Pseudo

DescriptionOptionsFormatKeywordsSD ECP AvailabilityRelated KeywordsExamples Description This keyword requests that a model potential be substituted for the core electrons. The pseudopotential must be used with a compatible basis set. Gaussian supports a new effective...

Punch

DescriptionOptionsRelated Keywords Description This output specification keyword allows the user to “punch”—in more modern parlance, send to a separate output file—useful information at various points in the calculation. The output is disposed...

QCI

DescriptionOptionsAvailabilityRelated KeywordsExamples Description This method keyword requests a Quadratic CI calculation [Pople87], including single and double substitutions. Note that this keyword requests only QCISD and does not include the triples correction...

Restart

DescriptionAvailabilityRelated KeywordsExamples Description This keyword restarts a previously-failed job. This method is primarily intended for long jobs that involve sufficiently large amounts of intermediate data, so that saving the restart data in the checkpoint...

SAC-CI

DescriptionInputOptionsAvailabilityRelated KeywordsExamples Description The keyword selects the Symmetry Adapted Cluster/Configuration Interaction (SAC-CI) methods of Nakatsuji and coworkers [Nakatsuji78, Nakatsuji79, Nakatsuji79a, Nakatsuji91, Nakatsuji91a,...

Scan

DescriptionOptionsRelated KeywordsExamples Description This calculation type keyword requests that a potential energy surface (PES) scan be done. A rigid PES scan is performed, which consists of single point energy evaluations over a rectangular grid involving...