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A molecular orbital description of aromatic cluster ions produced in continuous-flow fast atom bombardment (1995)

Jarvis, V. M. ; Moran, T. F.

Chichester : Wiley-Blackwell

Biological Mass Spectrometry 30 (1995), S. 296-304

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Details

ISSN: 1076-5174

Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Notizen: Cluster ions from the continuous-flow fast atom bombardment of several pure, liquid aromatics were examined. Most of the aromatics cluster as (M)n+; however, aromatic bases such as pyridine and aniline also form (M)nH+ ions. The abundance of both (M)n+ and (M)nH+ cluster ions decreases rapidly as n increases. The semi-empirical molecular orbital PM3 method was used to examine energetics of cluster ion formation, binding energies of several aromatic dimer ions and structures of stable cluster ions observed in the desorption process.

Zusätzliches Material: 9 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jms.1190300211

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