Abstract
The absorption spectrum of HNO in the region 6500–7700 Å has been photographed on a 35-ft grating. The observed spectrum consists of three bands: an intense one at the long-wavelength end of the spectrum and two weaker bands towards shorter wavelengths. All the bands have extensive rotational structure of the perpendicular type. The spectrum was observed after the flash photolysis of nitromethane, nitroethane, isoamyl nitrite, and mixtures of nitric oxide and ammonia. The "lifetime" of the HNO was about 1/10 second under our experimental conditions. The spectrum of DNO has also been photographed. From the constants obtained from the rotational analysis the molecular geometry has been determined. For the lower electronic state[Formula: see text]For the upper electronic state[Formula: see text]The most probable identification of the observed electronic transition is 1A″ ← 1A′.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
304 articles.
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