<html><body><div style="color:#000; background-color:#fff; font-family:bookman old style, new york, times, serif;font-size:13px"><div>Im trying to run a very simple case , which is about the first example input file of the tutorial . atom.in in quantum expresso tutorial . but I dont know by which command I can run it and get its ground state energys .</div><div>Can anybody help ?</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: bookman old style,new york,times,serif; background-color: transparent; font-style: normal;">Thank u .<br></div></div></body></html>