px">               <b>nspin</b>  </span>  
<br><br>
<i>Optional</i><br>
Default: 1<br><br>
Sets the number of spin channels. 1 enforces spin-restricted calculations. 2 means spin-unrestricted.</li><br>
<hr>
<a name=temperature><li>                 <span style="display:inline-block;background:#EEEEEE;width:400px">               <b>temperature</b>  </span>  
<br><br>
<i>Optional</i><br>
Default: 0.0<br><br>
Sets the electronic temperature in the Fermi-Dirac functions. Helps the convergence for some systems. T