## Abstract

Thermally averaged rate coefficients for vibrational state changes and dissociation from individual vibrational levels in H_{2}-Ar collissions at 4500 K are derived from Monte Carlo quasiclassical trajectory calculations. The rate matrix is completed by linear surprisal interpolation. Relaxation times, induction times, and steady dissociation rates simulating a shock wave experiment are calculated by a matrix-eigenvalue solution of the master equation. Rotational equilibrium is assumed, but vibrational nonequilibrium effects are included in full. The resulting steady dissociation rates are only about 30% less than at equilibrium.

Original language | English (US) |
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Pages (from-to) | 337-343 |

Number of pages | 7 |

Journal | Chemical Physics Letters |

Volume | 63 |

Issue number | 2 |

DOIs | |

State | Published - May 15 1979 |

### Bibliographical note

Funding Information:This work was supported in part by the National Science Foundation under gram no_ CHE77-27415 and was aIso performed in part under the auspices of the United States Department of Energy_

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