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On the E1Σ+X1Σ+ System of SiO in the Vacuum Ultraviolet Region

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Published under licence by IOP Publishing Ltd
, , Citation N Elander and A Lagerqvist 1971 Phys. Scr. 3 267 DOI 10.1088/0031-8949/3/6/005

1402-4896/3/6/267

Abstract

The E1Σ+X1Σ+ system attributed to the SiO molecule has been obtained in absorption in flash discharges through SiH4 containing traces of oxygen. The region from 1 650 Å to 2 000 Å has been studied. The fifteen deepest vibrational levels of the E state have been analysed. The following molecular constants have been derived:

T0 = 52 578.31 cm-1

ω'e = 675.52 cm-1

ω'eχ'e = 4.204 cm-1

B'e = 0.54727 cm-1

r'e = 1.7399 Å

D'e = 1.43 × 10-6 cm-1

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10.1088/0031-8949/3/6/005