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Synthesis,characterization and crystal structure of a Ni(II) complex derived from heterocyclic acylpyrazolone
Abstract:A new complex, Ni(PMFP)2(C2H5OH)2] (HPMFP = 1-phenyl-3-methyl-4-(2-furoyl)-5-pyrazolone), has been synthesized and characterized by elemental analysis, IR, UV, and fluorescence spectra, thermal analysis, and X-ray single crystal diffraction. Its crystal structure is in an orthorhombic system, space group Pbca with cell parameters: a = 15.2269(14) Å, b = 9.3399(9) Å, c = 22.794(2) Å, and Z = 4, S = 1.019. The Ni lies at an inversion center and has a slightly distorted octahedral coordination environment with four oxygens of the pyrazolone rings in the equatorial plane and two ethanols in axial positions. The compound displays O–H···N and weak C(6)–H(6)···O(4) hydrogen bonds. The fluorescent emission is at 539 nm.
Keywords:Acylpyrazolone  Complex  Crystal structure  Spectrum characterization
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