`WF`,*elec,sym,spin*

where

*elec*:- is the number of electrons
*sym*:- is the number of the irreducible representation
*spin*:- defines the spin symmetry,
*spin*(singlet=0, doublet=1, triplet=2, etc.)

The WF card must be placed after any cards defining the orbital spaces
`OCC`, `CORE`, `CLOSED`.

The `REF` card can be used to define further reference symmetries used for
generating the configuration space, see `REF`.

molpro@molpro.net 2017-12-15