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A study of the nearly thermoneutral reactions of N+ with H2, HD and D2

✍ Scribed by N.G. Adams; D. Smith

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 340 KB
Volume: 117
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(85)80407-3

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✦ Synopsis

The rate wfficients k for the nearly thermoneulral atom abstracbon reactions of N+ ions \nth H,. HD and D, have befn dct-cd as a ~uncrion of ion-molecule cenue-or-mars energy. KE, in a SLFDT apparatus. over tic range of KE, Zrom thermal energy at 300 K to = 0 5 eV. From Arrhenius-type plots OF In k versus (KE,,)-'. values 01 the thermicities of the reactions. BE. have bc=n determined. The chfferenocs in *Lhc values of AE obtained for rhc reactions are accounted Ior by differences in the vibrational zero-point energies of the reactant and product mokules. From the datq the absolute proton afFiity of the N atom is found to be 3.531 eV.

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