<p>Hi Afsaneh,</p>
<p>The PBC and the .gro file format are explained in the manual, chapter 3.<br>
The last line of the .gro file has the box stored as</p>
<p>XX YY ZZ XY XZ YX YZ ZX ZY</p>
<p>Cheers,</p>
<p>Tsjerk</p>
<p><blockquote type="cite">On Mar 5, 2011 6:03 AM, &quot;afsaneh maleki&quot; &lt;<a href="mailto:maleki.afsaneh@gmail.com">maleki.afsaneh@gmail.com</a>&gt; wrote:<br><br>Hi,<br><br>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">I want to
create  <span></span>*.gro file with simulation box size as
following:<span>    </span></span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span> </span>3.4604674520000<span>      </span>0.000000000000<span>      </span>0.000000000000</span></p>



<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span> </span>1.7302337260000<span>     </span>2.9968527222000<span>      </span>0.000000000000</span></p>



<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span> </span>0.000000000000<span>   </span><span> </span><span>   </span>0.000000000000<span>  </span><span>  </span><span>  </span>10.0000000000</span></p>



<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">I
used the command:</span><span style="font-size:12pt;line-height:115%"></span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">]editconf <span>    </span>–f  *.pdb<span> 
</span><span> </span>–o *.gro <span> </span><span> </span>–box  3.46
<span>  </span>3.46 <span> </span> 10.<span>  </span><span> </span><span> </span>–c <span>  </span><span> </span>–angle
<span> </span>90 <span> </span>90 <span> </span>60</span></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"> are these commands  proper to create this </span><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">simulation box size?</span><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"> </span></p>



<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>  </span></span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span> </span>system size :<span> 
</span>4.975<span>  </span>2.951<span>  </span>0.084 (nm)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>center<span>     
</span>:<span>  </span>0.025<span>  </span>0.548<span> 
</span>0.966 (nm)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>box vectors :<span>  </span>0.000<span> 
</span>0.000<span>  </span>0.000 (nm)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>box angles<span> 
</span>:<span>   </span>0.00<span>   </span>0.00<span>  
</span>0.00 (degrees)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>box volume<span> 
</span>:<span>   </span>0.00<span>               </span>(nm^3)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>shift<span>      
</span>:<span>  </span>2.570<span>  </span>0.951<span> 
</span>4.034 (nm)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">new center<span>      </span>:<span> 
</span>2.595<span>  </span>1.498<span>  </span>5.000 (nm)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">new box vectors
:<span>  </span>3.460<span> 
</span>3.460 10.000 (nm)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">new box
angles<span>  </span>:<span> 
</span>90.00<span>  </span>90.00<span>  </span>60.00 (degrees)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">new box
volume<span>  </span>: 103.68<span>               </span>(nm^3)</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"> </span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Also I paste
some .gro file</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>1<span>      
</span>NAU<span>   </span>39<span>   </span>1.759<span>  
</span>1.647<span>   </span>4.998</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>1<span>      
</span>HAC<span>   </span>41<span>   </span>1.855<span>  
</span>1.618<span>   </span>4.993</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>    </span>1<span>      
</span>HAB<span>   </span>40<span>   </span>1.686<span>  
</span>1.578<span>   </span>5.002</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:150%"><span style="font-size:12pt;line-height:150%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span>   </span>3.46000<span>  
</span>2.99645 <span> </span><span> </span>10.00000<span>  
</span>0.00000<span>   </span>0.00000<span>   </span>1.73000<span>  
</span><span style="color:rgb(255, 0, 0)">0.0000   -0.0000   -0.00000</span></span></p>

<p class="MsoNormal"><span style="font-size:12pt;line-height:115%"> </span></p>

<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">What is three last values in box
vector,<span style="color:rgb(255, 0, 0)">0.00 -0.00 -.0</span></span><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;;color:rgb(255, 0, 0)"> </span><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><span style="color:rgb(255, 0, 0)">0</span>?</span></p>



<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"></span></p><br><p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Would one please clear me about these vectors?</span></p>



<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"> </span></p><p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">3.46000<span>   </span>2.99645 <span> </span><span> </span>10.00000<span>  
</span>0.00000<span>   </span>0.00000<span>   </span>1.73000<span>  
</span><span style="color:rgb(255, 0, 0)">0.0000   -0.0000   -0.00000</span></span></p>

<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">xx
<span>          </span>yy<span>                 </span>zz<span>                 </span>?<span>             </span>?<span>              </span>xy<span>          </span>?<span>            </span>?<span>             </span>?</span></p>

<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><br></span></p>

<p class="MsoNormal"><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">I
have another question that </span><span style="font-size:12pt;line-height:115%;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">does  g_hbond has the
compatibility with non-cubic (or parallelpiped) cells?</span></p>

<br clear="all"><br>good luck<br><font color="#888888">Afsaneh <br><br>
</font><br>--<br>
gmx-users mailing list    <a href="mailto:gmx-users@gromacs.org">gmx-users@gromacs.org</a><br>
<a href="http://lists.gromacs.org/mailman/listinfo/gmx-users" target="_blank">http://lists.gromacs.org/mailman/listinfo/gmx-users</a><br>
Please search the archive at <a href="http://www.gromacs.org/Support/Mailing_Lists/Search" target="_blank">http://www.gromacs.org/Support/Mailing_Lists/Search</a> before posting!<br>
Please don&#39;t post (un)subscribe requests to the list. Use the<br>
www interface or send it to <a href="mailto:gmx-users-request@gromacs.org">gmx-users-request@gromacs.org</a>.<br>
Can&#39;t post? Read <a href="http://www.gromacs.org/Support/Mailing_Lists" target="_blank">http://www.gromacs.org/Support/Mailing_Lists</a><br></blockquote></p>