a.u.(质量)= me = 9.109534×10-31 Kg,[另:1 a.m.u.(质量)= 1822 a.u.]
原子单位与
国际单位的关系为:
1 a.u.(长度)= a0 = 4πε0'2/(mee2) = 0.5291772083×10-10 m = 0.5291772083 Å 1 a.u.(质量)= me = 9.109534×10-31 Kg,[另:1 a.m.u.(质量)= 1822 a.u.]
1 a.u.(电荷)= e =1.6021892×10-19 C
1 a.u.(能量)= 1 Hartree = mee4/((4πε0)2'2) = 27.2114 eV
1 a.u.(
角动量)= ' = 1.0545887×10-34 J·s
1 a.u.(力常数)= 1.5569×106 dyn/cm
1 a.u.(时间)= 2.4189×10-17 s