An adiabatic chemiluminescent reaction:: N(2D)+H2→NH(A3Π)+H, studied under beam conditions

被引：7

作者：

Kowalski, A

Pranszke, B

Werbowy, S

Ottinger, C

机构：

[1] Univ Gdansk, Inst Phys Expt, PL-80952 Gdansk, Poland

[2] Max Planck Inst Stromungsforsch, D-37073 Gottingen, Germany

来源：

CHEMICAL PHYSICS LETTERS | 2004年 / 389卷 / 1-3期

关键词：

D O I：

10.1016/j.cplett.2004.03.102

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The title reaction has been studied spectroscopically, using N(D-2) atoms (15-100 eV(lab)) generated by N+ + Xe charge transfer. At 5 eV(CM) the cross-section is similar to7 times greater than for the analogous N(S-4) reaction measured previously, due to an adiabatic pathway which exists only in the former case. Simulations of the NH(A(2)II-X(3)Sigma(-)) spectra show up to 4 eV(CM) equilibrated ro-vibrational distributions. This indicates an insertion-type reaction, consistent with ab initio calculations. At high energy, rotation and vibration become uncoupled and non-thermal, suggesting a two-body impulsive mechanism. (C) 2004 Elsevier B.V. All rights reserved.

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页码：218 / 224

页数：7

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共 26 条

[1] Exploring the reaction dynamics of nitrogen atoms:: A combined crossed beam and theoretical study of N(2D)+D2→ND+D [J].

Alagia, M ;

Balucani, N ;

Cartechini, L ;

Casavecchia, P ;

Volpi, GG ;

Pederson, LA ;

Schatz, GC ;

Lendvay, G ;

Harding, LB ;

Hollebeek, T ;

Ho, TS ;

Rabitz, H .

JOURNAL OF CHEMICAL PHYSICS, 1999, 110 (18) :8857-8860

[2] Quantum effects in the differential cross sections for the insertion reaction N(2D)+H2 -: art. no. 013201 [J].

Balucani, N ;

Cartechini, L ;

Capozza, G ;

Segoloni, E ;

Casavecchia, P ;

Volpi, GG ;

Aoiz, FJ ;

Bañares, L ;

Honvault, P ;

Launay, JM .

PHYSICAL REVIEW LETTERS, 2002, 89 (01)

[3] Intensity formulas for the triplet bands. [J].

Budo, A. .

ZEITSCHRIFT FUR PHYSIK, 1937, 105 (05) :579-587

[4] Chemical reaction dynamics with molecular beams [J].

Casavecchia, P .

REPORTS ON PROGRESS IN PHYSICS, 2000, 63 (03) :355-414

[5] NH (X3-SIGMA-,V=1-3) FORMATION AND VIBRATIONAL-RELAXATION IN ELECTRON-IRRADIATED AR/N2/H2 MIXTURES [J].

DODD, JA ;

LIPSON, SJ ;

FLANAGAN, DJ ;

BLUMBERG, WAM ;

PERSON, JC ;

GREEN, BD .

JOURNAL OF CHEMICAL PHYSICS, 1991, 94 (06) :4301-4310

[6] Hot-atom chemiluminescence:: a beam study of the reactions C(3P)+H2→CH(A 2Δ, B 2Σ-, C 2Σ+)+H [J].

Ehbrecht, A ;

Kowalski, A ;

Ottinger, C .

CHEMICAL PHYSICS LETTERS, 1998, 284 (3-4) :205-213

[7] Quantum chaos in atom-diatom reactive collisions [J].

Honvault, P ;

Launay, JM .

CHEMICAL PHYSICS LETTERS, 2000, 329 (3-4) :233-238

[8] A quantum-mechanical study of the dynamics of the N(2D)+H2→NH+H reaction [J].

Honvault, P ;

Launay, JM .

JOURNAL OF CHEMICAL PHYSICS, 1999, 111 (15) :6665-6667

[9] Studies of the N(D-2)+H-2 reaction on revised potential energy surfaces [J].

Kobayashi, H ;

Takayanagi, T ;

Tsunashima, S .

CHEMICAL PHYSICS LETTERS, 1997, 277 (1-3) :20-26

[10] QUASI-CLASSICAL TRAJECTORY STUDIES OF N(D-2)+H-2 REACTION ON A FITTED AB-INITIO POTENTIAL-ENERGY SURFACE [J].

KOBAYASHI, H ;

TAKAYANAGI, T ;

YOKOYAMA, K ;

SATO, T ;

TSUNASHIMA, S .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1995, 91 (21) :3771-3777