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Vibrational spectra of LiRbSO4
Affiliation:1. Department of Chemical Engineering and Division of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea;2. Civil, Environmental, and Architectural Engineering, Korea University, Seoul 136-701, Republic of Korea;3. Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Institute of Environmental Health and Pollution Control, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, Guangdong, China;1. Laboratory of Physical Chemistry of Mineral Materials and their Applications, National Center for Researches in Materials Sciences,Technopole of Borj Cedria, BP 73, 8027 Soliman, Tunisia;2. Faculty of Mathematical, Physical and Natural Sciences of Tunis (FST), Tunis El Manar University, Campus Universitaire Tunis El Manar, 2092 Tunis, Tunisia;1. College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing, PR China;2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, PR China;3. Department of Chemistry, Dartmouth College, Hanover, NH 03755, USA;1. State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China;3. School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China;4. School of Materials Science and Engineering, Anhui University of Science & Technology, Huainan, Anhui 232001, China;5. Institute of Water Science, Beijing Normal University, Beijing 100091, China
Abstract:The IR and Raman spectra of LiRbSO4 have been recorded and analysed on the basis of vibrations of the SO2-4 ion. The splitting of the non-degenerate symmetric stretching mode of the SO2-4 ion into three components in Raman suggests the possibility of resonance interaction between SO2-4 ions in the unit cell. The linear distortion of the SO4 tetrahedra seems to be greater than the angular distortion.
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