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I have been trying to perform a calculation using the modified Becke-Johnson meta-GGA by Tran and Blaha with the new vasp 5.2.11 (METAGGA = MBJ). However, I wonder if the "c" parameter of the MBJ is ever calculated in vasp. I understood that one can set it in the INCAR using CMBJ, but is there a way of having it calculated on the fly by the code? From a fast grep for 1.023 (a numerical parameter in the calculation of c) and my inspection of the code, I could not find it...

Miguel Marques

Hi,

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