In example01 for GW calculations, I went through out the steps successfully. But in the last step when I run gww.x for methane_gww.in I got this error: severe (29): file not found, unit 99, file ........./example01/./ch4.exchange I'm wonder what is this file? and why it is not exist.
Regards. M. _______________________________________________ Pw_forum mailing list Pw_forum@pwscf.org http://pwscf.org/mailman/listinfo/pw_forum