<div dir="ltr"><div>Dear Paolo;<br><br>Below I provide the input file with Wyckoff position<br> (this is version without "0" coordinate in ATOMIC_POSITIONS,<br>just to remind it also not work):<br><font size="1"><br> &CONTROL<br> calculation = 'vc-relax' ,<br> restart_mode = 'from_scratch' ,<br> outdir = './',<br> wfcdir = './',<br> pseudo_dir = './' ,<br> prefix='BP'<br> disk_io = 'default' ,<br> tstress = .true. ,<br> tprnfor = .true. ,<br> nstep = 1000 ,<br> etot_conv_thr = 1.0E-6 ,<br> forc_conv_thr = 1.0D-5 ,<br> ! iprint = 3 ,<br> max_seconds = 6000000 ,<br> dt = 150000 </font>,<br><font size="1"> /<br> &SYSTEM<br> ibrav = 0 ,<br> A = 1,<br> !B=4.137 C=10.184<br>space_group = 64 , <br> nat = 8 , <br> ntyp = 1 , <br> ecutwfc = 60.0 ,<br> !ecutrho = 320.0 , <br> occupations = 'smearing' ,<br> smearing = 'mp' , ! 'mp' always use for phonon calculations<br> degauss = 0.001 ,<br> ! nspin = 1 , <br> /<br> &ELECTRONS<br> electron_maxstep = 500 , <br> conv_thr = 1.0d-6 , <br> diagonalization = 'cg' , <br>/<br> &IONS<br> /<br> &CELL<br> cell_dynamics = 'bfgs' ,<br> cell_dofree = 'all' , <br> press = 0.00 ,<br> ! press_conv_th = 0.5D0 , !Kbar<br> ! wmass = 0.00700000 ,<br> /<br>CELL_PARAMETERS {alat} <br> 3.298193909 0.0000000000 0.0000000000<br> 0.0000000000 10.119663752 0.0000000000<br> 0.0000000000 0.0000000000 4.120911577<br>ATOMIC_SPECIES<br> P 30.97 P.pz-hgh.UPF<br>ATOMIC_POSITIONS {crystal_sg}<br> P 8f 0.101300 0.078900 <br>K_POINTS automatic <br> 15 5 12 0 0 0</font><br><br></div>Best regards<br><div>Magda<br></div><div><br clear="all"><div><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div><div><div><i>Magdalena Popielska (Birowska)<br></i></div><i><br></i></div><i>Faculty of Physics<br></i></div><i>University of Warsaw<br><br></i></div><i>ul. Pasteura 5, PL-02-093 Warszawa room no. 5.02<br></i></div><div><i>Phone: 22 55 32902 (Office)<br></i></div><i>Email: <a href="mailto:Magdalena.Birowska@fuw.edu.pl" target="_blank">Magdalena.Birowska@fuw.edu.pl</a></i><br></div></div></div></div></div></div></div></div>
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