Dear All<br />
<br />
Thankyou very much for all the replies. the problem about overlap of atoms is solved. That was a <br />
input file mistake instead of crystal i used alat. And instead of elongate c axis i wrongly made <br />
a axis to elongate thankyou for all the suggestions.<br />
<br />
with regards<br />
ramesh<br><br>With regards<br />
<br />
K. Ramesh Kumar<br />
Research Scholar<br />
Department of Physics<br />
IIT-Madras<br />
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