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HONGZHI LI, RANDALL SKELTON, CRISTIAN FOCSA, BERNARD PINCHEMEL AND PETER F. BERNATH, Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
The A 1
+-X1
+ and A' 1
-X 1
+ spectra of SrO were observed in the range of 3,900 to 13,600 cm-1 at a resolution of about 0.03 cm-1. The SrO chemiluminescence was produced in a Broida-type oven from the Sr + N2O reaction and detected with a Fourier transform spectrometer. A total of 75 bands from 88SrO, 87SrO and 86SrO were measured for the A-X transition, and vibrational levels of the ground state were analyzed up to v'' = 12. Over 10,000 rovibrational lines from the A-X transition were fitted to obtain significantly inproved spectral constants of the ground
state. Strong perturbations were observed in the A state. The A'-X infrared emission spectrum was also analyzed. A set of Dunham parameters
for the A' state was obtained through the fitting of the data.