element(s): ['Ga'] AFLOW prototype label: A_tI2_139_a Parameter names: ['a', 'c/a'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['2.9197', '1.4818988'] model name: Sim_LAMMPS_Polymorphic_BereSerra_2006_GaN__SM_518345582208_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['Ga'] representative atom coordinates = [[0 0 0]] spacegroup = 139 cell = [[2.9197, 0, 0], [0, 2.9197, 0], [0, 0, 4.3267]] ========================================= Step Time Energy fmax BFGS: 0 17:08:46 -0.468921 3.0631 BFGS: 1 17:08:46 -0.896253 4.1729 BFGS: 2 17:08:46 -1.540854 4.8093 BFGS: 3 17:08:46 -2.231777 4.3751 BFGS: 4 17:08:46 -2.734367 2.5372 BFGS: 5 17:08:46 -2.857882 0.8708 BFGS: 6 17:08:46 -2.870309 0.2170 BFGS: 7 17:08:46 -2.870775 0.0890 BFGS: 8 17:08:46 -2.870987 0.0713 BFGS: 9 17:08:46 -2.871824 0.1497 BFGS: 10 17:08:46 -2.872794 0.1692 BFGS: 11 17:08:46 -2.873735 0.1063 BFGS: 12 17:08:46 -2.874000 0.0293 BFGS: 13 17:08:46 -2.874015 0.0055 BFGS: 14 17:08:46 -2.874015 0.0009 BFGS: 15 17:08:46 -2.874015 0.0001 BFGS: 16 17:08:46 -2.874015 0.0000 BFGS: 17 17:08:46 -2.874015 0.0000 BFGS: 18 17:08:46 -2.874015 0.0000 Minimization converged after 18 steps. Maximum force component: 0.0 eV/Angstrom Maximum stress component: 2.0750129506341961e-10 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['Ga', 'Ga'] basis = [[0. 0. 0. ] [0.5 0.5 0.5]] cellpar = Cell([[2.636839767772072, -4.965929281183068e-35, -2.7135459334478097e-32], [-4.5740157743427474e-35, 2.6368397677720727, -1.048960016629633e-17], [-1.266110436767892e-32, -1.681221462713624e-17, 3.729053942143276]]) forces = [[0. 0. 0.] [0. 0. 0.]] stress = [ 1.15261617e-10 1.15261617e-10 2.07501295e-10 -5.70961799e-27 -7.83462244e-34 2.98475106e-50] energy per atom = -1.4370077499024443 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Prototype label changed during relaxation: test template prototype is A_tI2_139_a, while relaxed is A_cF4_225_a. Skipping parameter set 0. No parameter sets in this group successfully added a property instance. Skipping this group.