<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_1_1504264965182_2595">Choose a suitable value for nbnd.</div><div id="yui_3_16_0_1_1504264965182_2594"><br></div><div id="yui_3_16_0_1_1504264965182_2550">Go to the scf output, look out for the number of electrons.</div><div id="yui_3_16_0_1_1504264965182_2563"><br></div><div dir="ltr" id="yui_3_16_0_1_1504264965182_2593">nbnd > or = number of electrons divided by 2.<br></div></div></body></html>