Energetics of Uracil Cation Radical and Anion Radical Ion−Molecule Reactions in the Gas Phase

2001 ◽  
Vol 105 (38) ◽  
pp. 8740-8747 ◽  
Author(s):  
František Tureček ◽  
Jill K. Wolken
Keyword(s):  
Gas Phase ◽  
Anion Radical ◽  
Cation Radical ◽  
Ion Molecule Reactions

Gas-phase ion-molecule reactions of dioxygen anion radical (O2-.bul.)

1985 ◽  
Vol 107 (14) ◽  
pp. 4123-4128 ◽  
Author(s):  
Richard N. McDonald ◽  
A. Kasem Chowdhury
Keyword(s):  
Gas Phase ◽  
Anion Radical ◽  
Ion Molecule Reactions ◽  
Gas Phase Ion

Reactivity Trends in the Gas Phase Addition of Acetylene to N-protonated Aryl Radical Cations

2020 ◽  
Author(s):  
Oisin Shiels ◽  
P. D. Kelly ◽  
Cameron C. Bright ◽  
Berwyck L. J. Poad ◽  
Stephen Blanksby ◽  
...  
Keyword(s):  
Gas Phase ◽  
Ion Trap ◽  
Radical Cations ◽  
Rate Coefficients ◽  
Similar Process ◽  
Ion Molecule Reactions ◽  
Aromatic Radicals ◽  
Polycyclic Aromatic ◽  
Gas Phase Ion ◽  
Type Radical

<div> <div> <div> <p>A key step in gas-phase polycyclic aromatic hydrocarbon (PAH) formation involves the addition of acetylene (or other alkyne) to σ-type aromatic radicals, with successive additions yielding more complex PAHs. A similar process can happen for N- containing aromatics. In cold diffuse environments, such as the interstellar medium, rates of radical addition may be enhanced when the σ-type radical is charged. This paper investigates the gas-phase ion-molecule reactions of acetylene with nine aromatic distonic σ-type radical cations derived from pyridinium (Pyr), anilinium (Anl) and benzonitrilium (Bzn) ions. Three isomers are studied in each case (radical sites at the ortho, meta and para positions). Using a room temperature ion trap, second-order rate coefficients, product branching ratios and reaction efficiencies are reported. </p> </div> </div> </div>

Gas phase ion-molecule reactions of monogermane with oxygen and ammonia

1988 ◽  
Vol 354 (1) ◽  
pp. 39-50 ◽  
Author(s):  
Paola Benzi ◽  
Lorenza Operti ◽  
Gian Angelo Vaglio ◽  
Paolo Volpe ◽  
Maurizio Speranca ◽  
...  
Keyword(s):  
Gas Phase ◽  
Ion Molecule Reactions ◽  
Gas Phase Ion
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