Criegee中间体RCHOO(R=H,CH3)与NO2反应机理与大气中HNO3的形成

来源 :第十三届全国量子化学会议 | 被引量 : 0次 | 上传用户:lullm
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  采用CCSD(T)/aug-cc-pVTZ//M06-2X/cc-pVDZ 方法研究了RCHOO(R=H,CH3)+NO2 反应的微观机理.结果表明,标题反应包括加成-分解、氧化-氢转移和直接抽氢三类反应通道,其中加成-分解和氧化-氢转移反应过程中生成产物RCO+HNO3.加成-分解反应表观活化能仅有16.06 kJ·mol-1 且释放大约218.00kJ·mol-1 的能量,是标题反应的主通道.
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