA 1/0388/14, APVV 0014-11) are acknowledged for the financial support.
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