NDLI: Observation of the infrared spectrum of the ν3 band of the argon-ammonium ionic complex

Content Provider	Semantic Scholar
Author	Bieske, Evan J. Nizkorodov, Sergey A. Dopfer, Otto Maier, John Paul Stickland, Ross J. Cotterell, Bryan J. Howard, Brian J.
Copyright Year	1996
Abstract	Abstract The infrared spectrum of the rare gas-tetrahedral molecule ionic complex ArNH 4 + has been detected. In the region of the ν 3 (t 2 ) triply degenerate vibration of the NH 4 + monomer, a parallel and perpendicular band are observed. Tunnelling splittings of the Q branches of the latter band are attributed to subtantially hindered internal rotation of the NH 4 + unit. A recently developed model of atom-spherical top complexes is applied to estimate anisotropic terms in the intermolecular potential; both the vibrational anisotropy of the order of 90 cm −1 and the rotational anisotropy ≈220 cm −1 are substantial.
Starting Page	266
Ending Page	272
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1016/0009-2614(96)00029-2
Volume Number	250
Alternate Webpage(s)	http://aerosol.chem.uci.edu/publications/Basel/1996_Bieske_CPL_Ar-NH4.pdf
Alternate Webpage(s)	https://doi.org/10.1016/0009-2614%2896%2900029-2
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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