<html dir=""><head><style id="axi-htmleditor-style" type="text/css">p { margin: 0px; }</style></head><body style="font-size: 10pt; font-family: Arial; background-image: none; background-repeat: repeat; background-attachment: fixed;">Thank you dear Luarence <br><br>I run the volume optimization with that script but there is two question?<br><br>1- Did the lattice obtain from equation of state, optimized with both degree of freedoms (lattice parameter and atomic position) ?<br>2-How can i find the optimized atomic position from the results?<br></body></html>