Journal
INORGANICA CHIMICA ACTA
Volume 508, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2020.119632
Keywords
Cu(II) and Zn(II) complexes; Hydrazone; Crystal structure; Antibacterial activity
Categories
Funding
- FAPDF [0193.001545/2017]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior -Brasil (CAPES) [001]
- FINEP/CTINFRA
- DPI-UnB
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The present study reports the synthesis and characterization of six Cu(II) and Zn(II) complexes with 2-cetylpyridinenicotinichydrazone (HL). The characterization of the complexes were applied by conductivity mea- surements and spectroscopic techniques (FT-IR, UV-Vis, ESI(+)-MS and NMR H-1). Four complexes have been studied by single crystal X-ray diffraction, [Cu(L)(2)] (1), [Zn(L)(2)] (2), [CuCl2(HL)] (3) and [CuBr2(HL)] (4). Important interactions upon the molecular packing were also performed by the analysis of their Hirshfeld surfaces and compared to the 2D-fingerprint plots. The characterizations indicates the formation of mononuclear Cu (II) and Zn(II) complexes with the hydrazone ligand coordinated to the metal ions in tridentate mode through the NNO chelating system. The antibacterial activity of HL and its metal complexes was tested against cariogenic bacteria strains.
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