Qmmm maxiter
From NWChem
maxiter [maxiter1] [maxiter2] [maxiter3]
This directive controls maximum number of iterations for the optimizations of regions as defined by by regions directive. User is strongly encouraged to set this directive explicitly as the default value shown below may not be appropriate in all the cases:
if(region.eq."qm") then maxiter = 20 else if (region.eq."qmlink") then maxiter = 20 else if (region.eq."mm") then maxiter = 100 else if (region.eq."solvent") then maxiter = 100 else maxiter = 50 end if