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<p class="MsoNormal">Hi,<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">&nbsp;<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">I am trying to write a code for Deuterium order parameter of DOPC lipid. I went through the code in gmx_order.c, I did the following,<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">&nbsp;<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:-.25in">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I took the carbons in the chain, and found its neighbors.<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:-.25in">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Took the bilayer normal and found the angle between the bilayer normal and the &#8211;CH molecular axis.<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:-.25in">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Took care of the periodic boundary conditions since I use NPT ensemble.<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">&nbsp;<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">But the code in gmx_order.c in GROMACS tries to do a lot of things other than this, as I don&#8217;t know C or C&#43;&#43; language that it is using, I don&#8217;t know what else I am supposed to include.<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">&nbsp;<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">Can someone please help me?<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">&nbsp;<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal">Ramya <span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">
<o:p></o:p></span></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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