The low-energy fragmentation characteristics of the [H, ,C,N,O,]+' isomers [H,CNOJ+' (a), [H,C=N(O)OHJ+' (b), [H,CONO]+' (c), [HC(O)NHOH]+' (d) and [HC(OH)=NOH]+' (e) were studied in detail by metastable ion mass spectrometry. In agreement with most earlier observations, appearance energy measuremen
Four isomeric [C, H3, O2]+ ions
β Scribed by J.L. Holmes; A.A. Mommers; C. De Koster; W. Heerma; J.K. Terlouw
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 403 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0009-2614
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## Abstract The isomeric ions [H~2~NC(H)O]^+^Λ, [H~2~NCOH]^+^Λ, [H~3~CNO]^+^Λ and [H~2~CNOH]^+^Λ were examined in the gas phase by mass spectrometry. __Ab initio__ molecular orbital theory was used to calculate the relative stabilities of [H~2~NC(H)O]^+^Λ, [H~2~NCOH]^+^Λ, [H~3~NCO]^+^Λ and their ne
C,H,O]' ions with the initial structures [CH,CO]', [ICH,-CH=d]+ and [CH,CHO]' cannot be distinguished on the basis of their collisional activation spectra, demonstrating that these isomers interconbert at energies below their threshold for decomposition. Self-protonation of ketene leads to the [CH,C
Characterization of [C,H,O]+ ions in the gas phase using theu+collisional activation 2pectra shows thTt the tour C3H&O komers CH,=C(CH,)E=O, CH,=CHCH,C=O, CH,CH=CHC=O and p C = O are stable fyr z= lo-' s. It is conciuded further from the characteristic shapes for the unimolecuiar !os of CO from C3H5