Pressure and temperature dependences of the binary ion-molecule reaction N3+ + H2O-->H2NO+ + N2

Article abstract of DOI:10.1063/1.455573

Experiments were carried out using a time-resolved atmospheric pressure ionization mass- spectrometer (TRAPI) in N2-H2O (<*>1 ppm) system at temperatures from 233 to 543 K and at pressures from 167 to 760 Torr.The title reaction showed temperature and pressure dependences which were explained by the following scheme: N3⁺ + H2O<*>(N3⁺*H2O)^* (forward and backward rate constants k_a and k_b; (N3⁺*H2O)^*-->H2NO⁺ + N2 (forward rate constant k_p; (N3⁺*H2O)^* + N2-->H2NO⁺ + 2N2 (forward rate constant k_d).Assuming that k_d is equal to the collision rate constant of 7.1*10^-10 cm³ s^-1, the individual rate constants were determined as k_a = 2.8*10^-9 cm³ s^-1 (302 K), k_b = 17T^3.6 s^-1 where Tis temperature in K, and k_p = 2.0*10⁹ s^-1 ( 302 K) .The product H2NO⁺ ion changed by successive reactions with H2O into H2NO⁺*H2O and subsequently to H3O⁺.

Full text of DOI:10.1063/1.455573

Pressure and temperature dependences of the ‘‘binary’’ ion–molecule reaction N+
+H2O→H2NO++N2
3
Shingo Matsuoka and Hirone Nakamura
Citation: The Journal of Chemical Physics 89, 5663 (1988); doi: 10.1063/1.455573
View online: http://dx.doi.org/10.1063/1.455573
View Table of Contents: http://scitation.aip.org/content/aip/journal/jcp/89/9?ver=pdfcov
Published by the AIP Publishing
Articles you may be interested in
Rotational temperature dependences of gas phase ion–molecule reactions
J. Chem. Phys. 89, 4848 (1988); 10.1063/1.455679
The temperature dependence of ion–molecule association reactions
J. Chem. Phys. 82, 75 (1985); 10.1063/1.448738
Ion—Molecule Reactions in NO+–H2O System
J. Chem. Phys. 55, 2120 (1971); 10.1063/1.1676383
Mechanism and Rate Constants of Ion–Molecule Reactions Leading to Formation of H+(H2O)n in Moist
Oxygen and Air
J. Chem. Phys. 52, 222 (1970); 10.1063/1.1672668
Ion–Molecule Reactions in Pure Nitrogen and Nitrogen Containing Traces of Water at Total Pressures 0.5–4
torr. Kinetics of Clustering Reactions Forming H+(H2O) n
J. Chem. Phys. 52, 212 (1970); 10.1063/1.1672667
This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
128.83.63.20 On: Wed, 26 Nov 2014 16:08:58

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.83.63.20 On: Wed, 26 Nov 2014 16:08:58
1