氧气分子的零点能
wavenumber:
$$ \tilde{\nu}=1580 \mathrm{cm^{-1}} $$
(K. P. Huber, G. Herzberg - Molecular Spectra and Molecular Structure IV. Constants of Diatomic Molecules)
light speed:
$$ c=2.998 \times 10^{8} \mathrm{m/s} $$
fundamental vibrational frequency:
$$ \nu_{0}= \tilde{\nu}c=4.73684 \times 10^{13} \mathrm{s^{-1}} $$
Planck's constant:
$$ h=6.626 \times 10^{-34} \mathrm{J \cdot s} $$
zero-point energy (ground state):
$$ E_{0}=\frac{1}{2} h \nu_{0}=1.57 \times 10^{-20} J $$
还有一些文献说的是787.38cm-1
forbidden transition?
