Molecular Orbital Theory

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Transcript Molecular Orbital Theory

Molecular Orbital Theory
AP Chemistry
Figure 9.25 The Combination of
Hydrogen 1s Atomic Orbitals to
Form Molecular Orbitals
Figure 9.26 (a)
The Molecular
Orbital EnergyLevel Diagram for
the H2 Molecule
(b) The Shapes of
the Molecular
Orbitals are
Obtained by
Squaring the Wave
Functions for MO1
and MO2
Figure 9.27 Bonding and Antibonding
Molecular Orbitals (MOs)
Figure 9.28
Molecular
Orbital
Energy-Level
Diagram for
the H2
Molecule
Figure 9.29 The Molecular Orbital
Diagram for H2- Ion
Figure 9.30 The Molecular Orbital
Diagram for He2 Molecule
Figure 9.31 The Relative Sizes of
the Lithium 1s and 2s Atomic
Orbitals
Figure 9.32 The Molecular Orbital
Diagram of the Li2 Molecule
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).
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 Antibonding (b) Two p
Orbitals that Lie Parallel
Overlap to Produce Two
pi Molecular Orbitals,
One Bonding and One
Anti-bonding
Figure 9.35 Expected Molecular Orbital
Diagram Resulting From the Combination
of the 2p Orbitals on Two Boron Atoms
Figure 9.36
The
Expected
Molecular
Orbital
EnergyLevel
Diagram for
the B2
Molecule
Figure 9.37
Apparatus Used
to Measure the
Paramagnetism
of a Sample
Figure 9.38
The Correct
Molecular
Orbital EnergyLevel Diagram
for the B2
Molecule
The Molecular Orbital Diagrams, Bond
Orders, Energies, and Lengths for the
Diatomic Molecules B2 Through F2
Figure 9.41
The
Molecular
Orbital
EnergyLevel
Diagram
for the NO
Molecule
Figure 9.42 The
Molecular Orbital
Energy-Level
Diagram for Both
the NO+ and CNions
A Partial Molecular Orbital Diagram
for the HF Molecule
Electron Distribution
(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
(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