Contents
xi
18.6 The Lithium Atom
781
18.7 Atoms with More Than Three Electrons
784
Chapter 19 The Electronic States of Atoms. III. Higher-Order
Approximations
789
19.1 The Variation Method and Its Application to the Helium
Atom
790
19.2 The Self-Consistent Field Method
796
19.3 The Perturbation Method and Its Application to the Ground
State of the Helium Atom
799
19.4 Excited States of the HeliumAtom. Degenerate Perturbation
Theory
803
19.5 The Density Functional Method
805
19.6 Atoms with More Than Two Electrons
806
Chapter 20 The Electronic States of Diatomic Molecules
823
20.1 The Born–Oppenheimer Approximation and the Hydrogen
Molecule Ion
824
20.2 LCAOMOs.Approximate Molecular Orbitals ThatAre Linear
Combinations of Atomic Orbitals
833
20.3 Homonuclear Diatomic Molecules
838
20.4 Heteronuclear Diatomic Molecules
851
Chapter 21 The Electronic Structure of Polyatomic Molecules
867
21.1 The BeH 2 Molecule and the sp Hybrid Orbitals
868
21.2 The BH 3 Molecule and the sp 2 Hybrid Orbitals
871
21.3 The CH 4 , NH 3 , and H 2 O Molecules
and the sp 3 Hybrid Orbitals
873
21.4 Molecules with Multiple Bonds
878
21.5 The Valence-Bond Description of Polyatomic Molecules
881
21.6 Delocalized Bonding
885
21.7 The Free-Electron Molecular Orbital Method
892
21.8 Applications of Symmetry to Molecular Orbitals
894
21.9 Groups of Symmetry Operators
896
21.10 More Advanced Treatments of Molecular Electronic
Structure. Computational Chemistry
904
Chapter 22 Translational, Rotational, and Vibrational States of Atoms and
Molecules
915
22.1 The Translational States of Atoms
916
22.2 The Nonelectronic States of Diatomic Molecules
919
22.3 Nuclear Spins and Wave Function Symmetry
930
22.4 The Rotation and Vibration of Polyatomic
Molecules
933
22.5 The Equilibrium Populations of Molecular States
942
Chapter 23 Optical Spectroscopy and Photochemistry
949
23.1 Emission/Absorption Spectroscopy and Energy Levels
950
23.2 The Spectra of Atoms
959
23.3 Rotational and Vibrational Spectra of Diatomic
Molecules
961
23.4 Electronic Spectra of Diatomic Molecules
972
xi
18.6 The Lithium Atom
781
18.7 Atoms with More Than Three Electrons
784
Chapter 19 The Electronic States of Atoms. III. Higher-Order
Approximations
789
19.1 The Variation Method and Its Application to the Helium
Atom
790
19.2 The Self-Consistent Field Method
796
19.3 The Perturbation Method and Its Application to the Ground
State of the Helium Atom
799
19.4 Excited States of the HeliumAtom. Degenerate Perturbation
Theory
803
19.5 The Density Functional Method
805
19.6 Atoms with More Than Two Electrons
806
Chapter 20 The Electronic States of Diatomic Molecules
823
20.1 The Born–Oppenheimer Approximation and the Hydrogen
Molecule Ion
824
20.2 LCAOMOs.Approximate Molecular Orbitals ThatAre Linear
Combinations of Atomic Orbitals
833
20.3 Homonuclear Diatomic Molecules
838
20.4 Heteronuclear Diatomic Molecules
851
Chapter 21 The Electronic Structure of Polyatomic Molecules
867
21.1 The BeH 2 Molecule and the sp Hybrid Orbitals
868
21.2 The BH 3 Molecule and the sp 2 Hybrid Orbitals
871
21.3 The CH 4 , NH 3 , and H 2 O Molecules
and the sp 3 Hybrid Orbitals
873
21.4 Molecules with Multiple Bonds
878
21.5 The Valence-Bond Description of Polyatomic Molecules
881
21.6 Delocalized Bonding
885
21.7 The Free-Electron Molecular Orbital Method
892
21.8 Applications of Symmetry to Molecular Orbitals
894
21.9 Groups of Symmetry Operators
896
21.10 More Advanced Treatments of Molecular Electronic
Structure. Computational Chemistry
904
Chapter 22 Translational, Rotational, and Vibrational States of Atoms and
Molecules
915
22.1 The Translational States of Atoms
916
22.2 The Nonelectronic States of Diatomic Molecules
919
22.3 Nuclear Spins and Wave Function Symmetry
930
22.4 The Rotation and Vibration of Polyatomic
Molecules
933
22.5 The Equilibrium Populations of Molecular States
942
Chapter 23 Optical Spectroscopy and Photochemistry
949
23.1 Emission/Absorption Spectroscopy and Energy Levels
950
23.2 The Spectra of Atoms
959
23.3 Rotational and Vibrational Spectra of Diatomic
Molecules
961
23.4 Electronic Spectra of Diatomic Molecules
972