<div>Good day:</div><div>I was testing NaCl unit cell optimization using<br></div><div><br></div><div>&CELL_OPT: KEEP_SYMMETRY & KEEP_ANGLES<br>&GEO_OPT: LBFGS</div><div>GPW<br></div><div>EPS_DEFAULT 1.0E-12<br>DZVP<br>&DIAGONALIZATION: STANDARD<br>CUTOFF 1000<br>REL_CUTOFF 50<br>DFTD3 ... R_CUTOFF 15</div><div><br></div><div>It runs fine, <br></div><div>however, when I turn on</div><div>MULTIPLE_UNIT_CELL 2 2 2 <br></div><div>the optimization leads to a peculear deformatin.</div><div><br></div><div>I anticipate that, may be, the selectinof DZVP</div><div>under
CUTOFF 1000<br></div><div>and in presence of
DFTD3 <br></div><div>may not respect well the electronic nature of Na+ and Cl-</div><div>while under the extended space 2 2 2.</div><div><br></div><div>I attach the relevant files.</div><div>Would one comment - I be thankful.</div><div>Victor</div><div><br></div><div>PS: I should add that <br></div><div>I tested OT for 111 - runs very fast and very well.</div><div>At the same time, using<br></div><div>OPTIMIZER CG generates complete trash.</div><div>Victor</div><div></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div>
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