Fourier transform spectroscopy on the 3ν2, 2ν2 + ν6 and ν3 + ν5 bands of H2CO

T. Tipton; J. I. Choe; S. G. Kukolich; R. Hubbard

doi:10.1016/0022-2852(85)90222-X

Fourier transform spectroscopy on the 3ν₂, 2ν₂ + ν₆ and ν₃ + ν₅ bands of H₂CO

T. Tipton, J. I. Choe, S. G. Kukolich, R. Hubbard

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Fourier transform spectra covering the range from 1500 to 5400 cm^-1 with 0.02-cm^-1 resolution have been obtained for formaldehyde. A study of the region above 4000 cm^-1 has yielded rotational constants and other asymmetric rotor parameters for three bands: 3ν₂ (ν₀ = 5177.7611 ± 0.0005 cm^-1)2ν₂ + ν₆ (ν₀ = 4734.193 ± 0.004 cm^-1), and ν₃ + ν₅ (ν₀ = 4335.102 ± 0.001 cm^-1). An analysis of the A-type Coriolis interaction between the 2ν₂ + ν₆ state and the unobserved 2ν₂ + ν₄ state has yielded partially deperturbed rotational constants for the 2ν₂ + ν₆ state. Vibration-rotation interaction constants have been obtained for the ν₂ and ν₆ normal modes by combining the present results with those of previous workers.

Original language	English (US)
Pages (from-to)	239-256
Number of pages	18
Journal	Journal of Molecular Spectroscopy
Volume	114
Issue number	2
DOIs	https://doi.org/10.1016/0022-2852(85)90222-X
State	Published - Dec 1985

ASJC Scopus subject areas

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

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10.1016/0022-2852(85)90222-X

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title = "Fourier transform spectroscopy on the 3ν2, 2ν2 + ν6 and ν3 + ν5 bands of H2CO",

abstract = "Fourier transform spectra covering the range from 1500 to 5400 cm-1 with 0.02-cm-1 resolution have been obtained for formaldehyde. A study of the region above 4000 cm-1 has yielded rotational constants and other asymmetric rotor parameters for three bands: 3ν2 (ν0 = 5177.7611 ± 0.0005 cm-1)2ν2 + ν6 (ν0 = 4734.193 ± 0.004 cm-1), and ν3 + ν5 (ν0 = 4335.102 ± 0.001 cm-1). An analysis of the A-type Coriolis interaction between the 2ν2 + ν6 state and the unobserved 2ν2 + ν4 state has yielded partially deperturbed rotational constants for the 2ν2 + ν6 state. Vibration-rotation interaction constants have been obtained for the ν2 and ν6 normal modes by combining the present results with those of previous workers.",

author = "T. Tipton and Choe, {J. I.} and Kukolich, {S. G.} and R. Hubbard",

year = "1985",

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T1 - Fourier transform spectroscopy on the 3ν2, 2ν2 + ν6 and ν3 + ν5 bands of H2CO

AU - Tipton, T.

AU - Choe, J. I.

AU - Kukolich, S. G.

AU - Hubbard, R.

PY - 1985/12

Y1 - 1985/12

N2 - Fourier transform spectra covering the range from 1500 to 5400 cm-1 with 0.02-cm-1 resolution have been obtained for formaldehyde. A study of the region above 4000 cm-1 has yielded rotational constants and other asymmetric rotor parameters for three bands: 3ν2 (ν0 = 5177.7611 ± 0.0005 cm-1)2ν2 + ν6 (ν0 = 4734.193 ± 0.004 cm-1), and ν3 + ν5 (ν0 = 4335.102 ± 0.001 cm-1). An analysis of the A-type Coriolis interaction between the 2ν2 + ν6 state and the unobserved 2ν2 + ν4 state has yielded partially deperturbed rotational constants for the 2ν2 + ν6 state. Vibration-rotation interaction constants have been obtained for the ν2 and ν6 normal modes by combining the present results with those of previous workers.

AB - Fourier transform spectra covering the range from 1500 to 5400 cm-1 with 0.02-cm-1 resolution have been obtained for formaldehyde. A study of the region above 4000 cm-1 has yielded rotational constants and other asymmetric rotor parameters for three bands: 3ν2 (ν0 = 5177.7611 ± 0.0005 cm-1)2ν2 + ν6 (ν0 = 4734.193 ± 0.004 cm-1), and ν3 + ν5 (ν0 = 4335.102 ± 0.001 cm-1). An analysis of the A-type Coriolis interaction between the 2ν2 + ν6 state and the unobserved 2ν2 + ν4 state has yielded partially deperturbed rotational constants for the 2ν2 + ν6 state. Vibration-rotation interaction constants have been obtained for the ν2 and ν6 normal modes by combining the present results with those of previous workers.

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Fourier transform spectroscopy on the 3ν₂, 2ν₂ + ν₆ and ν₃ + ν₅ bands of H₂CO

Abstract

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