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Infrared and Raman spectra and vibrational assignments for 4-(dimethylamino)benzaldehyde and its zinc complex
Affiliation:1. Department of Chemistry, Faculty Art and Sciences, Ondokuz Mayis University, 55139 Samsun, Turkey;2. Department of Physics, Faculty of Science, Cankiri Karatekin University, 18100, Uluyazi, Cankiri, Turkey;3. Scientific and Technological Research Application and Research Center, Sinop University, 57000, Sinop, Turkey;4. Department of Science Education, Faculty of Education, Amasya University, 05100, Amasya, Turkey;1. Chemistry Department, Faculty of Science, Port-Said University, Port-Said, Egypt;2. Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt;1. Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, P.O. Box 80207, Jeddah 21589, Saudi Arabia;2. Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt;1. Central Research and Application Laboratory, Ahi Evran University, 40100, Kirsehir, Turkey;2. Department of Physics, Faculty of Science, Cankiri Karatekin University, Çankırı, Turkey;3. Department of Science Education, Faculty of Education, Ondokuz Mayis University, 55139, Samsun, Turkey;4. Department of Chemistry, Faculty of Science, Ondokuz Mayis University, 55139, Samsun, Turkey;1. Jiyang College ZheJiang A & F University, Zhu''Ji 311800, PR China;2. Key Laboratory of Chemical Utilization of Forestry Biomass of Zhejiang Province, Zhejiang A & F University, Lin''an, Zhejiang Province 311300, PR China;3. Department of Chemistry, Liaocheng University, Liaocheng 252059, PR China;1. Lomonosov Moscow State University of Fine Chemical Technologies (MITHT), Vernadsky av. 86, 119571 Moscow, Russian Federation;2. N.S. Kurnakov Institute of General and Inorganic Chemistry, Leninskii pr. 31, Moscow 119991, Russian Federation;3. Chemistry Department, M.V. Lomonosov Moscow State University (MSU), Leninskie Gory, Moscow 119992, Russian Federation;4. Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushino, Moscow Region, 142290, Institutskaya str., 3, Russian Federation;5. The Federal State Unitary Enterprise “The State Scientific-Research Institute of Chemical Reagents and High Purity Chemical Substances” (IREA), Bogorodskii val, 3, 107076 Moscow, Russian Federation;6. N.N. Blokhin Russian Cancer Research Center, Kashirskoye sh., 24, Moscow 115478, Russian Federation;7. N.N. Semenov Institute of Chemical Physics (RAS), Kosygin str., 4, Moscow 119991, Russian Federation
Abstract:The vibrational spectra of 4-(dimethylamino)benzaldehyde (DABA) and its zinc complex are presented and vibrational assignments are proposed. Significant differences between the spectra of the parent molecule and the complex are observed. Examination of the form of the normal modes facilitates explanation of proposed frequency shifts of ring modes upon complexation. The spectra of the complex are interpreted by employing a quinonoid-type structure for the DABA ligand.
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