Microwave Spectra of Molecules of Astrophysical Interest XXVI. Acetic Acid (CH3COOH)

Published

February 19, 2008

Author(s)

Vadim V. Ilyushin, I Kleiner, Francis J. Lovas

Abstract

The microwave spectrum of acetic acid is critically reviewed and supplemented with spectral frequency calculations derived from the rotation-torsion analysis. A simultaneous analysis of the torsional ground state, vt = 0, and first and second torsionally excited states, vt = 1 and 2, was carried out using so-called rho axis method . The primary objective of this review is to provide radio astronomers with complete spectral coverage over the 1 GHz to 400 GHz range for the ground and vt = 1 states, covering rotational quantum numbers J = 30, and |Ka| = 15.

Citation

J. Phys. & Chem. Ref. Data (JPCRD) -

Volume

37

Issue

1

NIST Pub Series

J. Phys. & Chem. Ref. Data (JPCRD)

Pub Type

NIST Pubs

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Keywords

acetic acid, internal rotation, interstellar molecule, microwave spectrum, radio astronomy, rotational transitions

Citation

Ilyushin, V. , Kleiner, I. and Lovas, F. (2008), Microwave Spectra of Molecules of Astrophysical Interest XXVI. Acetic Acid (CH₃COOH), J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=841097 (Accessed October 14, 2025)