期刊
ARABIAN JOURNAL OF CHEMISTRY
卷 10, 期 -, 页码 S1003-S1013出版社
ELSEVIER
DOI: 10.1016/j.arabjc.2013.01.002
关键词
Ni(II) complexes; Hydrazides; Spectral analysis; Cyclic voltammetry; Thermal analysis
A series of Ni(II)-hydrazide complexes were prepared using derivatives of hydrazide ligands. The variation of organic ligand elaborates the mode of coordination of the organic compound referring to the addition of coordinating sites besides the NH-NH-CO group. The octahedral configuration is the major form proposed with most isolated complexes. Mass spectra were used to assure the molecular formula proposed based on the elemental analysis data for most investigated compounds. Thermal analysis as well as kinetic data supports the formula of all investigated complexes especially the presence of coordinating water molecules with most of them. Electrochemical measurements assert the stability of Ni(II) oxidation state during the complexation which may be affected during the coordination reaction. pH metric studies as well as the molecular modeling optimization reflect a shadow on the stability of the isolated complexes in solution or in solid state, respectively. (C) 2013 Production and hosting by Elsevier B.V. on behalf of King Saud University.
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