Dear Axel, It is very useful. Thanks a lot, Best Regards, Limin <div>2008/3/7, Axel <<a href="mailto:akoh...@gmail.com">akoh...@gmail.com</a>>:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> hi everybody, i've just uploaded an input example for adding empirical dispersion correction to DFT by use of the input files alone. due to use of the new input preprocessor facility it should be comparatively easy to adapt this to a new system and to keep the multiple force environment input parts consistent. the tcl file demonstrates on top of that how one can set up a potentical scan driven by VMD. <a href="http://groups.google.com/group/cp2k/web/emp-vdw-scan-example.tar.gz">http://groups.google.com/group/cp2k/web/emp-vdw-scan-example.tar.gz</a> hope this is useful. comments are appreciated. please post questions related to this upload here. cheers, axel.