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Syntheses, Crystal Structures and Magnetic Properties of Two Nickel(II) Compounds with 4,4´- Bipyridine Ligands
-
Xiao-Ke Yu
and
Hong-Lin Zhu
Published/Copyright:
June 2, 2014
Hydrothermal reactions of 4,4´-bipyridine, benzoic acid/p-methylbenzoic acid, Ni(NO3)2 · 6H2O and NH4OH yielded [Ni(bpy)1.5(H2O)2(BA)2]·H2O (1) and [Ni(bpy)(HMBA)(MBA)2]n (2) (bpy = 4,4´-bipyridine, HBA = benzoic acid, HMBA = p-methylbenzoic acid). The Ni(II) ions of compound 1 are six-coordinated and bridged by 4,4´-bipyridine ligands to form a binuclear structure while complex 2 features polymeric chains which are connected by 4,4´-bipyridine molecules. Variabletemperature magnetic susceptibility measurements from 300 to 30 K showed the presence of weak ferromagnetic interactions between the Ni(II) (S = 1) ions via the 4,4´-bipyridine bridges.
Graphical Abstract
Syntheses, Crystal Structures and Magnetic Properties of Two Nickel(II) Compounds with 4,4´- Bipyridine Ligands
Received: 2013-9-22
Published Online: 2014-6-2
Published in Print: 2014-1-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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Keywords for this article
Ni(II) Complexes;
Hydrothermal Reactions;
Benzoic Acid;
Bipyridyl;
Magnetism
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- Fluorodinitroethyl Ortho-carbonate and -formate as Potential High Energy Dense Oxidizers
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