Synthesis, spectra and X-ray crystallography of dipyridin-2-ylmethanone oxime and its CuX2(oxime)2 complexes: Thermal, Hirshfeld surface and DFT analysis
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Original research
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Dipyridin-2-ylmethanone oxime (C11H9N3O), was prepared using di-2-pyridyl ketone. The oxime ligand and its neutral CuX2 (oxime)2 (X = Cl or Br) complexes have been identified with the aid of several spectroscopic techniques such as: IR, EI-MS, EA, UV–visible, TG, 1H-NMR and finally the structure of the free oxime ligand was confirmed by X-ray diffractionstudies. The oxime crystallizes in the monoclinic space group P21/c, with cell parameters a = 8.8811 (8) Å, b = 10.6362 (8) Å, c = 11.2050 (8) Å, β = 109.085 (4) º, V = 1000.26 (14) Å3 and Z = 4. The molecular conformation is stabilized by a strong intramolecular OH⋯N hydrogen bonding between the hydroxyl group of the oxime moiety and the nitrogen of the pyridine ring.

Journal
Title
Journal of Molecular Structure
Publisher
ELSEVIER
Publisher Country
Netherlands
Indexing
Thomson Reuters
Impact Factor
1.78
Publication Type
Prtinted only
Volume
1154
Year
2018
Pages
619-625