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Infrared spectra of AlF3 in solid argon
Authors:Y.S. Yang  James S. Shirk
Affiliation:Department of Chemistry, Illinois Institute of Technology, Chicago, Illinois 60616 USA
Abstract:Three infrared absorptions are assigned to AlF3 isolated in solid argon: ν2 = 286.2 cm?1, ν3 = 909.4 cm?1, and ν4 = 276.9 cm?1. The multiplet pattern previously reported near 950 cm?1 is not present in carefully isolated AlF3. Our spectra do not conclusively rule out a pyramidal structure for AlF3; however, no infrared absorptions can be confidently assigned to ν1, the symmetric stretch.
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