Changes Between Gaussian 09 and Gaussian 03

This section briefly summarizes the major differences between Gaussian 09 and Gaussian 03. See earlier sections of the manual for full details on these features (including references). A retrospective summary of the features of Gaussian versions is available on our website at www.gaussian.com/g_ur/gdiffs.htm.

New Methods and Features

Energies and Derivatives

ONIOM

Solvation

Geometry Optimizations and IRCs

Molecular Properties

Analysis and Output

Other New Features

Efficiency Improvements

Functional Differences Between Gaussian 09 and Gaussian 03

Enhancements to Utility Programs


Last updated on: 9 Jun 2009