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For describing a single gaussian function at any position in space, and with a given angular momentum l.
The gaussian module is used mainly to help in defining gaussian pair data (see the GAUSSIAN2 module) or gaussian quartet data (see the GAUSSIAN4 module). These are used for one-electron and two electron integrals.
There is no associated GAUSSIANVEC type; an input data order has not been defined.
Read the exponent of the gaussian.
Read either an integer representing the l value of the gaussian; or read a single character representing the angular momentum.
If the inputted data in an integer, it must be non-negative
If the inputted data in a character is must be s, p, d, f, g, ..., z
See also l_chr= and l_int=
Read a single character representing the angular momentum of the gaussian.
Must be s, p, d, f, g, ..., z
See also l= and l_int=
Read a single integer which is the angular momentum of the gaussian.
Inputted data must be non-negative
See also l= and l_chr=
Read the position of the gaussian.
Read a string which describes the units of the next inputted numerical entity; that is, the next real or complex number, real or complex vector, or real or complex matrix.
The default atomic units are restored after the numerical entity has been inputted
Warning: if the next inputted datum is not a numerical entity, the new units keyword remains in force