[Pw_forum] TiS3 input problem

[Jaret Qi]

Dear QE users,I am relaxing monoclinic TiS3 but I got an error after 5 steps says: problems computing cholesky
I included the input below, please any suggestions: 
 &control
    calculation  = 'vc-relax'
    restart_mode = 'from_scratch'
    pseudo_dir   = './'
    outdir       = './'

 /
 &system
    ibrav= 12,
    celldm(1) = 9.41273,
    celldm(2) = 0.681,
    celldm(3) = 1.7888,
    celldm(4) = 0,
    vdw_corr='dft-D'
    nat=8
    ntyp=2
    ecutwfc=60 
    ecutrho=600
    occupations = 'fixed'
    degauss=0.00
 /
 &electrons
    conv_thr = 1e-8,
    mixing_beta=0.1,
    electron_maxstep=200
  /
&IONS
   /
&CELL
  /

ATOMIC_SPECIES
  Ti  47.867      Ti.pw91-sp-van_ak.UPF
  S   32.065      S.pw91-van_ak.UPF
 
ATOMIC_POSITIONS {crystal}
  S    0.250000  0.104252  0.199565  
  S    0.750000  0.895748  0.800435  
  S    0.750000  0.758849  0.453327  
  S    0.250000  0.241151  0.546673  
  S    0.750000  0.489814  0.800644  
  S    0.250000  0.510186  0.199356  
  Ti   0.250000  0.722972  0.641355  
  Ti   0.750000  0.277028  0.358645  
K_POINTS {automatic}
  7 7 7 0 0 0


-------------------Jaret Q.ASU




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