[Pw_forum] Point group changes when I modify ecutrho

[Bahadır SALMANKURT]

Dear All,

I have been calculating structure parameter of ZrBeSi type crystal, whose
point group is D6_h. When I take ecutrho as 500 Ry, everything is ok. But
When I decrease ecutrho from 500 to 480 , its point group become D3_d even
if crystal_sg is used.

Why does such a thing happen?

Thanks in advance
-- 

Bahadır SALMANKURT
Ph.D. Candidate
Department of Physics, Sakarya University, TURKEY
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