In the H 2 molecule the two hydrogen electrons go into the lowest energy MO. It has higher energy than that of atomic orbitals from which it is formed.Įlectron charge density in between the nuclei is low thus the ABMO does not favours the bond formation. The energy diagrams are shown in Figure 2. It has lower energy than that of atomic orbitals from which it is formed.Įlectron charge density in between the nuclei is high and hence the repulsion between the nuclei is very low and thus the BMO favours the stable bond formation.Īnti Bonding Molecular OrbitalAntibonding molecular orbitals are formed by the subtraction of atomic orbitals. Specifically, it displays the sigma bonding and antibonding orbitals respectively below and above. creates bonds from overlap of atomic orbitals ( s, p, d ) and hybrid orbitals ( sp, sp2, sp3 ) combines atomic orbitals to form molecular orbitals (,, , ) forms or bonds. considers electrons delocalized throughout the entire molecule. Molecular orbital Diagrams: Homonuclear Diatomic Molecules up to N 2 (i.e. The molecular orbital diagram reflects these energy changes. considers bonds as localized between one pair of atoms. Chemistry Important Questions Class 12 | ExamseggBond order can easily be calculated by Moleculat Orbital Diagram by the following formula-īond Order = 1/2(Bonding Electrons − Antibonding Electrons)īonding Molecular OrbitalBonding molecular orbitals are formed by the combination of atomic orbitals. Molecular Orbital Theory & MO Diagrams Inorganic Chemistry.
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