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Donor-acceptor (DA) contribution into the intermolecular interaction (IMI) of fullerenes (C_ 60 and C_ 70 below) with amines is evidently dominant. A complex IMI potential, multi-well in general and two-well in particular, governs the final product formation in the ground state [1]. If a weakly coupled van der Waals charge transfer complexes are usually formed at large intermolecular distances, the tightly coupled monoadduct formation at short distances is not always evident and is dependent on a particular shape of the IMI potential. The ruling conditions, dictated by the IMI potential, gradually change between two limit cases shown in Fig.1. Shown on the left is the IMI potential related to the case when the fulleroid formation is energetically favorable with respect to both free neutral molecules and molecular ions states.
Donor-acceptor (DA) contribution into the intermolecular interaction (IMI) of fullerenes (C_ 60 and C_ 70 below) with amines is evidently dominant. A complex IMI potential, multi-well in general and two-well in particular, governs the final product formation in the ground state [1]. If a weakly coupled van der Waals charge transfer complexes are usually formed at large intermolecular distances, the tightly coupled monoadduct formation at short distances is not always evident and is dependent on a particular shape of the IMI potential. The ruling conditions, dictated by the IMI potential, gradually change between two limit cases shown in Fig.1. Shown on the left is the IMI potential related to the case when the fulleroid formation is energetically favorable favorable with respect to both free neutral molecules and molecular ions states.