<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">dear all, </div><div dir="ltr" data-setdir="false">here i am trying to relax a borophene 2 d structure typically beta12 borophene but when i vc relax it the cell expands and the atoms disperse and latr when the cell shrinks the atoms move further away ruining the geometry , i am being a new user cants figure out what is wrong with the code any hints and suggestions</div><div dir="ltr" data-setdir="false"><br></div></div></body></html>