[Pw_forum] Phonon negative Frequency

[Suresh A]

Dear All,
             I am ran phonon calculation for anatase previously and got
negative frequencies. I was install QE-5.2.0 in serial mode and took days
to finish the calculation in my desktop.

Is there any way to know the negative frequency before the calculation
ends? So that the time can be saved.
                                 Thank You

                 Yours Sincerly,

A.Suresh,
Research Scholar,
School of Physics,
Madurai Kamaraj University,
Madurai.
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