Spectroscopic studies of cobalt(II), nickel(II) and copper(II) complexes with N-ethyl- and N-propylimidazole |
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| Affiliation: | 1. Centre for Applied Climate Sciences, University of Southern Queensland, Toowoomba, Queensland, 4350, Australia;2. Faculty of Health, Engineering and Sciences, University of Southern Queensland, Toowoomba, Queensland, 4350, Australia;3. Centre for Sustainable Agricultural Systems, University of Southern Queensland, Toowoomba, Queensland, 4350, Australia;1. Université de Nantes, CNRS, INSERM, l’institut du thorax, 44000 Nantes, France;2. HCS Pharma, Lille, France;3. ER045 - Laboratory of Stem Cells: Maintenance, Differentiation and Pathology, Biology Department, Faculty of Sciences, Lebanese University, Beirut, Lebanon;4. Université de Nantes, CHU Nantes, CNRS, INSERM, l’institut du thorax, 44000 Nantes, France;5. University of Montreal, Montreal, QC, Canada |
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| Abstract: | The preparations are reported of complexes of the type ML2X2, (M = Cu(II), X = Cl, Br, SCN; M = Ni(II), X = SCN: M = Co(II), X = Cl, Br, I, SCN): ML4X2(M = Cu(II), X = Cl, Br, N03, CIO4 Bφ4: M = Ni(II), X = Cl, I, SCN, NO3; M = Co(II), X = SCN, ClO4, Bφ4); ML6X2(M = Ni(II), X = Cl, Br, I, NO3, ClO4, Bφ4: M = Co(II), X = Br, NO3): L = N-ethylimidazole, N-propylimidazole. Magnetic susceptibility, i.r. and electronic spectra, conductivity data in MeOH or EtNO2 at 25°C are reported and structural information is deduced. The CuL2X2 complexes are generally square planar. NiL2(NCS)2 and CoL2X2 have pseudotetrahedral structure, CoL4 (ClO4)2 are tetrahedral, CuL4X2(X = Cl, Br, ClO4, Bφ4) ar square, CuL4(NO3)2 square-planar pseudo-octahedral, NiL4X2, NiL6X2, CoL4(NCS)2 and CoL6X2 are octahedral. |
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