supported by the National Natural Science Foundation of China.
Until now,column chromatography is still the chief method for separation andpurification of C60/C70.The stationary phases used in the method can either be neutralalumina,graphite,activated charco...
Project supported by the National Natural Science Foundation of China
Based on the hybrid orbital theory of Pauling, Haddon developed the π-orbital axis vector (POAV) analysis for treating the hybridization and the orientation of π orbitals in nonplanar conjugated organic systems. H...
Since Kroto discovered the C60 molecules in 1985, much theoretical and experi-mental work has been done to study the physical and chemical properties of carbonclusters. A carbon cluster CN is lik...
In the valence bond theory, the hybridized forms of atomic orbitals, the compo-nents of each type of the atomic orbital in the hybridized orbital σ, the expressions ofthe hybridized orbitals and so on are all importa...