ctor default 1.0&gt;] \
      [vwn_1 &lt;real prefactor default 1.0&gt;] \
      [vwn_2 &lt;real prefactor default 1.0&gt;] \
      [vwn_3 &lt;real prefactor default 1.0&gt;] \
      [vwn_4 &lt;real prefactor default 1.0&gt;] \
      [vwn_5 &lt;real prefactor default 1.0&gt;] \
      [vwn_1_rpa &lt;real prefactor default 1.0&gt;]]
</PRE>

<P>
The user has the option of specifying the exchange-correlation
treatment in the DFT Module (see table <A HREF="node13.html#tablexc">11.1</A>).
  The default exchange-c