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Statistical modelling of NH+/ND+ + H2/HD/D2 branching ratios

Frankcombe, Terry; Nyman, Gunnar


In this work we study hydrogen isotope fractionation along the proposed gas-phase ammonia formation pathway at temperatures relevant to interstellar modelling. Specifically we study the isotopically substituted variants of the NH+ + H2 reaction, for which the primary product is NH2+ + H. Adiabatic capture theory calculations have been performed for the association reaction. A new potential-energy surface has been determined for the NH2+ product. An extensive set of rovibrational energy levels...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Physical Chemistry Chemical Physics
DOI: 10.1039/b801384e


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