Dear Quantum Espresso Users,
Why does the message
"Note: The following floating-point exceptions are signalling:
IEEE_UNDERFLOW_FLAG IEEE_DENORMAL"
appear at the end of calculations made with quantum espresso? and What does
this message mean?
Thanking you,
Yours sincerely,
Tahsin
****************input file******************************************
&CONTROL
calculation = 'scf',
prefix = 'SbSeI',
pseudo_dir='./',
tstress=.true.,
/
&SYSTEM
ibrav = 8,
celldm(1) = 16.34613749,
celldm(2) = 1.2,
celldm(3) = 0.47630058,
nat = 12,
ntyp = 3,
ecutwfc = 60,
ecutrho = 180,
/
&ELECTRONS
mixing_beta = 0.7,
/
ATOMIC_SPECIES
Sb 121.76 Sb.pbe-hgh.UPF
Se 78.96 Se.pbe-hgh.UPF
I 126.90447 I.pbe-hgh.UPF
ATOMIC_POSITIONS (crystal)
Sb 0.1180000 0.1300000 0.2500000
Sb 0.3820000 0.6300000 0.7500000
Sb 0.8820000 0.8700000 0.7500000
Sb 0.6180000 0.3700000 0.2500000
Se 0.8350000 0.0600000 0.2500000
Se 0.6650000 0.5600000 0.7500000
Se 0.1650000 0.9400000 0.7500000
Se 0.3350000 0.4400000 0.2500000
I 0.5150000 0.8250000 0.2500000
I 0.9850000 0.3250000 0.7500000
I 0.4850000 0.1750000 0.7500000
I 0.0150000 0.6750000 0.2500000
K_POINTS (automatic)
4 4 10 1 1 1
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