[Pw_forum] Cohesive energy

[Paolo Giannozzi]

On Jan 24, 2008, at 12:30 , Riccardo Sabatini wrote:

> The result i had is around -7.47 Ry. My first question is about
> this result. I'm following a tutorial presentation (...) and there
> is listed a value of -7.52 Ry for the Si atom free.

absolute values of the energy depend on the specific
pseudopotential. Energy differences shouldn't.

Paolo
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Paolo Giannozzi, Dept of Physics, University of Udine
via delle Scienze 208, 33100 Udine, Italy
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