Abstract The reaction mechanism of fulgide photochromism was investigated by PM3 semiempirical quantum chemistry method and MECI configuration interaction method in this paper.

• 摘要 采用PM3半经验量子化学计算方法和组态相互作用方法(MECI) ,通过逐点改变俘精酸酐分子开关化学键的键长 ,成功计算了呋喃取代的俘精酸酐分子开环体和闭环体沿基态、第一单重激发态和第一三重激发态互变的势能变化曲线。