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: ThreeBodyCluster_KP_KaxirasPandey_1988_Si__MO_072486242437_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 15:34:01 -18.603234 0.5672 BFGS: 1 15:34:01 -18.614903 0.5400 BFGS: 2 15:34:01 -18.785281 0.5467 BFGS: 3 15:34:01 -18.793454 0.3543 BFGS: 4 15:34:01 -18.799213 0.3071 BFGS: 5 15:34:01 -18.816836 0.2057 BFGS: 6 15:34:01 -18.821588 0.2365 BFGS: 7 15:34:01 -18.833854 0.2157 BFGS: 8 15:34:01 -18.841563 0.1146 BFGS: 9 15:34:01 -18.843324 0.0282 BFGS: 10 15:34:01 -18.843420 0.0025 BFGS: 11 15:34:01 -18.843421 0.0005 BFGS: 12 15:34:01 -18.843421 0.0002 BFGS: 13 15:34:02 -18.843421 0.0000 BFGS: 14 15:34:02 -18.843421 0.0000 BFGS: 15 15:34:02 -18.843421 0.0000 BFGS: 16 15:34:02 -18.843421 0.0000 BFGS: 17 15:34:02 -18.843421 0.0000 Minimization converged after 17 steps. Maximum force component: 1.432459986999007e-09 eV/Angstrom Maximum stress component: 7.812901329914454e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Si', 'Si', 'Si', 'Si'] basis = [[0.33333333 0.66666667 0.55270656] [0.66666666 0.33333334 0.05270656] [0.66666666 0.33333334 0.44729344] [0.33333333 0.66666667 0.94729344]] cellpar = Cell([[3.902469232677799, -5.762139000509055e-18, 2.1860053339987916e-36], [-1.9512346163388996, 3.3796374929861397, 5.3497745094673554e-36], [1.3002182709105996e-35, -3.171480325248826e-37, 5.938437843341445]]) forces = [[-3.04643765e-31 2.77714989e-32 -1.43245999e-09] [ 4.81016471e-32 -8.33144966e-32 -1.43245999e-09] [ 4.81016471e-32 -2.77714989e-32 1.43245999e-09] [-1.44304941e-31 2.49943490e-31 1.43245999e-09]] stress = [-1.23901555e-11 -1.23901555e-11 -7.81290133e-11 2.04718396e-34 3.54582663e-34 -4.96404447e-27] energy per atom = -4.710855246043525 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0