element(s): ['O', 'Si'] AFLOW prototype label: A2B_oC108_65_ehnopq2r_gopr Parameter names: ['a', 'b/a', 'c/a', 'x2', 'x3', 'y4', 'z4', 'x5', 'z5', 'x6', 'z6', 'x7', 'y7', 'x8', 'y8', 'x9', 'y9', 'x10', 'y10', 'z10', 'x11', 'y11', 'z11', 'x12', 'y12', 'z12'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['18.9729', '0.75999979', '0.40039741', '0.7313336', '0.82631928', '0.78368714', '0.2456277', '0.78028656', '0.17541145', '0.85088729', '0.29483481', '0.18054065', '0.40976881', '0.8271807', '0.70205104', '0.90283408', '0.77766497', '0.3984943', '0.40905487', '0.25170356', '0.86964889', '0.73249458', '0.17602802', '0.91769339', '0.80116456', '0.29383603'] model name: Tersoff_LAMMPS_MunetohMotookaMoriguchi_2007_SiO__MO_501246546792_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'Si', 'Si', 'Si', 'Si'] representative atom coordinates = [[0.25 0.25 0. ] [0.82631928 0. 0.5 ] [0. 0.78368714 0.2456277 ] [0.78028656 0. 0.17541145] [0.68054065 0.90976881 0. ] [0.40283408 0.27766497 0.5 ] [0.8984943 0.90905487 0.25170356] [0.36964889 0.23249458 0.17602802] [0.7313336 0. 0. ] [0.85088729 0. 0.29483481] [0.3271807 0.20205104 0. ] [0.41769339 0.30116456 0.29383603]] spacegroup = 65 cell = [[18.9729, 0, 0], [0, 14.4194, 0], [0, 0, 7.5967]] ========================================= Step Time Energy fmax BFGS: 0 23:15:21 -720.754732 0.8566 BFGS: 1 23:15:21 -720.980240 0.7420 BFGS: 2 23:15:21 -721.224029 0.4650 BFGS: 3 23:15:21 -721.387337 0.2841 BFGS: 4 23:15:21 -721.428568 0.2434 BFGS: 5 23:15:21 -721.479449 0.2263 BFGS: 6 23:15:21 -721.514393 0.2226 BFGS: 7 23:15:21 -721.551351 0.2191 BFGS: 8 23:15:21 -721.576373 0.2189 BFGS: 9 23:15:21 -721.598940 0.2130 BFGS: 10 23:15:21 -721.615905 0.2068 BFGS: 11 23:15:21 -721.628416 0.1970 BFGS: 12 23:15:21 -721.638583 0.1908 BFGS: 13 23:15:21 -721.650779 0.1848 BFGS: 14 23:15:21 -721.668359 0.1828 BFGS: 15 23:15:22 -721.686641 0.1840 BFGS: 16 23:15:22 -721.703277 0.1877 BFGS: 17 23:15:22 -721.716931 0.1911 BFGS: 18 23:15:22 -721.727020 0.1904 BFGS: 19 23:15:22 -721.739409 0.1839 BFGS: 20 23:15:22 -721.752187 0.1703 BFGS: 21 23:15:22 -721.764454 0.1535 BFGS: 22 23:15:22 -721.776010 0.1359 BFGS: 23 23:15:22 -721.786651 0.1193 BFGS: 24 23:15:22 -721.796326 0.1079 BFGS: 25 23:15:22 -721.804992 0.1023 BFGS: 26 23:15:22 -721.812512 0.1038 BFGS: 27 23:15:22 -721.818746 0.1087 BFGS: 28 23:15:22 -721.822741 0.0828 BFGS: 29 23:15:22 -721.827590 0.0727 BFGS: 30 23:15:22 -721.831826 0.0739 BFGS: 31 23:15:22 -721.835853 0.0690 BFGS: 32 23:15:22 -721.839052 0.0741 BFGS: 33 23:15:22 -721.841873 0.0532 BFGS: 34 23:15:22 -721.845169 0.0508 BFGS: 35 23:15:22 -721.849711 0.0526 BFGS: 36 23:15:22 -721.854699 0.0599 BFGS: 37 23:15:22 -721.858188 0.0577 BFGS: 38 23:15:22 -721.859749 0.0577 BFGS: 39 23:15:22 -721.860474 0.0562 BFGS: 40 23:15:22 -721.861012 0.0550 BFGS: 41 23:15:22 -721.861495 0.0545 BFGS: 42 23:15:22 -721.861965 0.0545 BFGS: 43 23:15:22 -721.862483 0.0549 BFGS: 44 23:15:22 -721.863102 0.0551 BFGS: 45 23:15:22 -721.863852 0.0550 BFGS: 46 23:15:22 -721.864800 0.0545 BFGS: 47 23:15:22 -721.866082 0.0536 BFGS: 48 23:15:22 -721.867817 0.0523 BFGS: 49 23:15:22 -721.870021 0.0542 BFGS: 50 23:15:22 -721.872658 0.0617 BFGS: 51 23:15:22 -721.875490 0.0553 BFGS: 52 23:15:22 -721.878290 0.0552 BFGS: 53 23:15:22 -721.880722 0.0451 BFGS: 54 23:15:22 -721.882204 0.0312 BFGS: 55 23:15:22 -721.882808 0.0300 BFGS: 56 23:15:22 -721.883306 0.0302 BFGS: 57 23:15:22 -721.883786 0.0313 BFGS: 58 23:15:22 -721.884303 0.0331 BFGS: 59 23:15:22 -721.884728 0.0346 BFGS: 60 23:15:23 -721.885124 0.0353 BFGS: 61 23:15:23 -721.885599 0.0351 BFGS: 62 23:15:23 -721.886204 0.0339 BFGS: 63 23:15:23 -721.886824 0.0322 BFGS: 64 23:15:23 -721.887368 0.0309 BFGS: 65 23:15:23 -721.887930 0.0304 BFGS: 66 23:15:23 -721.888703 0.0333 BFGS: 67 23:15:23 -721.889741 0.0329 BFGS: 68 23:15:23 -721.890847 0.0368 BFGS: 69 23:15:23 -721.891878 0.0398 BFGS: 70 23:15:23 -721.893080 0.0415 BFGS: 71 23:15:23 -721.894504 0.0443 BFGS: 72 23:15:23 -721.896015 0.0509 BFGS: 73 23:15:23 -721.897503 0.0493 BFGS: 74 23:15:23 -721.898819 0.0404 BFGS: 75 23:15:23 -721.899763 0.0241 BFGS: 76 23:15:23 -721.900061 0.0052 BFGS: 77 23:15:23 -721.900073 0.0025 BFGS: 78 23:15:23 -721.900076 0.0024 BFGS: 79 23:15:23 -721.900077 0.0023 BFGS: 80 23:15:23 -721.900079 0.0022 BFGS: 81 23:15:23 -721.900082 0.0019 BFGS: 82 23:15:23 -721.900092 0.0019 BFGS: 83 23:15:23 -721.900112 0.0029 BFGS: 84 23:15:23 -721.900146 0.0035 BFGS: 85 23:15:23 -721.900180 0.0026 BFGS: 86 23:15:23 -721.900194 0.0009 BFGS: 87 23:15:23 -721.900196 0.0001 BFGS: 88 23:15:23 -721.900196 0.0000 BFGS: 89 23:15:23 -721.900196 0.0000 BFGS: 90 23:15:23 -721.900196 0.0000 BFGS: 91 23:15:23 -721.900196 0.0000 BFGS: 92 23:15:23 -721.900196 0.0000 BFGS: 93 23:15:23 -721.900196 0.0000 Minimization converged after 93 steps. Maximum force component: 3.658543544504678e-09 eV/Angstrom Maximum stress component: 1.9595437449859218e-11 eV/Angstrom^3 ==== Minimized structure obtained from ASE ==== symbols = ['O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si'] basis = [[2.50000000e-01 2.50000000e-01 0.00000000e+00] [7.50000000e-01 7.50000000e-01 0.00000000e+00] [7.50000000e-01 2.50000000e-01 0.00000000e+00] [2.50000000e-01 7.50000000e-01 9.52247138e-36] [8.31430370e-01 6.35941870e-36 5.00000000e-01] [1.68569630e-01 0.00000000e+00 5.00000000e-01] [3.31430370e-01 5.00000000e-01 5.00000000e-01] [6.68569630e-01 5.00000000e-01 5.00000000e-01] [0.00000000e+00 7.85741766e-01 2.43807589e-01] [0.00000000e+00 2.14258234e-01 2.43807589e-01] [0.00000000e+00 7.85741766e-01 7.56192411e-01] [0.00000000e+00 2.14258234e-01 7.56192411e-01] [5.00000000e-01 2.85741766e-01 2.43807589e-01] [5.00000000e-01 7.14258234e-01 2.43807589e-01] [5.00000000e-01 2.85741766e-01 7.56192411e-01] [5.00000000e-01 7.14258234e-01 7.56192411e-01] [7.77522154e-01 0.00000000e+00 1.81869241e-01] [2.22477846e-01 0.00000000e+00 1.81869241e-01] [2.22477846e-01 3.92326979e-37 8.18130759e-01] [7.77522154e-01 2.20406267e-37 8.18130759e-01] [2.77522154e-01 5.00000000e-01 1.81869241e-01] [7.22477846e-01 5.00000000e-01 1.81869241e-01] [7.22477846e-01 5.00000000e-01 8.18130759e-01] [2.77522154e-01 5.00000000e-01 8.18130759e-01] [6.80875961e-01 9.09600470e-01 1.95515691e-36] [3.19124039e-01 9.03995298e-02 0.00000000e+00] [3.19124039e-01 9.09600470e-01 0.00000000e+00] [6.80875961e-01 9.03995298e-02 0.00000000e+00] [1.80875961e-01 4.09600470e-01 1.79154910e-37] [8.19124039e-01 5.90399530e-01 5.05204284e-37] [8.19124039e-01 4.09600470e-01 0.00000000e+00] [1.80875961e-01 5.90399530e-01 0.00000000e+00] [4.02530437e-01 2.84433550e-01 5.00000000e-01] [5.97469563e-01 7.15566450e-01 5.00000000e-01] [5.97469563e-01 2.84433550e-01 5.00000000e-01] [4.02530437e-01 7.15566450e-01 5.00000000e-01] [9.02530437e-01 7.84433550e-01 5.00000000e-01] [9.74695628e-02 2.15566450e-01 5.00000000e-01] [9.74695628e-02 7.84433550e-01 5.00000000e-01] [9.02530437e-01 2.15566450e-01 5.00000000e-01] [8.96519964e-01 9.08518550e-01 2.39073821e-01] [1.03480036e-01 9.14814501e-02 2.39073821e-01] [1.03480036e-01 9.08518550e-01 7.60926179e-01] [8.96519964e-01 9.14814501e-02 7.60926179e-01] [3.96519964e-01 4.08518550e-01 2.39073821e-01] [6.03480036e-01 5.91481450e-01 2.39073821e-01] [6.03480036e-01 4.08518550e-01 7.60926179e-01] [3.96519964e-01 5.91481450e-01 7.60926179e-01] [1.03480036e-01 9.14814501e-02 7.60926179e-01] [8.96519964e-01 9.08518550e-01 7.60926179e-01] [8.96519964e-01 9.14814501e-02 2.39073821e-01] [1.03480036e-01 9.08518550e-01 2.39073821e-01] [6.03480036e-01 5.91481450e-01 7.60926179e-01] [3.96519964e-01 4.08518550e-01 7.60926179e-01] [3.96519964e-01 5.91481450e-01 2.39073821e-01] [6.03480036e-01 4.08518550e-01 2.39073821e-01] [3.70122155e-01 2.30717032e-01 1.78790949e-01] [6.29877845e-01 7.69282968e-01 1.78790949e-01] [6.29877845e-01 2.30717032e-01 8.21209051e-01] [3.70122155e-01 7.69282968e-01 8.21209051e-01] [8.70122155e-01 7.30717032e-01 1.78790949e-01] [1.29877845e-01 2.69282968e-01 1.78790949e-01] [1.29877845e-01 7.30717032e-01 8.21209051e-01] [8.70122155e-01 2.69282968e-01 8.21209051e-01] [6.29877845e-01 7.69282968e-01 8.21209051e-01] [3.70122155e-01 2.30717032e-01 8.21209051e-01] [3.70122155e-01 7.69282968e-01 1.78790949e-01] [6.29877845e-01 2.30717032e-01 1.78790949e-01] [1.29877845e-01 2.69282968e-01 8.21209051e-01] [8.70122155e-01 7.30717032e-01 8.21209051e-01] [8.70122155e-01 2.69282968e-01 1.78790949e-01] [1.29877845e-01 7.30717032e-01 1.78790949e-01] [7.31150098e-01 0.00000000e+00 0.00000000e+00] [2.68849902e-01 6.99408377e-37 7.88314330e-37] [2.31150098e-01 5.00000000e-01 0.00000000e+00] [7.68849902e-01 5.00000000e-01 0.00000000e+00] [8.51751674e-01 4.76089920e-37 2.89047035e-01] [1.48248326e-01 0.00000000e+00 2.89047035e-01] [1.48248326e-01 0.00000000e+00 7.10952965e-01] [8.51751674e-01 8.59574359e-37 7.10952965e-01] [3.51751674e-01 5.00000000e-01 2.89047035e-01] [6.48248326e-01 5.00000000e-01 2.89047035e-01] [6.48248326e-01 5.00000000e-01 7.10952965e-01] [3.51751674e-01 5.00000000e-01 7.10952965e-01] [3.27286981e-01 2.01763458e-01 3.77956877e-36] [6.72713019e-01 7.98236542e-01 0.00000000e+00] [6.72713019e-01 2.01763458e-01 0.00000000e+00] [3.27286981e-01 7.98236542e-01 2.49342018e-36] [8.27286981e-01 7.01763458e-01 4.28209547e-36] [1.72713019e-01 2.98236542e-01 0.00000000e+00] [1.72713019e-01 7.01763458e-01 0.00000000e+00] [8.27286981e-01 2.98236542e-01 2.50848209e-36] [4.17845244e-01 3.03620570e-01 2.89976113e-01] [5.82154756e-01 6.96379430e-01 2.89976113e-01] [5.82154756e-01 3.03620570e-01 7.10023887e-01] [4.17845244e-01 6.96379430e-01 7.10023887e-01] [9.17845244e-01 8.03620570e-01 2.89976113e-01] [8.21547557e-02 1.96379430e-01 2.89976113e-01] [8.21547557e-02 8.03620570e-01 7.10023887e-01] [9.17845244e-01 1.96379430e-01 7.10023887e-01] [5.82154756e-01 6.96379430e-01 7.10023887e-01] [4.17845244e-01 3.03620570e-01 7.10023887e-01] [4.17845244e-01 6.96379430e-01 2.89976113e-01] [5.82154756e-01 3.03620570e-01 2.89976113e-01] [8.21547557e-02 1.96379430e-01 7.10023887e-01] [9.17845244e-01 8.03620570e-01 7.10023887e-01] [9.17845244e-01 1.96379430e-01 2.89976113e-01] [8.21547557e-02 8.03620570e-01 2.89976113e-01]] cellpar = Cell([[19.202426858218796, -1.4917252001100612e-36, 0.0], [9.385562977835736e-37, 14.648124105856525, 0.0], [0.0, 0.0, 7.552511909325618]]) forces = [[ 0.00000000e+00 0.00000000e+00 -2.32729741e-32] [ 3.78701096e-30 -2.94190923e-67 -2.32729741e-32] [ 0.00000000e+00 0.00000000e+00 1.74547306e-32] [ 0.00000000e+00 0.00000000e+00 -1.16364871e-32] [ 1.87736500e-10 -1.45841601e-47 0.00000000e+00] [-1.87736500e-10 -2.03121078e-31 0.00000000e+00] [ 1.87736500e-10 -1.45841601e-47 0.00000000e+00] [-1.87736500e-10 -1.80552069e-31 0.00000000e+00] [-2.16101536e-47 -3.37271416e-10 -2.41034654e-10] [-9.46752740e-31 3.37271416e-10 -2.41034654e-10] [-2.16101536e-47 -3.37271416e-10 2.41034654e-10] [ 2.16101536e-47 3.37271416e-10 2.41034654e-10] [-2.16101536e-47 -3.37271416e-10 -2.41034654e-10] [ 2.16101536e-47 3.37271416e-10 -2.41034654e-10] [-2.16101536e-47 -3.37271416e-10 2.41034654e-10] [ 2.16101536e-47 3.37271416e-10 2.41034654e-10] [ 1.66158644e-09 -6.20647739e-32 7.93727375e-10] [-1.66158644e-09 -1.80552069e-31 7.93727375e-10] [-1.66158644e-09 6.77070260e-32 -7.93727375e-10] [ 1.66158644e-09 1.80552069e-31 -7.93727375e-10] [ 1.66158644e-09 -1.29079016e-46 7.93727375e-10] [-1.66158644e-09 -4.51380174e-32 7.93727375e-10] [-1.66158644e-09 1.29079016e-46 -7.93727375e-10] [ 1.66158644e-09 2.25690087e-32 -7.93727375e-10] [ 7.95685486e-10 -8.30558068e-10 2.32729741e-32] [-7.95685486e-10 8.30558068e-10 1.74547306e-32] [-7.95685486e-10 -8.30558068e-10 -1.16364871e-32] [ 7.95685486e-10 8.30558068e-10 2.32729741e-32] [ 7.95685486e-10 -8.30558068e-10 0.00000000e+00] [-7.95685486e-10 8.30558068e-10 -3.49094612e-32] [-7.95685486e-10 -8.30558068e-10 0.00000000e+00] [ 7.95685486e-10 8.30558068e-10 4.07277048e-32] [-4.18089055e-10 -9.20986168e-10 0.00000000e+00] [ 4.18089055e-10 9.20986168e-10 0.00000000e+00] [ 4.18089055e-10 -9.20986168e-10 0.00000000e+00] [-4.18089055e-10 9.20986168e-10 0.00000000e+00] [-4.18089055e-10 -9.20986168e-10 0.00000000e+00] [ 4.18089055e-10 9.20986168e-10 0.00000000e+00] [ 4.18089055e-10 -9.20986168e-10 0.00000000e+00] [-4.18089055e-10 9.20986168e-10 0.00000000e+00] [ 4.72665633e-10 -1.56339591e-09 7.26270650e-11] [-4.72665633e-10 1.56339591e-09 7.26270650e-11] [-4.72665633e-10 -1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 -1.56339591e-09 7.26270650e-11] [-4.72665633e-10 1.56339591e-09 7.26270650e-11] [-4.72665633e-10 -1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 1.56339591e-09 -7.26270650e-11] [-4.72665633e-10 1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 -1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 1.56339591e-09 7.26270650e-11] [-4.72665633e-10 -1.56339591e-09 7.26270650e-11] [-4.72665633e-10 1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 -1.56339591e-09 -7.26270650e-11] [ 4.72665633e-10 1.56339591e-09 7.26270650e-11] [-4.72665633e-10 -1.56339591e-09 7.26270650e-11] [ 4.27890792e-10 4.95563966e-10 6.67345471e-10] [-4.27890792e-10 -4.95563966e-10 6.67345471e-10] [-4.27890792e-10 4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 -4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 4.95563966e-10 6.67345471e-10] [-4.27890792e-10 -4.95563966e-10 6.67345471e-10] [-4.27890792e-10 4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 -4.95563966e-10 -6.67345471e-10] [-4.27890792e-10 -4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 -4.95563966e-10 6.67345471e-10] [-4.27890792e-10 4.95563966e-10 6.67345471e-10] [-4.27890792e-10 -4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 4.95563966e-10 -6.67345471e-10] [ 4.27890792e-10 -4.95563966e-10 6.67345471e-10] [-4.27890792e-10 4.95563966e-10 6.67345471e-10] [-9.61678414e-10 7.47072198e-47 0.00000000e+00] [ 9.61678414e-10 -7.47072198e-47 0.00000000e+00] [-9.61678414e-10 7.47072198e-47 0.00000000e+00] [ 9.61678414e-10 -7.47072198e-47 0.00000000e+00] [-3.65854354e-09 -2.88883311e-30 -9.59449191e-10] [ 3.65854354e-09 2.88883311e-30 -9.59449191e-10] [ 3.65854354e-09 -2.88883311e-30 9.59449191e-10] [-3.65854354e-09 4.33324967e-30 9.59449191e-10] [-3.65854354e-09 -2.88883311e-30 -9.59449191e-10] [ 3.65854354e-09 2.88883311e-30 -9.59449191e-10] [ 3.65854354e-09 8.66649933e-30 9.59449191e-10] [-3.65854354e-09 5.77766622e-30 9.59449191e-10] [ 3.08691568e-09 -1.44619905e-09 0.00000000e+00] [-3.08691568e-09 1.44619905e-09 0.00000000e+00] [-3.08691568e-09 -1.44619905e-09 0.00000000e+00] [ 3.08691568e-09 1.44619905e-09 0.00000000e+00] [ 3.08691568e-09 -1.44619905e-09 0.00000000e+00] [-3.08691568e-09 1.44619905e-09 0.00000000e+00] [-3.08691568e-09 -1.44619905e-09 0.00000000e+00] [ 3.08691568e-09 1.44619905e-09 0.00000000e+00] [-1.30373662e-09 -2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 -2.15693426e-10 1.84810643e-09] [-1.30373662e-09 2.15693426e-10 1.84810643e-09] [-1.30373662e-09 -2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 -2.15693426e-10 1.84810643e-09] [-1.30373662e-09 2.15693426e-10 1.84810643e-09] [ 1.30373662e-09 2.15693426e-10 1.84810643e-09] [-1.30373662e-09 -2.15693426e-10 1.84810643e-09] [-1.30373662e-09 2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 -2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 2.15693426e-10 1.84810643e-09] [-1.30373662e-09 -2.15693426e-10 1.84810643e-09] [-1.30373662e-09 2.15693426e-10 -1.84810643e-09] [ 1.30373662e-09 -2.15693426e-10 -1.84810643e-09]] stress = [3.42888434e-12 7.68626672e-12 1.95954374e-11 0.00000000e+00 0.00000000e+00 1.75284018e-34] energy per atom = -6.684261078683079 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0