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Title:Vibration-rotation-tunneling spectrum of formic acid dimer in the 7.3μm region
Author(s):Duan, Chuanxi
Subject(s):Spectroscopy of Large Amplitude Motions
Abstract:The vibration-rotation-tunneling spectrum of formic acid dimer, (HCOOH)$_{2}$, in the spectral region 1369-1375 \wn has been measured by a multi-step rapid-can method in a slit jet expansion using a distributed-feedback quantum cascade laser. The observed spectrum is assigned to the O-C-H bending fundamental band. The tunneling splitting in the vibrational excited state is determined to be about 0.005 \wn, which is much smaller than that in the ground state, 0.0165 \wn (Goroya et al.,J. Chem. Phys. 140, 164311 (2014)). Strong local perturbations involving transitions with J > 9, K = 0 and 1 are identified in the observed spectrum. The deperturbation analysis will be presented.
Issue Date:2016-06-21
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper/Presentation
Type:Text
Language:En
URI:http://hdl.handle.net/2142/91086
Rights Information:Copyright 2016 by the authors
Date Available in IDEALS:2016-08-22


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