首页> 外文期刊>Кинетика и катализ >THEORETICAL STUDIES ON THE KINETICS AND MECHANISM OF THE REACTION OF ATOMIC HYDROGEN WITH CARBON DIOXIDE
【24h】

THEORETICAL STUDIES ON THE KINETICS AND MECHANISM OF THE REACTION OF ATOMIC HYDROGEN WITH CARBON DIOXIDE

机译:氢与二氧化碳反应的动力学和机理的理论研究

获取原文
获取原文并翻译 | 示例
           

摘要

The potential energy surface for the reaction of hydrogen atom with carbon dioxide is explored by using various quantum chemical methods including W1BD, CBS-QB3, G4, G3B3, CCSD(T), QCISD(T), CCSD, M06-2X, and BB1K. Transition state theory and a modified strong collision/RRKM model are employed to calculate the thermal rate coefficients for the reaction. The results of calculation show that the overall rate constant for the reaction H + CO_2 are pressure-independent over the temperature range of 300 to 3500 K. By using the energies at the W1BD level, the non-Arrhenius expression k = 9.8T~(2.9) exp(–74.8 kJ/mol/RT) L mol~(-1) s~(-1) was found for the reaction.
机译:使用多种量子化学方法探索氢原子与二氧化碳反应的势能面,包括W1BD,CBS-QB3,G4,G3B3,CCSD(T),QCISD(T),CCSD,M06-2X和BB1K 。采用过渡态理论和改进的强碰撞/ RRKM模型来计算反应的热速率系数。计算结果表明,在300至3500 K的温度范围内,反应H + CO_2的总速率常数与压力无关。通过使用W1BD能量,非阿累尼乌斯表达式k = 9.8T〜( 2.9)发现反应的exp(–74.8 kJ / mol / RT)L mol〜(-1)s〜(-1)。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号