DescriptionOptionsAvailabilityLimitationsExamples Description The Field keyword requests that a finite field be added to a calculation. In Gaussian, the field can either involve electric multipoles (through hexadecapoles) or a Fermi contact term. Field requires a...
DescriptionAvailability Description Force the use of the fast multipole method [Greengard87, Greengard88, Greengard94, Burant96, Burant96a, Burant96b, Strain96, Millam97, Izmaylov06] if possible. The use of FMM is automated in Gaussian 16. Gaussian 16 generally turns...
DescriptionOptionsAvailabilityExamples Description This calculation-type keyword requests a single calculation of the forces on the nuclei (i.e., the gradient of the energy). The dipole moment is also computed (as a proper analytic derivative of the energy for MP2,...
DescriptionCalculation VariationsInputOptionsAvailabilityRelated KeywordsExamplesReadAnharm InputReadFCHT Input Description This calculation-type keyword computes force constants and the resulting vibrational frequencies. Intensities are also computed. By default, the...
DescriptionInputExamplesRelated KeywordsBasis Function Overview Description A set of standard basis sets is stored internally in Gaussian (see the Basis Sets page); these basis sets may be specified by including the appropriate keyword within the route section for the...
DescriptionOptionsRelated KeywordsGIC Info Description The Geom keyword specifies the source of the molecule specification input, options related to coordinate definitions, and geometry-related output. By default, it is read from the input stream, as described...
