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最近需要计算一个加了smearing才能收敛的体系,但发现加了以后QE算任何体系都会出错。
一个简单的水分子的输入文件如下:
- &CONTROL
- calculation = 'scf'
- restart_mode = 'from_scratch'
- outdir = '.'
- pseudo_dir = '/home/dveracruz/SSSP'
- prefix = 'H2O'
- etot_conv_thr = 5.0d-5
- forc_conv_thr = 5.0d-4
- nstep = 1
- tstress = .false.
- tprnfor = .false.
- /
- &SYSTEM
- ibrav = 1
- celldm(1) = 5
- nat = 3
- ntyp = 2
- ecutwfc = 30
- ecutrho = 240
- occupations = 'smearing'
- degauss = 0.01
- smearing = 'gaussian'
-
- /
- &ELECTRONS
- electron_maxstep = 200
- conv_thr = 1.0d-5
- mixing_mode = 'plain'
- mixing_beta = 0.7
- scf_must_converge = .false.
- startingpot = 'atomic'
- /
- ATOMIC_SPECIES
- O 15.999 O.pbe-n-kjpaw_psl.0.1.UPF
- H 1.00784 H.pbe-rrkjus_psl.1.0.0.UPF
- ATOMIC_POSITIONS angstrom
- O 0.0000000000 0.0000000000 0.1165561912
- H -0.7635241831 0.0000000000 -0.4687701356
- H 0.7635241831 0.0000000000 -0.4687701356
- K_POINTS automatic
- 1 1 1 1 1 1
复制代码 输出文件末出现错误如下:
- ===================================================================================
- = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
- = RANK 0 PID 1312620 RUNNING AT COS-CH-E058916
- = KILLED BY SIGNAL: 9 (Killed)
- ===================================================================================
- ===================================================================================
- = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
- = RANK 1 PID 1312621 RUNNING AT COS-CH-E058916
- = KILLED BY SIGNAL: 9 (Killed)
- ===================================================================================
- ===================================================================================
- = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
- = RANK 2 PID 1312622 RUNNING AT COS-CH-E058916
- = KILLED BY SIGNAL: 11 (Segmentation fault)
- ===================================================================================
- ===================================================================================
- = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
- = RANK 3 PID 1312623 RUNNING AT COS-CH-E058916
- = KILLED BY SIGNAL: 9 (Killed)
- ===================================================================================
复制代码 如果不用smearing, 计算没有出现问题,不知道是不是输入文件中smearing的设置有误。
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