Infrared and electronic absorption spectra of formaldehyde in gas phase and astrophysical H2O ice
β Scribed by Mahadevappa Naganathappa; Shivaji Waghmare; Ajay Chaudhari
- Publisher
- Springer Netherlands
- Year
- 2010
- Tongue
- English
- Weight
- 359 KB
- Volume
- 332
- Category
- Article
- ISSN
- 0004-640X
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The infrared (IR) spectra of the vapour phases above NbCl, and MoCl, have been studied at elevated temperatures. All five IR-active fundamentals of NbCl,(g) of D,, symmetry have been observed. In the vapour above MoCl, two different species have been found. At the beginning of the experiment an oxyc
indicate that ices containing formaldehyde (H 2 CO) and at least a trace of ammonia (NH 3 ) will undergo reactions as the samples are heated from 10 K with no additional irradiation. A residue composed of higher-boiling-point organic species persists to 190 K and beyond. Spectral changes indicate th