1CH2+N2O反应的势能面

来源 :物理化学学报 | 被引量 : 0次 | 上传用户:romeolg
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利用密度泛函理论(B3LYP)计算了1CH2+N2O反应的反应物、中间体、过渡态及产物的几何构型.进而用从头算方法(QCISD(T))计算了单点能量.由此描绘了反应的势能面,确定了反应的最终产物通道为N2+H2CO和NO+HCN+H.后者比前者有更大的分支比.N2、H2CO、NO、HCN的存在有待于实验检测.作者认为反应在室温下是加成-消除机理,而在高温下可以通过直接取代的机理获得N2+H2CO.
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