Dears

I am doing QM/MM calculations and trying to optimize a Gaussian input file of about 35000 atoms. QM region contains 60 atoms. But after a long time, I got an error that Max no. of micro-iterations restarts exceeded. Can anyone help me out?

Format of input file;

%chk=/home/SKD/work/gaussian/calculations/g23.chk

%mem=32GB

%nproc=16

#n oniom(hf/6-31g:UFF) opt=ReadFreeze scf=(xqc,maxcycle=1000)

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