A re-investigation of NH3 in the vicinity of the fi state origin by 2 + 1 multiphoton ionization photoelectron spectroscopy (MPI PES) has revealed the presence of a previously unreported combination band of the c' state which involves the Y, symmetric stretch and the Y, umbrella mode. The symmetric
2+1 MPI spectroscopy of B̃ 1E'' state NH3 and ND3: rotational analysis of the origin bands
✍ Scribed by M.N.R. Ashfold; R.N. Dixon; R.J. Stickland; C.M. Western
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 698 KB
- Volume
- 138
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
The origin bands of the B 'E"-2 'A; transition of both NH3 and ND, have been observed via the two-photon resonance enhancement they provide to the multiphoton ionisation spectra of these molecules. Spectral analysis, which was greatly aided by the use of controlled molecular beam expansion techniques, yields rotational constants for both origin levels. ' Royal Society 1983 University Research Fellow.
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