element(s):
['Si']
AFLOW prototype label:
A_hP4_194_f
Parameter names:
['a', 'c/a', 'z1']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['3.8496', '1.6527431', '0.56294015']
model name:
SNAP_ZuoChenLi_2019quadratic_Si__MO_721469752060_000
==== Building ASE atoms object with: ====
representative atom symbols =  ['Si']
representative atom coordinates =  [[0.33333333 0.66666667 0.56294015]]
spacegroup =  194
cell =  [[3.8496, 0, 0], [-1.9248, 3.3338513944086, 0], [0, 0, 6.3624]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 11:34:52      -21.681643         0.172743
BFGS:    1 11:34:52      -21.682710         0.144560
BFGS:    2 11:34:53      -21.684748         0.072351
BFGS:    3 11:34:53      -21.685167         0.073824
BFGS:    4 11:34:53      -21.686397         0.081723
BFGS:    5 11:34:53      -21.686746         0.094413
BFGS:    6 11:34:53      -21.687184         0.097373
BFGS:    7 11:34:53      -21.687635         0.078614
BFGS:    8 11:34:53      -21.688012         0.035618
BFGS:    9 11:34:54      -21.688121         0.013207
BFGS:   10 11:34:54      -21.688138         0.001677
BFGS:   11 11:34:54      -21.688139         0.000209
BFGS:   12 11:34:54      -21.688139         0.000013
BFGS:   13 11:34:54      -21.688139         0.000000
BFGS:   14 11:34:54      -21.688139         0.000000
BFGS:   15 11:34:54      -21.688139         0.000000
Minimization converged after 15 steps.
Maximum force component: 1.986764386905163e-09 eV/Angstrom
Maximum stress component: 3.2935701442791737e-10 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si']
basis =  [[0.33333333 0.66666667 0.56145424]
 [0.66666666 0.33333334 0.06145424]
 [0.66666666 0.33333334 0.43854576]
 [0.33333333 0.66666667 0.93854576]]
cellpar =  Cell([[3.8780341640052525, -2.938242613276517e-18, 8.808763594313072e-37], [-1.9390170820026262, 3.3584761027724968, 5.096014265476599e-37], [-5.938547642699744e-37, 2.1501258159475057e-36, 6.2801113399426285]])
forces =  [[ 1.27467898e-31 -2.20780875e-31  1.98676439e-09]
 [-1.87870793e-46  6.80209819e-46  1.98676439e-09]
 [-1.27467898e-31  2.20780875e-31 -1.98676439e-09]
 [ 1.87870793e-46 -6.80209819e-46 -1.98676439e-09]]
stress =  [-3.29357014e-10 -3.29357014e-10  6.43322881e-11  1.16880174e-33
  6.74807999e-34  4.81674676e-27]
energy per atom =  -2.2610775158961065
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0