Practical Exercises in Quantum
Chemistry
Program
Basic
Skills
1.Getting
Started
Introduction to Quantum Chemistry User Interface
The Molecular Editor
2.Compute
& Analyze
Set Up Calculation
Launch Calculation
Monitor Running Job
Analyze Results
Auxiliary Excercises
Production Series
1.Glyoxal
Isomerization
Calculate the Equilibrium Structure
Find the Transition State Structure
Further Computations
2.The Water
Dimer
Calculate the Equilibrium Structure
Saddlepoints on the Potential Energy Hypersurface
Basis Set Superposition Error (BSSE)
3.Woodward-Hoffmann
Rules: The Dissociation Reaction CH2=O => C=O + H2
Symmetry Considerations
Compute the Transition State
1,2 Hydrogen shift
4.Van der
Waals Interactions
Calculate the Helium Atom
Calculate the Helium Dimer
Lennard-Jones Potential
BSSE Considerations
Calculate the Helium Trimer
5.Rotation-Vibration
Spectrum of HCl
Generate Energy Points
Fit the Potential Curve
6.Thermochemistry:
The Computation of a Heat of Reaction at Room Pressure and Temperature
Optimize Geometries
Correct for ZPVE
Estimate the Translational, Rotational, and Vibrational Thermal
Energies
Relate Internal Energy and Enthalpy
7.Kinetics:
The Methyl-Hydrogen Reaction
Preliminary Calculations
Using TheRate Program