GUESS

The type of guess orbitals. Defaults to READ for geometry optimizations after the first step, to CORE for single atoms, and to SAD otherwise. The HUCKEL guess employs on-the-fly calculations like SAD, as described in doi:10.1021/acs.jctc.8b01089 which also describes the SAP guess.

• Type: string

• Possible Values: AUTO, CORE, GWH, SAD, SADNO, SAP, HUCKEL, READ

• Default: AUTO