orthonormal n、1)=+的=(H1+H2-H3-H4) (2)=+的=1(H1-H2+H;-H,) 0(3)=+0=(H1-H2-H2+H) 2 20218/21 Chemistry Departme nt of Fudan UniversityPhysical ChemistryI Chapter V Polyatomic Molecular Structure 2021/8/21 Chemistry Department of Fudan University 7 orthonormal ( ) 1 2 3 4 1 2 2 1 1 2 2 2 T ( ) = T +T = H + H − H − H ( ) 1 2 3 4 1 3 2 1 2 2 2 2 T ( ) = T +T = H − H + H − H ( ) 1 2 3 4 1 4 2 1 (3) 2 2 2 T = T +T = H − H − H + H