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Hi, I'm doing phonon calculation for GaN and using alm to extract third order force constants. However, the program stopped with error message after some normal output LMODEL = least-squares Training data file (DFSET) : GaN.DFSET NSTART = 1; NEND = 480 Total Number of Parameters : 2992 the error message given is: Where should I look for problems? Training with only the harmonic displacement patterns result in correct phonon dispersion. below is my input settings: General: Interaction: Optimize: ICONST = 11 SPARSE = 0 Thank you |
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Hi, |
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Hi,
I have not encountered that error so far.
Could you also put the &cell and &position fields of the ALM input here?
That would help identify the reason.