Physical Chemistry

Historical Background, Photoelectric Effect

Wave Nature of the Electron and the Internal Structure of an Atom

Two-Slit Experiment, Quantum Weirdness

Classical Wave Equation and Separation of Variables

Quantum Mechanics: Free Particle and Particle in 1D box

3-D Box and QM Separation of Variables

Classical Mechanical Harmonic Oscillator

Quantum Mechanical Harmonic Oscillator

The Harmonic Oscillator: Creation and Annihilation Operators

The Time-Dependent Schrödinger Equation

Wavepacket Dynamics for Harmonic Oscillator and PIB

Catch Up and Review, Postulates

From H_ij Integrals to H Matrices I

From H_ij Integrals to H Matrices II

Non-Degenerate Perturbation Theory I

Non-Degenerate Perturbation Theory II: HO using a,a^†

Rigid Rotor I. Orbital Angular Momentum

Rigid Rotor II. Derivation by Commutation Rules

Spectroscopy: Probing Molecules with Light

Hydrogen Atom I

Hydrogen Atom II. Rydberg States

Helium Atom

Many-Electron Atoms

Molecular Orbital Theory I. Variational Principle and Matrix Mechanics

Molecular Orbital Theory II. H₂⁺, A₂, AB Diatomics

Qualitative MO Theory: Hückel

Non-Degenerate Perturbation Theory III

Modern Electronic Structure Theory: Basis Sets

Modern Electronic Structure Theory: Electronic Correlation

Time-Dependent Perturbation Theory I. H is Time-Independent, Zewail Wavepacket

Time-Dependent Perturbation Theory II. 

H is Time-Dependent: Two-Level Problem

Intermolecular Interactions by Non-Degenerate Perturbation Theory

Electronic Spectroscopy: Franck-Condon

Electronic Spectroscopy and Photochemistry

δ-Functions, Eigenfunctions of X, Discrete Variable Representation

Time Dependence of Two-Level Systems: Density Matrix, Rotating Wave