Dear Asa,As Bang already says, your message is not very clear on details. Normally when running vc-relax pw.x will do a final self-consistent calculation after the relaxiation has converged. You can definitely extract cell parameters at that point (positions and celldm); I have done so many times.
There is a weakness, and sometimes the code crashes at the point of doing this self-consistent calculation (when the unit/super cell has changed too much). Even at that point, you can use the final output of the code to reconstruct the positions and the cell shape. A good way to check is to use the scripts for xcrysden; the "videos" xcrysden makes are usually a very good test of the minimisation, and will show you what happens.
Niels -- Prof. Niels R. Walet Phone: +44(0)1613063693 School of Physics and Astronomy Fax: +44(0)1613064303 The University of Manchester Mobile: +44(0)7516622121 Manchester, M13 9PL [email protected] http://theory.physics.manchester.ac.uk/~mccsnrw
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