<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Mar 16, 2009, at 5:51 PM, Antonia V. wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="hmmessage" style="font-size: 10pt; font-family: Verdana; "><font color="#000000"><tt><pre>Hello,<br><br>I am wondering if there is a tool implemented in GROMACS that computes the<br>coordinates of the center of mass of each molecule of a simulation box.<br><br></pre></tt></font></div></span></blockquote>g_traj -f traj.xtc -com <br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="hmmessage" style="font-size: 10pt; font-family: Verdana; "><font color="#000000"><tt><pre>Thank you<br>Antonia<br></pre></tt></font><br><hr>Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy!<span class="Apple-converted-space"> </span><a href="http://spaces.live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx&mkt=en-us" target="_new">Try it!</a><span class="Apple-converted-space"> </span>_______________________________________________<br>gmx-users mailing list <a href="mailto:gmx-users@gromacs.org">gmx-users@gromacs.org</a><br><a href="http://www.gromacs.org/mailman/listinfo/gmx-users">http://www.gromacs.org/mailman/listinfo/gmx-users</a><br>Please search the archive at<span class="Apple-converted-space"> </span><a href="http://www.gromacs.org/search">http://www.gromacs.org/search</a><span class="Apple-converted-space"> </span>before posting!<br>Please don't post (un)subscribe requests to the list. Use the<span class="Apple-converted-space"> </span><br>www interface or send it to<span class="Apple-converted-space"> </span><a href="mailto:gmx-users-request@gromacs.org">gmx-users-request@gromacs.org</a>.<br>Can't post? Read<span class="Apple-converted-space"> </span><a href="http://www.gromacs.org/mailing_lists/users.php">http://www.gromacs.org/mailing_lists/users.php</a></div></span></blockquote></div><br></body></html>