High resolution infrared study of D₂CO in the region of 1780-2400 cm^-1: Assignment and preliminary analysis

J. Lohilahti, O. N. Ulenikov, E. S. Bekhtereva, S. Alanko, R. Anttila

Research School of High-Energy Physics

Research output: Contribution to journal › Article

Abstract

A high resolution spectrum of the formaldehyde D₂ ¹²CO molecule in the range from 1780 to 2400 cm^-1 has been recorded by a Fourier transform infrared spectrometer. The measured region covers the stretching fundamental bands ν₁ and ν₅ and the first overtone and combination bands 2ν₄, ν₄+ν ₆, 2ν₆, ν₃+ν₄, ν₃+ν₆, and 2ν₃ which correspond to double excitations of deformational quanta. About 9600 transitions were assigned to the eight mentioned vibrational bands. Preliminary analysis with J′<10 of the obtained assignments was made, and the values of the band centers and the main rotational, centrifugal distortion, and resonance interaction parameters were estimated.

Original language	English
Pages (from-to)	182-205
Number of pages	24
Journal	Journal of Molecular Structure
Volume	780-781
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.molstruc.2005.05.055
Publication status	Published - 3 Jan 2006

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Keywords

D CO
Formaldehyde

ASJC Scopus subject areas

Structural Biology
Organic Chemistry
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Materials Science (miscellaneous)

Cite this

Lohilahti, J., Ulenikov, O. N., Bekhtereva, E. S., Alanko, S., & Anttila, R. (2006). High resolution infrared study of D₂CO in the region of 1780-2400 cm^-1: Assignment and preliminary analysis. Journal of Molecular Structure, 780-781(SPEC. ISS.), 182-205. https://doi.org/10.1016/j.molstruc.2005.05.055

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abstract = "A high resolution spectrum of the formaldehyde D2 12CO molecule in the range from 1780 to 2400 cm-1 has been recorded by a Fourier transform infrared spectrometer. The measured region covers the stretching fundamental bands ν1 and ν5 and the first overtone and combination bands 2ν4, ν4+ν 6, 2ν6, ν3+ν4, ν3+ν6, and 2ν3 which correspond to double excitations of deformational quanta. About 9600 transitions were assigned to the eight mentioned vibrational bands. Preliminary analysis with J′<10 of the obtained assignments was made, and the values of the band centers and the main rotational, centrifugal distortion, and resonance interaction parameters were estimated.",

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AU - Ulenikov, O. N.

AU - Bekhtereva, E. S.

AU - Alanko, S.

AU - Anttila, R.

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Access to Document

10.1016/j.molstruc.2005.05.055