<div dir="ltr"><br>Yes, I am using 4.2.1<br>These are my input files:<br><br>======================================================<br> &control<br>    calculation='scf'<br>    restart_mode='from_scratch',<br>

    prefix='La',<br>    pseudo_dir = './',<br>    outdir='./tmp'<br> /<br> &system<br>    ibrav=6, celldm(1) =7.616, celldm(3) =2.168, nat=8, ntyp=4,<br>    nspin = 1,<br>    ecutwfc = 24.0, ecutrho = 240.0,<br>

    occupations='smearing', smearing='methfessel-paxton', degauss=0.02<br> /<br> &electrons<br>    conv_thr = 1.0e-10<br>    mixing_beta = 0.7 <br> /<br>ATOMIC_SPECIES<br> La 57 La.UPF<br> Fe 26 Fe.UPF<br>

 O  8  O.UPF<br> As 33 As.UPF<br><br>ATOMIC_POSITIONS crystal<br>Fe       0.250000000   0.750000000   0.000000000<br>Fe       0.750000000   0.250000000   0.000000000<br>As       0.750000000   0.750000000   0.169696326<br>

As       0.250000000   0.250000000   0.830303674<br>O        0.250000000   0.750000000   0.500000000<br>O        0.750000000   0.250000000   0.500000000<br>La       0.750000000   0.750000000   0.657729323<br>La       0.250000000   0.250000000   0.342270677<br>

<br>K_POINTS automatic<br>8 8 4 0 0 0<br>=====================================================<br>phonons at Gamma<br> &inputph<br>  tr2_ph=1.0d-18,<br>  prefix='La',<br>  outdir='./tmp',<br>  fildyn='La.dyn',<br>

  trans=.true.,<br> /<br>0.0 0.0 0.0<br>======================================================<br><br>Bests,<br>Ali<br><br>-- <br>Ali Tavana<br>PhD Candidate,<br>Magnet Research Lab. (MRL)<br>Sharif University of Technology,<br>

Tehran, Iran.<br>Tel: +98 21 6616 4544<br>Fax:+98 21 4446 0799<br>
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