harmonic vibration-rotation band

harmonic vibration-rotation band

[här′män·ik vī′brā·shən rō′tā·shən ‚band]
(spectroscopy)
A vibration-rotation band of a molecule in which the harmonic oscillator approximation holds for the vibrational levels, so that the vibrational levels are equally spaced.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.