<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div>Hi Anindita,<div><br></div><div>This program I had a long time ago and unfortunately it has been lost during my movings.</div><div><br></div><div>I think you should try to contact: </div><div><div>Andrei. Gurtovenko</div><div>Biophysics and Soft Matter Group</div><div>Laboratory of Physics</div><div>Helsinki University of Technology</div><div>P.O.Box 1100</div><div>FIN-02015 HUT</div><div>Finland</div><div>Tel.: +358-9-4515803</div><div>e-mail: <a href="mailto:agu@fyslab.hut.fi">agu@fyslab.hut.fi</a></div><div><br></div><div>He had a version and if my memory is correct he modified it to an even better</div><div>version. </div><div><br></div><div>It would actually be useful if someone could post a existing version of PN orientation.</div><div><br></div><div>XAvier.</div></div><div><div><div><br></div><div>On Feb 10, 2009, at 2:12 PM, ANINDITA GAYEN wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td valign="top" style="font: inherit;">Dear<span style="font-family: monospace;"> </span>Xavier Periole <br> I am a GROMACS user, presently working with DM<span>PC b</span>ilayer.. I want to calculate the orientation of the head groups P-N vector. From gmx-users, I have came to know that you have a program that can determine the angle of the PN vector (or what ever pair of atoms) relative to the z axis. <br> If possible, can you please provide me that program or tell me how can i calculate that?<br> <br> Thanks in advance.<br> <br> Ms. Anindita Gaye<span>n<br> C/</span>O Dr. Chaitali Mukhopadhyay<br> Senior Research Fellow<br> Department of Chemistry<br> University of Calcutta<br> 92, A. P. C. Road<br> Kolkata-700 009<br> India<br><br> </td></tr></tbody></table><br> <!--6--><hr size="1"> Add more friends to your messenger and enjoy! <a href="http://in.rd.yahoo.com/tagline_messenger_6/*http://messenger.yahoo.com/invite/"> Invite them now.</a>_______________________________________________<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 http://www.gromacs.org/search before posting!<br>Please don't post (un)subscribe requests to the list. Use the <br>www interface or send it to gmx-users-request@gromacs.org.<br>Can't post? Read http://www.gromacs.org/mailing_lists/users.php</blockquote></div><br></div></body></html>