Fe^+催化N2O与H2反应的理论探究

来源 :西北师范大学学报(自然科学版) | 被引量 : 0次 | 上传用户:zwb19860
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采用密度泛函理论(DFT )B3LYP与耦合簇(CCSD)方法,研究了气相中四重态和六重态势能面上Fe+催化N2 O氧化H2的微观机理。采用分子轨道理论和自然键轨道理论(NBO )对反应势能面进行分析,并通过自旋-轨道耦合(SOC)计算,讨论了势能面的交叉情况和自旋翻转的可能性。用 Kozuch提出的能量跨度模型,确定了整个反应的决速过渡态(TDTS)和决速中间体(TDI),最后计算了催化剂的转化频率(TOF),以评价催化剂的性能。
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