用经典轨迹方法，在π－ＣＩ势能面水平上计算了烯酮光化二聚的Ｈｕｃｋｅｌ途径和Ｍｏｂｉｕｓ途径的非绝热耦合项。根据非绝热跃迁几率的Ｌａｎｄａｕ－Ｚｅｎｅｒ公式，定义η＝ｌｎＰ（Ｈ）／ｌｎＰ（Ｍ）并用以讨论光化......

<正> The S1→S0 nonadiabatic coupling terms are calculated for different reaction modes of concerted [2 + 4] photocycloa......