element(s): ['N'] 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: ['4.2753', '1.6578954', '0.32853587'] model name: SW_BereSerra_2006_GaN__MO_861114678890_001 ==== Building ASE atoms object with: ==== representative atom symbols = ['N'] representative atom coordinates = [[0.33333333 0.66666667 0.32853587]] spacegroup = 194 cell = [[4.2753, 0, 0], [-2.13765, 3.7025184087996, 0], [0, 0, 7.088]] ========================================= Step Time Energy fmax BFGS: 0 14:36:38 2.228836 16.795111 BFGS: 1 14:36:38 -0.458108 8.798551 BFGS: 2 14:36:38 -1.839857 3.927743 BFGS: 3 14:36:38 -2.313648 1.354401 BFGS: 4 14:36:38 -2.394896 0.321279 BFGS: 5 14:36:38 -2.400386 0.036028 BFGS: 6 14:36:38 -2.400459 0.001117 BFGS: 7 14:36:38 -2.400459 0.000004 BFGS: 8 14:36:38 -2.400459 0.000000 Minimization converged after 8 steps. Maximum force component: 4.4417605715618463e-10 eV/Angstrom Maximum stress component: 1.149235124733698e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['N', 'N', 'N', 'N'] basis = [[0.33333333 0.66666667 0.35239001] [0.66666666 0.33333334 0.85239001] [0.66666666 0.33333334 0.64760999] [0.33333333 0.66666667 0.14760999]] cellpar = Cell([[4.2752999999999926, -6.499959700317551e-31, 4.848639596316622e-37], [-2.1376499999999963, 3.7025184087996066, 5.468924448256774e-36], [-6.689754344841081e-36, -1.0265752267161157e-35, 7.318502748706265]]) forces = [[ 1.02205309e-42 1.77032807e-42 4.44176057e-10] [-7.67250345e-43 1.32759029e-42 4.44176057e-10] [ 7.67250345e-43 -1.32759029e-42 -4.44176057e-10] [-1.02205309e-42 -1.77032807e-42 -4.44176057e-10]] stress = [-5.94546434e-43 -5.94546434e-43 -1.14923512e-11 1.05677179e-43 -8.58411185e-47 -9.86983199e-59] energy per atom = -0.6001146638018778 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0