<div dir="ltr">Dear pwscf developers and users,<br><br>I am trying to calculate complex band structure of silicon using espresso-4.0.2. The output returns with the<br>error <br><br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>
from init_orbitals : error # 1<br> Too big atomic spheres<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br><br> stopping ...<br><br>Below is the input for scf calculation as in example 05:<br>
<br> &control<br> calculation='scf'<br> restart_mode='from_scratch',<br> prefix='si'<br> pseudo_dir = '/home/rajan/espresso-4.0.2_P/pseudo/',<br> outdir='/home/rajan/tmp/'<br>
/<br> &system<br> ibrav= 2, celldm(1)= 10.2, nat= 2, ntyp= 1,<br> ecutwfc =18.0<br> /<br> &electrons<br> conv_thr = 1.0d-8<br> mixing_beta = 0.7<br> /<br>ATOMIC_SPECIES<br> Si 28.086 Si.vbc.UPF<br>
ATOMIC_POSITIONS<br> Si 0.00 0.00 0.00<br> Si 0.25 0.25 0.25<br>K_POINTS<br> 10<br> 0.1250000 0.1250000 0.1250000 1.00<br> 0.1250000 0.1250000 0.3750000 3.00<br> 0.1250000 0.1250000 0.6250000 3.00<br> 0.1250000 0.1250000 0.8750000 3.00<br>
0.1250000 0.3750000 0.3750000 3.00<br> 0.1250000 0.3750000 0.6250000 6.00<br> 0.1250000 0.3750000 0.8750000 6.00<br> 0.1250000 0.6250000 0.6250000 3.00<br> 0.3750000 0.3750000 0.3750000 1.00<br>
0.3750000 0.3750000 0.6250000 3.00<br><br>and the input to calculate the complex band structure is<br><br> &inputcond<br> outdir = '/home/rajan/tmp/'<br> prefixl = 'si'<br> band_file = '<a href="http://bands.si">bands.si</a>'<br>
ikind = 0<br> energy0 = 10.d0<br> denergy = -0.4d0<br> ewind = 3.d0<br> epsproj = 1.d-7<br> delgep = 1.d-10<br> cutplot = 3.d0<br> /<br> 1<br> 0.0 0.0 1.0<br> 60 <br><br>The output returns with the following error:<br>
<br> Program POST-PROC v.4.0.2 starts ...<br> Today is 14Sep2008 at 5:20:33<br><br> Parallel version (MPI)<br><br> Number of processors in use: 1<br><br> Planes per process (thick) : nr3 = 20 npp = 20 ncplane = 400<br>
<br> Proc/ planes cols G planes cols G columns G<br> Pool (dense grid) (smooth grid) (wavefct grid)<br> 1 20 253 2733 20 253 2733 91 609<br><br>
<br>===== INPUT FILE containing the left lead =====<br><br> GEOMETRY:<br><br> lattice parameter (a_0) = 10.2000 a.u.<br> the volume = 265.3020 (a.u.)^3<br> the cross section = 26.0100 (a.u.)^2<br>
l of the unit cell = 0.0000 (a_0)<br> number of atoms/cell = 2<br> number of atomic types = 1<br><br> crystal axes: (cart. coord. in units of a_0)<br> a(1) = ( -0.5000 0.0000 0.5000 )<br>
a(2) = ( 0.0000 0.5000 0.5000 )<br> a(3) = ( -0.5000 0.5000 0.0000 )<br><br> Cartesian axes<br><br> site n. atom positions (a_0 units)<br> 1 Si tau( 1)=( 0.0000 0.0000 0.0000 )<br>
2 Si tau( 2)=( 0.2500 0.2500 0.2500 )<br><br> nr1s = 20<br> nr2s = 20<br> nr3s = 20<br> nrx1s = 20<br>
nrx2s = 20<br> nrx3s = 20<br> nr1 = 20<br> nr2 = 20<br> nr3 = 20<br>
nrx1 = 20<br> nrx2 = 20<br> nrx3 = 20<br><br> _______________________________<br> Radii of nonlocal spheres:<br><br>
type ibeta ang. mom. radius (a_0 units)<br> Si 1 0 0.2832<br> Si 2 1 0.2978<br><br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>
from init_orbitals : error # 1<br> Too big atomic spheres<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br><br> stopping ...<br><br><br>I appreciate any help/suggestion.<br>
<br>Thanks,<br><br>Rajan <br><br><br><br> <br></div>