Hi Zahra,
I do not have much experience with QE myself, and have very little knowledge of what you are trying to do, but I would suggest trying to find papers and online resources that treat this problem in some way or other. After a quick search I found this study that made use of QE: https://arxiv.org/pdf/0809.0630.pdf Perhaps more relevant to your particular requirements is this: https://arxiv.org/pdf/1610.09046.pdf I'm honestly not sure if this will help at all but these seem to go in the direction you wish. Maybe look at the use of Wannier functions, and try to find existing CO studies of the HOMO and LUMO. Kindest regards, Louis ________________________________ From: [email protected] <[email protected]> on behalf of zahra krim <[email protected]> Sent: 12 February 2017 15:35:56 To: [email protected] Subject: [Pw_forum] homo and lumo Dear, I am a beginner student with quantum espresso code, I would like to study the boundary orbitals of the molecule of CO, I would be grateful if anyone can help me to show the steps to follow in order to study the HOMO and LUMO of carbon monoxide; Cordially K.zahra
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