<div dir="ltr">Thanks Patrick for your kind reply. But I found that, the wannier center of excess electron is changing in every frame. So, it's difficult to search frame by frame. So is there any better option to do that one ? <br><br>On Friday, February 1, 2019 at 12:26:29 PM UTC+1, Patrick Gono wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div dir="auto">Each oxygen atom in water should have a full shell, 8 electrons, hence 4 wannier centers. Go oxygen atom by atom, and count the 4 closest wannier centers, eliminating them. The last wannier orbital will then be the excess electron.<div dir="auto"><br></div><div dir="auto">Yours sincerely</div><div dir="auto">Patrick Gono </div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, 1 Feb 2019, 11:36 Sohag Biswas <<a href="javascript:" rel="nofollow" target="_blank" gdf-obfuscated-mailto="zBThJVzTGAAJ" onmousedown="this.href='javascript:';return true;" onclick="this.href='javascript:';return true;">soh...@gmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Dear cp2k users, <br></div><div>I have printed out wanier centers for 64 H2O + e, which gave me HOMO-S1-1 (alpha spin) and HOMO-s1-2 (beta spin). HOMO-S1-1 contains 449 total number atoms (256 wannier centers for 64 H2O and 1 wannier center for excess e). So, my question is how to find wannier center for excess electron ? Any comments will be highly appreciated. <br></div><div>Thanks </div><div><br></div><div><br></div><div>Sohag Biswas</div><div>Charles University, Prague, Czech Republic<br></div></div>
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