DearĀ <div><br><span style="color:rgb(34,34,34);font-family:"Helvetica Neue",Arial,sans-serif;line-height:20px">I don't know whether or not wien2k can calculate COOP (Crystal OrbitalĀ </span><span style="color:rgb(34,34,34);font-family:"Helvetica Neue",Arial,sans-serif;line-height:20px">Overlap Populations)?. Thanks</span><br style="color:rgb(34,34,34);font-family:"Helvetica Neue",Arial,sans-serif;line-height:20px"></div>