●物理化学 3-1 Covalence bond Theory E +=2E再+ Q+4 l+S12 1+S2 实验值 b 理论值 H 11 H E 12=2E 1-S, Heitler -London 087AD=3.22eI FORCE CURVE FOR H-H INTERACTIONS Shoujing wang王守竟 70=0.74AD=376e D=474e 70=0.742A INTERNUCLEAR SEPARATIONKIN au 2021/8/21 复旦大学化学系物理化学I 2021/8/21 复旦大学化学系 15 r0 = 0.74A De = 3.76eV r0 = 0.742A De = 4.74eV Heitler-London Shoujing Wang 王守竟 r0 = 0.87A De = 3.22eV 3-1 Covalence bond Theory 2 12 11 12 1 2 1 ab I H S Q A E S H H E + + = + + + = 2 12 11 12 1 2 1 ab II H S Q A E S H H E − − = + − − =