a.u., eV, J
1[a.u.]=4.3598E-18[J]
1[eV]=1.60217733E-19[J]
1[eV]=0.036748872195972292306986559016469[a.u.]
1[au]=27.211719441817342403665142359741[eV]
1[J]>>1[a.u.]>1[eV]
1[a.u.]=4.3598E-18[J]
1[eV]=1.60217733E-19[J]
1[eV]=0.036748872195972292306986559016469[a.u.]
1[au]=27.211719441817342403665142359741[eV]
1[J]>>1[a.u.]>1[eV]