<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">Dear Mark</span></p>

<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"><br></span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify;">
<span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">thanks for your attention. <br></span></p>

<pre><span style="font-size: 11pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">I read manual before. I know that g_hbond is for hydrogen bond analysis. But I don’t know about Van der Waals interactions analysis and how to obtain percentage of them.</span></pre>


<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify;"><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">Please give me more information
about what I said.</span></p>

<br clear="all"><br>-- <br><pre style="font-family: arial,helvetica,sans-serif;">Leila Karami<br>Ph.D. student of Physical Chemistry<br>K.N. Toosi University of Technology<br>Theoretical Physical Chemistry Group</pre><br>