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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Nirwal, Rita Bargujar, Savita Qanungo, Kushal Sharma, Saroj K. Chandra, Sulekh |
| Description | Country affiliation: India Author Affiliation: Chandra S ( Department of Chemistry, Zakir Husain Delhi College (Delhi University), JLN Marg, New Delhi 110 002, India. schandra_00@yahoo.com) |
| Abstract | Complexes of copper(II) and nickel(II) of general composition M(L)2X2, have been synthesized [where L=3-Bromoacetophenone thiosemicarbazone and X=CH3COO(-), Cl(-) and NO3(-)]. All the complexes were characterized by elemental analysis, magnetic moments, IR, electronic and EPR spectral studies. The ligand behaved as bidentate and coordinated through sulfur of -C=S group and nitrogen atoms of -C=N group. The copper(II) and nickel(II) complexes were found to have magnetic moments 1.94-2.02 BM, 2.96-3.02 BM respectively which was corresponding to one and two unpaired electrons respectively. The molar conductance of the complexes in solution of DMSO lies in the range of 10-20 Ω(-1) cm(2) mol(-1) indicating their non-electrolytic behavior. On the basis of EPR, electronic and infrared spectral studies, tetragonal geometry has been assigned for copper(II) complexes and an octahedral geometry for nickel(II) complexes. The values of Nephelauxetic parameter ß lie in the range 0.19-0.37 which indicated the covalent character in metal ligand 'σ' bond. Synthesized ligand and its copper(II) and nickel(II) complexes have also been screened against different bacterial and fungal species which suggested that complexes are more active than the ligands in antimicrobial activities. |
| ISSN | 13861425 |
| Volume Number | 113 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-09-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Coordination Complexes Chemical Synthesis Pharmacology Models, Molecular Schiff Bases Temperature Transition Elements Anions Anti-bacterial Agents Chemistry Antifungal Agents Bacteria Drug Effects Electron Spin Resonance Spectroscopy Electrons Fungi Ligands Magnetic Phenomena Magnetic Resonance Spectroscopy Mass Spectrometry Spectrophotometry, Infrared Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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