Name

NONET — RHF nonet state required.

Synopsis

 NONET 

Description

Constrains the spin multiplicity of the primary CI eigenstate to be 9, i.e., a nonet, corresponding to 8 unpaired electrons. For ROOT=n, the nth lowest-energy nonet CI eigenstate will be the primary eigenstate.

Abbreviation:

NONE

Requires:

none

Default value:

none

See also:

C.I., ROOT, OPEN, SINGLET, DOUBLET, etc.