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Effect of vibronic coupling on the long range intermolecular interaction
Author(s) -
Yamabe Tokio,
Asai Yoshihiro
Publication year - 1987
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560320757
Subject(s) - vibronic coupling , intermolecular force , atomic physics , polarization (electrochemistry) , chemistry , range (aeronautics) , coupling (piping) , hydrogen molecule , molecule , physics , molecular physics , quantum mechanics , materials science , metallurgy , composite material
The nonadiabatic energy correction term of the hydrogen molecule at large separation is discussed to determine whether or not the nuclear motion induces the inter‐atomic interaction potential. Nonadiabatic vibrational motion of nuclei induces the internal charge polarization of atoms to give the novel correction term to the London R −6 force. The correction term is (4/ M ) (1/ R 3 ), which is important at large R despite the overwhelming magnitude of nuclear mass.