科研之友
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摘要
The analytical potential energy functions have been calculated for the ground state X-1 sigma(+)(g) and four excited electronic states a(1)pi(g), A(3)sigma(+)(u), B '(3)sigma(-)(u) and B-3 pi(g) of N-2 molecule using the algebraic and energy-consistent methods (AM-ECM). Based on our previously published full AM vibrational energies and spectroscopic constants, the low-lying force constants f(n), the expansion coefficients a(n) and the variational parameters lambda in the AM-ECM potentials are determined for these states. The computed AM-ECM potential energy curve of each state is in excellent agreement with the experimental data and better than other analytical potentials.
