Reinvestigation of the emission gamma band system (A(2)Sigma(+)-X(2)Pi) of the NO molecule

In the emission spectrum of the nitric oxide molecule 13 bands of the gamma system (A(2) Sigma(+)-X(2) Pi) were recorded and analyzed. The following bands of this system comprising over 3950 lines were photographed under high resolution by using conventional spectroscopy and Th standard Lines: 0-0 through 0-6 and 1-4, 1-5, 2-0, 2-6, 2-7, and 3-4. The analysis of the individual bands and the merged analysis of the entire band system made it possible to unify, extend, and improve the information about the gamma system and the energy structure of its participating states A(2) Sigma(+) and X(2) Pi. RKR turning points of the A and X stales and Franck-Condon factors and r centroids for the A-X system were also determined using the precise molecular parameters obtained in the present work. (C) 1997 Academic Press.