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Abstract
The synthesis and characterization (by elemental analysis, magnetic measurements and spectral studies) of 1:1 and 1:2 nickel(II) complexes of 2,6-diacetylpyridine dioxime (H2dapd) are reported. The complexee [Ni(H2)(X2))] are pentacoordinate for x = C1− Br− or I− but apparently octahedral via bridging anions for X = NCS− or NCSe−. The complex [Ni(H2dapd)(NO3)2] adopts an octahedral structure involving monodentate and bidentate coordination of nitro groups. The complexes [Ni(H2dapd)2](X)2, (X = Cl−, Br−, I−, NO3, NCS− or NCSe−) involve an octahedral cation.
