Molecular Orbital Theory

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Molecular Orbital Theory

• AP Chemistry

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Figure 9.25 The Combination of Hydrogen 1s
Atomic Orbitals to Form Molecular Orbitals
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Figure 9.26 (a) The Molecular Orbital
Energy-Level Diagram for the H2 Molecule (b) The
Shapes of the Molecular Orbitals are Obtained by
Squaring the Wave Functions for MO1 and MO2
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Figure 9.27 Bonding and Antibonding Molecular
Orbitals (MOs)
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Figure 9.28 Molecular Orbital Energy-Level
Diagram for the H2 Molecule
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Figure 9.29 The Molecular Orbital Diagram for
H2- Ion
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Figure 9.30 The Molecular Orbital Diagram for
He2 Molecule
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Figure 9.31 The Relative Sizes of the Lithium 1s
and 2s Atomic Orbitals
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Figure 9.32 The Molecular Orbital Diagram of the
Li2 Molecule
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Figure 9.33 Two Pairs of Parallel p Orbitals Can
Overlap as Shown in (b) and (c), and the Third
Pair Can Overlap Head-On as Shown in (d).
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Figure 9.34 a-b (a) The Two p Orbitals on the
Boron Atom that Overlap Head-On Produce Two o
Molecular Orbitals, One Bonding and One
Anti-bonding (b) Two p Orbitals that Lie Parallel
Overlap to Produce Two pi Molecular Orbitals, One
Bonding and One Anti-bonding
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Figure 9.35 Expected Molecular Orbital Diagram
Resulting From the Combination of the 2p Orbitals
on Two Boron Atoms
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Figure 9.36 The Expected Molecular Orbital
Energy-Level Diagram for the B2 Molecule
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Figure 9.37 Apparatus Used to Measure the
Paramagnetism of a Sample
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Figure 9.38 The Correct Molecular Orbital
Energy-Level Diagram for the B2 Molecule
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The Molecular Orbital Diagrams, Bond Orders,
Energies, and Lengths for the Diatomic Molecules
B2 Through F2
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Figure 9.41 The Molecular Orbital Energy-Level
Diagram for the NO Molecule
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Figure 9.42 The Molecular Orbital Energy-Level
Diagram for Both the NO and CN- ions
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A Partial Molecular Orbital Diagram for the HF
Molecule
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Electron Distribution
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(a) The Molecular Orbital System in Benzene is
Formed by Combining the six p Orbitals From the
Six sp2 Hybridized Carbon Atoms (b) The Electrons
in the Resulting pi Molecular Orbitals are
Delocalized Over the Entire Ring of Carbon Atoms
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(a) The p Orbitals Used to Form the Pie Bonding
System in the NO3-. (b) A Representation of the
Delocalization of the Electrons in the Pie
Molecular Orbital System of the NO3- ion