Infrared spectroscopic study on the co-ordination bond-II: Infrared spectra of octahedral metal cyanide complexes |
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| Affiliation: | 1. Instituto de Química, UNESP, Rua Professor Francisco Degni, 55, 14800-900, Araraquara, SP, Brazil;2. Synchrotron SOLEIL, L’Orme des Merisiers, BP48, Saint Aubin, 91192, Gif-sur Yvette, France;3. Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106-4956;4. Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, Ohio 44106;1. Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, 11400 Montevideo, Uruguay;2. Center for Free Radical and Biomedical Research, Universidad de la República, 11800 Montevideo, Uruguay;3. Departamento de Química Inorgánica, Analítica, y Química-Física and INQUIMAE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EHA Buenos Aires, Argentina;4. Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, 11800 Montevideo, Uruguay;5. Department of Chemistry and Pharmacy, University of Erlangen–Nuremberg, 91058 Erlangen, Germany;1. Department of Basic Sciences, Faculty of Engineering, Samsun University, Samsun, Turkey;2. Department of Physics, Faculty of Arts and Science, Sinop University, Sinop, Turkey;3. Department of Chemistry, Faculty of Arts and Science, Ondokuz Mayıs University, Samsun, Turkey |
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| Abstract: | Infrared spectra of [FeII(CN)6]4−, [FeIII(CN)6]3−, [Co(CN)6]3−, [Ru(CN)6]4−, [Os(CN)6]4−, [Co(NH3)6][Co(CN)6] and [Co(NH3)6] [FeIII(CN)6] have been measured in the 4000–250 cm−1 region. In addition to the characteristic C N stretching vibrations, metal-ligand stretching and metal—CN bending vibrations have been observed in the CsBr region. Normal co-ordinate treatment has been made and the observed frequencies have been quantitatively assigned on the basis of the potential energy distribution and L-matrix. A very interesting relation between the metal-ligand stretching and CN stretching force constants has been found. |
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