●物理化学 3-1 Covalence bond Theory 11 +n+y/(r)=E(R)(r) 2 b2 R Linear variational method Trial Eigenfunction =C1W1+C2v2 v1=v(1)(2)v2=V2(26(1 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 10 (r) E(R) (r) r r r r R r a a b b a b   =       −  −  − − − − + + 1 2 1 2 1 2 2 2 2 1 1 1 1 1 1 1 2 1 2 1 Linear Variational Method (1) (2) 1 = a b (2) (1)  2 = a  b Trial Eigenfunction  = C1 1 +C2 2 3-1 Covalence bond Theory