<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1439340702032_7054">Hello, </div><div id="yui_3_16_0_1_1439340702032_7054"><br></div><div id="yui_3_16_0_1_1439340702032_7054" dir="ltr">is there any way to restrict the number of virtual orbitals to a specific number in order to be able to generate a fcidump file for a specific active space ?</div><div id="yui_3_16_0_1_1439340702032_7054" dir="ltr"><br></div><div id="yui_3_16_0_1_1439340702032_7054" dir="ltr">I know that one can freeze core orbitals, what about virtual orbitals ??? Is there any similar keyword for virtual orbitals, too ?</div><div id="yui_3_16_0_1_1439340702032_7054" dir="ltr"><br></div><div id="yui_3_16_0_1_1439340702032_7054" dir="ltr">Best wishes</div><div id="yui_3_16_0_1_1439340702032_7054" dir="ltr">Spenke</div></div></body></html>