High-resolution study of the 2v5 hybrid band of the CHD3 molecule

Abstract

The high-resolution infrared spectrum of CHD₃ has been measured on a Fourier transform spectrometer and analyzed in the region of the 2v₅ hybrid absorption band, 2450-2810 cm^-1. Anomalously small A₁-A₂ splittings of energy levels (J, K = 1, A_1,2) and anomalously large A₁-A₂ splittings of energy levels (J, K = 2, A_1,2) in the E-type subband were observed. Energy levels were also observed for J ≥ 16 splittings of (J, K = 4, A_1,2). These and other effects were described by strong Coriolis interactions between A₁-and E-type vibrational subbands. A corresponding Hamiltonian model is derived. It reproduces the initial experimental data (J^max = 22, K^max _a = 22) with mean accuracy 2.7 × 10^-4 cm^-1, which is not far from experimental uncertainties.

Original language	English
Pages (from-to)	175-194
Number of pages	20
Journal	Journal of Molecular Spectroscopy
Volume	179
Issue number	2
DOIs	https://doi.org/10.1006/jmsp.1996.0196
Publication status	Published - 1 Jan 1996

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry

Access to Document

10.1006/jmsp.1996.0196

Fingerprint Dive into the research topics of 'High-resolution study of the 2v5 hybrid band of the CHD3 molecule'. Together they form a unique fingerprint.

Cite this

Ulenikov, O. N., Malikova, A. B., Alanko, S., Koivusaari, M., & Anttila, R. (1996). High-resolution study of the 2v₅ hybrid band of the CHD₃ molecule. Journal of Molecular Spectroscopy, 179(2), 175-194. https://doi.org/10.1006/jmsp.1996.0196

@article{ca3916975c5a434eab4772c4891d1d1a,

title = "High-resolution study of the 2v5 hybrid band of the CHD3 molecule",

abstract = "The high-resolution infrared spectrum of CHD3 has been measured on a Fourier transform spectrometer and analyzed in the region of the 2v5 hybrid absorption band, 2450-2810 cm-1. Anomalously small A1-A2 splittings of energy levels (J, K = 1, A1,2) and anomalously large A1-A2 splittings of energy levels (J, K = 2, A1,2) in the E-type subband were observed. Energy levels were also observed for J ≥ 16 splittings of (J, K = 4, A1,2). These and other effects were described by strong Coriolis interactions between A1-and E-type vibrational subbands. A corresponding Hamiltonian model is derived. It reproduces the initial experimental data (Jmax = 22, Kmax a = 22) with mean accuracy 2.7 × 10-4 cm-1, which is not far from experimental uncertainties.",

author = "Ulenikov, {O. N.} and Malikova, {A. B.} and S. Alanko and M. Koivusaari and R. Anttila",

year = "1996",

month = jan,

day = "1",

doi = "10.1006/jmsp.1996.0196",

language = "English",

volume = "179",

pages = "175--194",

journal = "Journal of Molecular Spectroscopy",

issn = "0022-2852",

publisher = "Academic Press Inc.",

number = "2",

}

TY - JOUR

T1 - High-resolution study of the 2v5 hybrid band of the CHD3 molecule

AU - Ulenikov, O. N.

AU - Malikova, A. B.

AU - Alanko, S.

AU - Koivusaari, M.

AU - Anttila, R.

PY - 1996/1/1

Y1 - 1996/1/1

N2 - The high-resolution infrared spectrum of CHD3 has been measured on a Fourier transform spectrometer and analyzed in the region of the 2v5 hybrid absorption band, 2450-2810 cm-1. Anomalously small A1-A2 splittings of energy levels (J, K = 1, A1,2) and anomalously large A1-A2 splittings of energy levels (J, K = 2, A1,2) in the E-type subband were observed. Energy levels were also observed for J ≥ 16 splittings of (J, K = 4, A1,2). These and other effects were described by strong Coriolis interactions between A1-and E-type vibrational subbands. A corresponding Hamiltonian model is derived. It reproduces the initial experimental data (Jmax = 22, Kmax a = 22) with mean accuracy 2.7 × 10-4 cm-1, which is not far from experimental uncertainties.

AB - The high-resolution infrared spectrum of CHD3 has been measured on a Fourier transform spectrometer and analyzed in the region of the 2v5 hybrid absorption band, 2450-2810 cm-1. Anomalously small A1-A2 splittings of energy levels (J, K = 1, A1,2) and anomalously large A1-A2 splittings of energy levels (J, K = 2, A1,2) in the E-type subband were observed. Energy levels were also observed for J ≥ 16 splittings of (J, K = 4, A1,2). These and other effects were described by strong Coriolis interactions between A1-and E-type vibrational subbands. A corresponding Hamiltonian model is derived. It reproduces the initial experimental data (Jmax = 22, Kmax a = 22) with mean accuracy 2.7 × 10-4 cm-1, which is not far from experimental uncertainties.

UR - http://www.scopus.com/inward/record.url?scp=0002321397&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0002321397&partnerID=8YFLogxK

U2 - 10.1006/jmsp.1996.0196

DO - 10.1006/jmsp.1996.0196

M3 - Article

AN - SCOPUS:0002321397

VL - 179

SP - 175

EP - 194

JO - Journal of Molecular Spectroscopy

JF - Journal of Molecular Spectroscopy

SN - 0022-2852

IS - 2

ER -