For example in line 19:

 -7.61366009-13.18724611    3.04861427  5.28035480 -7.61366009-13.18724611

The space between the real and imaginary part of the last complex number is so small that they merge together (and FORTRAN complains).

Maybe simply adding a white space there (and in all the multiple places it happens) can solve the issue. How did you generate dynamical matrices? If they were done with ph.x, then maybe this is a bug that should be fixed (and it should be super easy).

It is also true that, looking at the negative imaginary modes you are obtaining, probably something wrong happened, like a very under converged choice of the pw.x parameters, a wrong cell or atomic positions, etc...

Bests,

Lorenzo

On 27/05/20 08:32, Pooja Vyas wrote:
Dear users,
Attached file is 6.1141.dyn3. But couldn't find any error.

On Wed, May 27, 2020 at 11:56 AM Paolo Giannozzi <p.gianno...@gmail.com <mailto:p.gianno...@gmail.com>> wrote:

    On Wed, May 27, 2020 at 7:19 AM Pooja Vyas <poojavyas...@gmail.com
    <mailto:poojavyas...@gmail.com>> wrote:

        At line 273 of file io_dyn_mat_old.f90 (unit = 1, file =
        '6.1141.dyn3') Fortran runtime error: Bad real number in item
        3 of list input

    look into file 6.1141.dyn3: likely you will notice something
    anomalous. The error message also tells you where the "bad real
    number" is read

    Paolo
-- Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
    Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
    Phone +39-0432-558216, fax +39-0432-558222

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