2.等瓣(等叶片)相似 R Hoffmann,(Nobel Lecture, 1982) Building bridges between Inorganic and Organic Chemistry Angew. Chemie. Vol 21, 10(1982)711-724 有机分子片:CH3 CH2 CH 无机分子片:M(CO)5MCO4M(CO3有机分子片: CH3 CH2 CH 无机分子片: M(CO)5 M(CO)4 M(CO)3 2. 等瓣(等叶片)相似 R. Hoffmann, (Nobel Lecture, 1982) “Building Bridges between Inorganic and Organic Chemistry” Angew. Chemie. Vol 21, 10(1982)711-724