Synthesis and structural characterization of a nickel(II) complex with unsymmetrical NNO-donor Schiff base like hydrazone ligand

Amitabha Datta, Nien Tsu Chuang, Jui-Hsien Huang

Research output: Contribution to journalArticle

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Abstract

The nickel(II) complex Ni[C5H4N-C(CH 3)=N-N=C(O)-C6H5]2 (1), containing the potentially tridentate Schiff base like hydrazone ligand (LH) which is the 1:1 condensation product of benzhydrazide and 2-acetylpyridine, was prepared and characterized by IR and UV-Vis spectra, thermal analysis and single crystal X-ray diffraction measurements. Structural investigation shows that the molecule prefers a monoclinic lattice, having space group Cc, a = 10.248(6), b = 19.692(11), c = 12.281(7) Å, β = 91.523(10)°, Z = 4. The central Ni atom is in N4O2 coordination sphere developed with the NNO donor sets of the two independently Schiff base like hydrazone ligands with the two Ni-N(pyridine) bonds being significantly longer than the two Ni-N(imino) bonds, 2.096(6), 2.105(6) versus 1.972(6), 2.008(6) Å. The two Ni(II) amide-O bond distances of the chelating ligands are 2.090(6) and 2.092(6) Å respectively.

Original languageEnglish
Pages (from-to)1780-1784
Number of pages5
JournalJournal of Chemical Crystallography
Volume41
Issue number11
DOIs
Publication statusPublished - 2011 Nov 1

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Hydrazones
hydrazones
Schiff Bases
Nickel
imines
nickel
Ligands
ligands
synthesis
Chelation
Amides
Thermoanalysis
amides
Condensation
pyridines
thermal analysis
condensation
Single crystals
methylidyne
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics

Cite this

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title = "Synthesis and structural characterization of a nickel(II) complex with unsymmetrical NNO-donor Schiff base like hydrazone ligand",
abstract = "The nickel(II) complex Ni[C5H4N-C(CH 3)=N-N=C(O)-C6H5]2 (1), containing the potentially tridentate Schiff base like hydrazone ligand (LH) which is the 1:1 condensation product of benzhydrazide and 2-acetylpyridine, was prepared and characterized by IR and UV-Vis spectra, thermal analysis and single crystal X-ray diffraction measurements. Structural investigation shows that the molecule prefers a monoclinic lattice, having space group Cc, a = 10.248(6), b = 19.692(11), c = 12.281(7) {\AA}, β = 91.523(10)°, Z = 4. The central Ni atom is in N4O2 coordination sphere developed with the NNO donor sets of the two independently Schiff base like hydrazone ligands with the two Ni-N(pyridine) bonds being significantly longer than the two Ni-N(imino) bonds, 2.096(6), 2.105(6) versus 1.972(6), 2.008(6) {\AA}. The two Ni(II) amide-O bond distances of the chelating ligands are 2.090(6) and 2.092(6) {\AA} respectively.",
author = "Amitabha Datta and Chuang, {Nien Tsu} and Jui-Hsien Huang",
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Synthesis and structural characterization of a nickel(II) complex with unsymmetrical NNO-donor Schiff base like hydrazone ligand. / Datta, Amitabha; Chuang, Nien Tsu; Huang, Jui-Hsien.

In: Journal of Chemical Crystallography, Vol. 41, No. 11, 01.11.2011, p. 1780-1784.

Research output: Contribution to journalArticle

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T1 - Synthesis and structural characterization of a nickel(II) complex with unsymmetrical NNO-donor Schiff base like hydrazone ligand

AU - Datta, Amitabha

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AB - The nickel(II) complex Ni[C5H4N-C(CH 3)=N-N=C(O)-C6H5]2 (1), containing the potentially tridentate Schiff base like hydrazone ligand (LH) which is the 1:1 condensation product of benzhydrazide and 2-acetylpyridine, was prepared and characterized by IR and UV-Vis spectra, thermal analysis and single crystal X-ray diffraction measurements. Structural investigation shows that the molecule prefers a monoclinic lattice, having space group Cc, a = 10.248(6), b = 19.692(11), c = 12.281(7) Å, β = 91.523(10)°, Z = 4. The central Ni atom is in N4O2 coordination sphere developed with the NNO donor sets of the two independently Schiff base like hydrazone ligands with the two Ni-N(pyridine) bonds being significantly longer than the two Ni-N(imino) bonds, 2.096(6), 2.105(6) versus 1.972(6), 2.008(6) Å. The two Ni(II) amide-O bond distances of the chelating ligands are 2.090(6) and 2.092(6) Å respectively.

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