CHM 501 Lecture

Topics Covered

Atomic Structure, Hydrogenic Wavefunctions, Multielectron Atoms

· understand the physical interpretation of quantum numbers; be able to write electron configurations

Periodic Properties

· ionization potentials, electron affinities, radii

Valence Shell Electron Pair Repulsion (VSEPR) model, hybridization

· write Lewis dot structures; predict geometries

Symmetry and Point Groups

· identify a point group for a molecule; locate symmetry operations

Using Group Theory and Character Tables

· find reducible and irreducible representations

Introduction to Molecular Orbital Theory

· understand the concepts of overlap; linear combinationof atomic orbitals

Simple MO diagrams for Diatomic Molecules

· generate MO diagrams for diatomic molecules

Using Group Theory for MO diagrams

Introduction to Ionic Compounds, Lattice Energies

· understand attractive and repulsive forces in ionic compounds; be able to identify an ionic compound from properties; be able to use theoretical lattice enregy equations

Experimental Measurement of Lattice Energy, Solvation, Deviations from Ionic Character

· Born-Haber cycles; the similarity between some solvation models and lattice energy; introduction of covalency to ionic compounds

Solid State Structure, Ionic Radius, Real Crystals

· be able to use cationic and anionic radii; identify simple closest-packed structures; defects in perfect crystals


· band theory; partially filled bands


· band gaps; n- and p-type semiconductors

Weak Interactions

· relative energies of different types of weak interactions; identify when they are present

Introduction to Transition Metals

· descriptive chemistry

Crystal Field Theory

· ionic model; the role of 10Dq

Group Theory; Low Symmetry Structures

· Jahn-Teller distortions; correlation tables; Td complexes

Electron Counting (Valence Bond) Theories; MO Theory

· EAN rule; ligand field theory

Spectroscopy of Transition Metal Complexes

· magnitude of allowed vs forbidden transitions; Tanabe-Sugano diagrams