Infrared and raman spectroscopic investigations of cadmium tetracyanonickelate complexes of aminopyridines期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Infrared and raman spectroscopic investigations of cadmium tetracyanonickelate complexes of aminopyridines

Institution:	1. Dokuz Eylül University, Faculty of Sciences, Department of Chemistry, 35390 İzmir, Turkey;2. Eskişehir Osmangazi University, Faculty of Arts and Sciences, Department of Chemistry, 26480 Eskişehir, Turkey;1. Eskişehir Osmangazi University, Graduate School of Natural and Applied Sciences, Physics, TR-26480 Eskişehir, Turkey;2. Eskişehir Osmangazi University, Faculty of Arts and Sciences, Department of Physics, TR-26480 Eskişehir, Turkey;3. Eskişehir Osmangazi University, Faculty of Arts and Sciences, Department of Chemistry, TR-26480 Eskişehir, Turkey;4. Hacettepe University, Faculty of Engineering, Department of Physics, TR-06800 Beytepe Ankara, Turkey;1. Department of Chemistry, Faculty of Arts and Sciences, Eskişehir Osmangazi University, 26480 Eskişehir, Turkey;2. Department of Science Education, Education Faculty, Ondokuz Mayıs University, 55139 Samsun, Turkey;1. Department of Physics, Molecular Nano-Materials Laboratory, Mugla Sitki Kocman University, Mugla 48050, Turkey;2. Scientific Research Projects Coordination Unit, Mugla Sitki Kocman University, Mugla 48050, Turkey;3. Department of Physics, Balikesir University, Balikesir 10145, Turkey;4. Center of Sci and Tech App and Research, Balikesir University, Balikesir 10145, Turkey;5. Department of Physics, University of 9 Eylul, Izmir Turkey;1. Ulubatlı Hasan Anatolian High School, TR-16320 Bursa, Turkey;2. Eskişehir Osmangazi University, Faculty of Arts and Sciences, Department of Physics, TR-26480 Eskişehir, Turkey;3. Anadolu University, Faculty of Sciences, Department of Physics, TR-26470 Eskişehir, Turkey;4. Sinop University, Scientific and Technological Research Application and Research Center, TR-57000 Sinop, Turkey

Abstract:	The infrared and Raman spectra of three new complexes of the formula CdL₂Ni(CN)₄ {L = 2-aminopyridine or 2-amino-4-methylpyridine} and Cd(L) (NH₃)-Ni(CN)₄ {L = 2-amino-3-methylpyridine} are reported. It is concluded that the ring nitrogen and not the amino nitrogen is involved in complex formation. Vibrational assignments for all the bands observed are proposed. The complexes are shown to have a structure consisting of two dimensional polymeric layers formed with Ni(CN)₄ ions bridged by CdL₂ {L = 2-aminopy or 2-amino-4-methylpy} or Cd(NH₃)(L) {L = 2-amino-3-methylpy} cations. Several modes of coordinated aminopyridines have upward wavenumber shifts in comparison to those of the free molecules. These are thought to be due to the coupling of the internal modes of aminopyridines with the MN vibrations.

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