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- W2188292022 abstract "The Co(II) complexes derived from salicylaldehyde 4-phenylthiosemicarbazone; SaOHtsc, p-chlorobenzaldehyde 4phenylthiosemicarbazone; ph-HClbtsc is reported and characterized based on elemental analysis, IR, magnetic susceptibility measurement, 1 H and 13 C NMR spectra. The Co(II) complexes have the molecular formula CoL2 where the ligand corresponding to SaOHtsc and ph-HClbtsc. The elemental analysis for the ligands and complexes were in a good agreement with the theoretical values. The ligands coordinate to metal ions in different ways which is through mononegative bidentate or dinegative tridentate. The magnetic susceptibility measurements showed that the CoL2 complexes with ligand SaOHtsc are diamagnetic thus making this complexes suitable for NMR studies. The signals at the 10.04 ppm were assigned to N 2 H in the 1 HNMR spectra of the free ligands was absent in the spectra of the complexes due to the deprotonation of the N 2 H and coordination to the metal centres. The absence of the band in IR spectrum which is assigned to ν(N 2 -H) in the spectra of CoL2 complexes is due to the deprotonation of the ligands upon complexation through azomethine nitrogen and thionic sulphur atom to metal ion. The thiosemicarbazones and its Co(II) complexes showed moderate inhibitory against bacteria Bacillus Subtilis, Staphylococcus Epidermis, Escherichia Coli and Proteus Mirabilis in 10 μg/disc." @default.
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- W2188292022 date "2012-01-01" @default.
- W2188292022 modified "2023-09-26" @default.
- W2188292022 title "SYNTHESIS, STRUCTURAL, ANTIBACTERIAL AND SPECTRAL STUDIES OF Co(II) COMPLEXES WITH SALICYLALDEHYDE AND p-CHLORO- BENZALDEHYDE 4-PHENYLTHIOSEMICARBAZONE (Sintesis, Penstrukturan, Antibakteria dan Analisis Spektrum Sebatian Kompleks Co(II) dengan Salisilaldehid dan p-klorobenzaldehid 4-feniltiosemikarbazon)" @default.
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