FLUORESCENCE EXCITATION SPECTROSCOPY OF THE $NH_{2} A^{2}A_{1} - X^{2}B_{1}$ SYSTEM IN THE REGION 290-430 NM
Loading...
Date
2003
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Ohio State University
Abstract
The fluorescence excitation spectrum of the $NH_{2} A^{2}A_{1}-^{2}B_{1}$ system has been measured in the region from 290 to 430 nm under jet-cooled conditions using a pulsed discharge source. A total of fourteen bands involving the pure bending states ($0, \nu^{\prime}_{2}, 0$) were observed and analyzed, including ten bands not previously measured to our knowledge. The spectra are largely free from rotational perturbations at the low N values accessed in this experiment, and the molecular constants were obtained from a least squares fit to the determined spin-rovibronic term values. The derived constants are in good agreement with theoretical predictions incorporating the effects of orbital angular momentum on the spin-rotational fine structure.
Description
Author Institution: Department of Physics and Engineering Technologies, Bloomsburg University; Department of Chemistry, Marquette University