<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="margin:0;">Dear All,</div><div style="margin:0;"><br></div><div style="margin:0;">I tried to perform DFT+U calculation on wurzite ZnS. When I set Hubbard_U for either Zn or S, the calculation went on well.</div><div style="margin:0;">However, the calculation crashed when I set Hubbard_U for both Zn and S with error message as "</div><div style="margin:0;">Atomic wfc used for LDA+U Projector are NOT orthogonalized</div><div style="margin:0;"><div style="margin:0;"> Starting wfcs are 160 randomized atomic wfcs + 13 random wfcs</div><div style="margin:0;"><br></div><div style="margin:0;">Program received signal SIGSEGV: Segmentation fault - invalid memory reference.</div><div style="margin:0;"><br></div><div style="margin:0;">Backtrace for this error:</div><div style="margin:0;"><br></div><div style="margin:0;">Program received signal SIGSEGV: Segmentation fault - invalid memory reference."</div><div style="margin:0;"><br></div><div style="margin:0;"><br></div><div>The input file is as follows "</div><div><div>&CONTROL</div><div> calculation='vc-relax',</div><div> prefix='relax_',</div><div> pseudo_dir='.',</div><div> outdir='.',</div><div> tprnfor=.true.,</div><div>/</div><div>&SYSTEM</div><div> ibrav=0,</div><div> nat=32,</div><div> ntyp=2,</div><div> ecutwfc=36.7493237909d0,</div><div> ecutrho=367.493237909d0,</div><div> tot_charge=0,</div><div> occupations='smearing',</div><div> smearing='gauss',</div><div> degauss=0.00734986475817d0,</div><div> input_dft='PBE',</div><div> lda_plus_u=.ture.,</div><div> lda_plus_u_kind=1,</div><div> U_projection_type='atomic',</div><div> Hubbard_U(1)=10.0,</div><div> Hubbard_U(2)=5.049,</div><div>/</div><div>&ELECTRONS</div><div> conv_thr=1e-06,</div><div> mixing_ndim=8,</div><div> mixing_mode='local-TF',</div><div> electron_maxstep=500,</div><div> mixing_beta=0.1d0,</div><div> diagonalization='cg',</div><div>/</div><div>&IONS</div><div> ion_dynamics='bfgs',</div><div>/</div><div>&CELL</div><div> cell_dofree='all',</div><div>/"</div></div><div><br></div><div>May I what this error is about? Thank you in advance.</div><div><br></div><div>Regards,</div><div>Jesse Sun</div><div> </div></div></div></div><br><br><span title="neteasefooter"><p> </p></span>