<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">hi<br><span id="result_box" class="short_text" lang="en"><span style="" title="">If you want </span></span>to draw  the  electron density plot (3D ) with Xcrysden for spin up rename or delete case.clmvaldn&nbsp; <br><span id="result_box" class="short_text" lang="en"><span style="" title="">because xcrysden&nbsp; subtracts density of&nbsp; </span></span>case.clmvaldn from that of&nbsp; <span id="result_box" class="short_text" lang="en"><span style="" title=""> </span></span>case.clmvalup (SUB option) or adds densities from <span id="result_box" class="short_text" lang="en"><span style="" title=""></span></span>case.clmvaldn and case.clmvalup (ADD option) so for single spin density <span id="result_box" class="short_text" lang="en"><span style="" title="">one of two files (</span></span><span id="result_box" class="short_text" lang="en"><span style=""
 title=""></span></span>case.clmvaldn and case.clmvalup)<span id="result_box" class="short_text" lang="en"><span style="" title="">&nbsp; </span></span><span id="result_box" class="short_text" lang="en"><span style="" title="">must be removed or renamed <br></span></span><pre>regards<br></pre><br><pre><br></pre></td></tr></table><br>