GEOMETRY
DIIS {N=NVect} {CYC=Ncyc}
..
END
DIIS N=NVect CYC=Ncyc
Can only be used in combination with the new branch. NVect is the number of vectors used by the DIIS interpolation method. NCYC is the number of geometry cycles run before the DIIS starts to modify the geometry steps. Default DIIS is used and default N=5 and CYC=0.
