<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hello,<br><br>when I start the simulation my box vectors are the following :<br>16.89660 2.61581 2.07800 0.00000 0.00000 -0.43665 0.00000 0.00000 0.00000<br><br>and with the command (the final written step was at 40487):<br>trjconv -f traj.trr -dump 40487 -o out.gro<br><br>I got these box vectors:<br>22.35607 1.93762 2.21866 0.00000 0.00000 -1.78430 0.00000 0.11905 0.05522<br><br>Thank you,<br>Nikos<br><br></td></tr></table><br>