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State(R)-state(TS)-state(P) theoretical study of H+H_2 system

State(R)-state(TS)-state(P) theoretical study of H + H_2 system
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摘要 The calculation of H + H2 system by symplectic quasiclassical trajectory (SQCT) shows that there are two types of collision trajectories A and B, i.e., type A trajectory passes the saddle point of transition state (TS), whereas type B trajectory does not pass the saddle point of transition state. Not all the reactants of type A trajectory are reactive, while not all of type B trajectory are nonreactive. The partition and reactivity of these two types of trajectories are affected by reactant state(R), furthermore, the types of trajectories affect the state and angle distributions of products. Not only the rudiment framework for theoretical study on state(R)-state(TS)-state(P) is established, but also the further understanding of transition state theory (TST) of Eyring is investigated in this paper. The calculation of H + H2 system by symplectic quasiclassical trajectory (SQCT) shows that there are two types of collision trajectories A and B, i.e., type A trajectory passes the saddle point of transition state (TS), whereas type B trajectory does not pass the saddle point of transition state. Not all the reactants of type A trajectory are reactive, while not all of type B trajectory are nonreactive. The partition and reactivity of these two types of trajectories are affected by reactant state(R), furthermore, the types of trajectories affect the state and angle distributions of products. Not only the rudiment framework for theoretical study on state(R)-state(TS)-state(P) is established, but also the further understanding of transition state theory (TST) of Eyring is investigated in this paper.
出处 《Science China Chemistry》 SCIE EI CAS 2002年第5期455-462,共8页 中国科学(化学英文版)
基金 This work was supported by the National Natural Science Foundation of China (Grant No.20173027).
关键词 state(R)-state(TS)-state(P) SQCT H + H2 system. state(R)-state(TS)-state(P) SQCT H + H2 system
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  • 1Yoshida,H.Construction of higher order symplectic integrators, Phys[].Lett A.1990
  • 2Porter,R. N.Molecular trajectory calculations, Ann[].The Review of Physical Chemistry of Japan.1974
  • 3Gear,C. W.Hybrid methods for initial value problems in ordinary differential equations, SIAM J.Numer. Anal[].Ser B.1965

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