1.
Angew Chem Int Ed Engl
; 46(42): 8057-9, 2007.
Artigo
em Inglês
| MEDLINE
| ID: mdl-17854111
2.
Anal Chem
; 79(17): 6585-91, 2007 Sep 01.
Artigo
em Inglês
| MEDLINE
| ID: mdl-17683163
RESUMO
Free electron attachment to the three different isomers of mononitrotoluene molecules in the gas phase is studied using a crossed electron-molecule beams technique. In contrast to previous studies for a large number of negative ions, the presently measured relative cross section curves are recorded with an electron energy resolution of better than 100 meV. For several product anions including the nitro anion NO(2)-, remarkable differences for the three isomers are observed. In almost all fragment anion efficiency curves, the 2-nitrotoluene exhibits pronounced differences from the two other isomers. In contrast, 3- and 4-nitrotoluene disagree only slightly in a few fragment anions from each other.