Welcome to the Gaussian Website 
Current Gaussian 09 Revision: ** D.01 **
Announcing Rev. D, featuring:
- Anharmonic IR intensities and other enhancements
- New DFT functionals: APFD, HISSbPBE, M11 and others from the
Truhlar group
- Two-step Raman and ROA jobs
- Variations to the aug-cc-pV*Z basis sets
- Performance improvements
See the release notes for more information
Prev. Revs: Platforms/Rel. Notes G03 Links: Citation Manual