Self-assembly of a nonanuclear nickel(II) complex and its magnetic properties |
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| Authors: | Khanra Sumit Weyhermüller Thomas Rentschler Eva Chaudhuri Phalguni |
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| Institution: | Institute for Inorganic and Analytical Chemistry, University of Mainz, D-55128 Mainz, Germany. |
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| Abstract: | A nonanuclear nickel(II) complex Ni9(PyA)(10)(mu3-OH)2(mu2-OH)2(mu2-OH2)2(H2O)6](ClO4)4.12H2O, containing pyridine-2-aldoximato monoanion, PyA, has been structurally and magnetochemically characterized. The nickel(II) ions, linked together via several bi- or trifurcated oximato, hydroxo, and water bridges, are antiferromagnetically coupled with the coupling constants J1 = -26.5 cm(-1) and J2 = -7.0 cm(-1), resulting in a ground state of S(t) = 1. |
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