Thermal
studies on nickel(II) 4-iodopyrazole complexes |
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| Authors: | P M Takahashi Regina C G Frem A V G Netto A E Mauro J R Matos |
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| Institution: | 1.Instituto de Química de Araraquara,UNESP,Araraquara,Brazil;2.Instituto de
Química,USP,S?o
Paulo,Brazil |
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| Abstract: | This work describes the synthesis, IR and UV-Vis spectroscopic characterization
as well the thermal behavior of the NiCl2(HIPz)4]⋅C3H6O (1), Ni(H2O)2(HIPz)4](NO3)2 (2), Ni(NCS)2(HIPz)4]
(3) and Ni(N3)2(HIPz)4]
(4) (HIPz=4-iodopyrazole) pyrazolyl complexes.
TG experiments reveal that the compounds 1–4 undergo thermal decomposition in three or four mass
loss steps yielding NiO as final residue, which was identified by X-ray powder
diffraction. |
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| Keywords: | DSC 4-iodopyrazole nickel(II) pseudohalides TG |
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