four molecular orbitals are: v1=C11+C1H1 C22+C2H2 C33+C V4=C4O4+C4H4 2 3 20218/21 Chemistry Departme nt of Fudan University 11Physical ChemistryI Chapter V Polyatomic Molecular Structure 2021/8/21 Chemistry Department of Fudan University 11 four molecular orbitals are: 1 C1 1 C 1 H1  =  + ' 2 2 2 2 2  =C  +C' H 3 C3 3 C 3 H3  =  + ' 4 C4 4 C 4 H4  =  + ' C1 = C2 = C3 = C4 1 2 3 4 C' = C' = C' = C