element(s): ['O', 'Si'] AFLOW prototype label: A2B_hR36_167_def_f Parameter names: ['a', 'c/a', 'x2', 'x3', 'y3', 'z3', 'x4', 'y4', 'z4'] model type (only 'standard' supported at this time): standard number of parameter sets: 1 Parameter values for parameter set 0: ['8.0495301', '3.6759176', '0.50600817', '0.90363734', '0.17688175', '0.25203044', '0.041032101', '0.95060742', '0.36070685'] model name: Sim_LAMMPS_ReaxFF_BrugnoliMiyataniAkaji_SiCeNaClHO_2023__SM_282799919035_000 ==== Building ASE atoms object with: ==== representative atom symbols = ['O', 'O', 'O', 'Si'] representative atom coordinates = [[0.5 0. 0. ] [0.74399183 0. 0.25 ] [0.47451393 0.60063476 0.27751651] [0.57659139 0.83350804 0.28411546]] spacegroup = 167 cell = [[8.0495, 0, 0], [-4.02475, 6.9710714877628, 0], [0, 0, 29.5894]] ========================================= Step Time Energy fmax BFGS: 0 15:41:55 -685.114734 27.614868 BFGS: 1 15:41:56 -683.333167 15.224874 BFGS: 2 15:41:57 -682.986686 4.028511 BFGS: 3 15:41:59 -686.574288 3.068979 BFGS: 4 15:42:00 -688.832212 8.418179 BFGS: 5 15:42:02 -688.937359 2.404310 BFGS: 6 15:42:04 -689.299842 1.944519 BFGS: 7 15:42:05 -687.402791 19.777788 BFGS: 8 15:42:07 -689.549844 0.904486 BFGS: 9 15:42:09 -689.698724 0.547763 BFGS: 10 15:42:11 -684.397861 21.456896 BFGS: 11 15:42:12 -689.759010 0.801085 BFGS: 12 15:42:13 -689.800998 1.001493 BFGS: 13 15:42:13 -690.016870 2.506688 BFGS: 14 15:42:14 -690.065505 2.024481 BFGS: 15 15:42:14 -690.182371 0.950604 BFGS: 16 15:42:15 -690.228461 0.541265 BFGS: 17 15:42:16 -690.268013 0.275888 BFGS: 18 15:42:17 -690.326238 0.325149 BFGS: 19 15:42:18 -690.389923 0.415764 BFGS: 20 15:42:18 -690.449070 0.973907 BFGS: 21 15:42:19 -690.503060 1.660473 BFGS: 22 15:42:20 -690.564615 1.890142 BFGS: 23 15:42:22 -690.635710 1.613290 BFGS: 24 15:42:23 -690.709564 1.124012 BFGS: 25 15:42:24 -690.785111 0.557049 BFGS: 26 15:42:25 -690.864050 0.243484 BFGS: 27 15:42:26 -690.946857 0.735900 BFGS: 28 15:42:28 -691.018362 1.005365 BFGS: 29 15:42:29 -691.051613 0.724509 BFGS: 30 15:42:31 -691.080509 0.146481 BFGS: 31 15:42:32 -691.093494 0.292319 BFGS: 32 15:42:33 -691.099574 0.311491 BFGS: 33 15:42:34 -691.103225 0.219423 BFGS: 34 15:42:34 -691.107763 0.156176 BFGS: 35 15:42:35 -691.113920 0.171949 BFGS: 36 15:42:37 -691.120983 0.175438 BFGS: 37 15:42:38 -691.128818 0.161238 BFGS: 38 15:42:40 -691.137725 0.175576 BFGS: 39 15:42:42 -691.147693 0.346871 BFGS: 40 15:42:43 -691.158667 0.474664 BFGS: 41 15:42:45 -691.170403 0.559973 BFGS: 42 15:42:46 -691.182659 0.611225 BFGS: 43 15:42:48 -691.195216 0.635582 BFGS: 44 15:42:49 -691.207869 0.638282 BFGS: 45 15:42:51 -691.220419 0.623141 BFGS: 46 15:42:52 -691.232679 0.592998 BFGS: 47 15:42:53 -691.244475 0.550010 BFGS: 48 15:42:54 -691.254889 0.495816 BFGS: 49 15:42:56 -691.265248 0.431346 BFGS: 50 15:42:57 -691.274742 0.357109 BFGS: 51 15:42:59 -691.283270 0.274710 BFGS: 52 15:43:01 -691.290760 0.184246 BFGS: 53 15:43:02 -691.297206 0.169297 BFGS: 54 15:43:04 -691.302749 0.197313 BFGS: 55 15:43:06 -691.306360 0.217128 BFGS: 56 15:43:08 -691.311511 0.244911 BFGS: 57 15:43:09 -691.320193 0.413253 BFGS: 58 15:43:11 -691.327874 0.525466 BFGS: 59 15:43:13 -691.335236 0.602389 BFGS: 60 15:43:14 -691.342461 0.655943 BFGS: 61 15:43:16 -691.349596 0.693146 BFGS: 62 15:43:18 -691.356651 0.718316 BFGS: 63 15:43:19 -691.363618 0.734253 BFGS: 64 15:43:21 -691.370486 0.742871 BFGS: 65 15:43:22 -691.377240 0.745542 BFGS: 66 15:43:23 -691.383864 0.743292 BFGS: 67 15:43:25 -691.390340 0.736921 BFGS: 68 15:43:26 -691.396654 0.727045 BFGS: 69 15:43:27 -691.402786 0.714209 BFGS: 70 15:43:29 -691.408724 0.698803 BFGS: 71 15:43:30 -691.414453 0.681206 BFGS: 72 15:43:31 -691.419963 0.661704 BFGS: 73 15:43:33 -691.425241 0.640580 BFGS: 74 15:43:35 -691.430276 0.618022 BFGS: 75 15:43:37 -691.435060 0.594221 BFGS: 76 15:43:39 -691.439585 0.569333 BFGS: 77 15:43:40 -691.443843 0.543491 BFGS: 78 15:43:42 -691.447828 0.516812 BFGS: 79 15:43:44 -691.451534 0.489392 BFGS: 80 15:43:45 -691.454957 0.461318 BFGS: 81 15:43:46 -691.458092 0.432662 BFGS: 82 15:43:48 -691.460934 0.403491 BFGS: 83 15:43:49 -691.463479 0.373861 BFGS: 84 15:43:50 -691.465725 0.343825 BFGS: 85 15:43:51 -691.467668 0.313428 BFGS: 86 15:43:52 -691.469304 0.282717 BFGS: 87 15:43:54 -691.470631 0.251735 BFGS: 88 15:43:55 -691.471647 0.220525 BFGS: 89 15:43:56 -691.472348 0.189136 BFGS: 90 15:43:58 -691.472733 0.157620 BFGS: 91 15:43:59 -691.472798 0.126044 BFGS: 92 15:44:00 -691.472542 0.094497 BFGS: 93 15:44:02 -691.471963 0.063112 BFGS: 94 15:44:03 -691.471058 0.032134 BFGS: 95 15:44:05 -691.469825 0.002219 BFGS: 96 15:44:07 -691.469500 0.002850 BFGS: 97 15:44:08 -691.469503 0.002164 BFGS: 98 15:44:10 -691.469523 0.000160 BFGS: 99 15:44:12 -691.469526 0.000103 BFGS: 100 15:44:14 -691.469528 0.000008 BFGS: 101 15:44:16 -691.469529 0.000004 BFGS: 102 15:44:17 -691.469529 0.000001 BFGS: 103 15:44:18 -691.469529 0.000001 BFGS: 104 15:44:19 -691.469529 0.000000 BFGS: 105 15:44:21 -691.469529 0.000000 BFGS: 106 15:44:22 -691.469529 0.000000 Minimization converged after 106 steps. Maximum force component: 3.6460844887958672e-09 eV/Angstrom Maximum stress component: 5.66986406109389e-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 = [[5.00000000e-01 3.62939812e-32 2.45783826e-32] [1.00000000e+00 5.00000000e-01 0.00000000e+00] [5.00000000e-01 5.00000000e-01 3.76868533e-32] [1.00000000e+00 5.00000000e-01 5.00000000e-01] [5.00000000e-01 3.19387035e-31 5.00000000e-01] [5.00000000e-01 5.00000000e-01 5.00000000e-01] [1.66666667e-01 3.33333333e-01 3.33333333e-01] [6.66666667e-01 8.33333333e-01 3.33333333e-01] [1.66666667e-01 8.33333333e-01 3.33333333e-01] [6.66666667e-01 8.33333333e-01 8.33333333e-01] [1.66666667e-01 3.33333333e-01 8.33333333e-01] [1.66666667e-01 8.33333333e-01 8.33333333e-01] [8.33333333e-01 6.66666667e-01 6.66666667e-01] [3.33333333e-01 1.66666667e-01 6.66666667e-01] [8.33333333e-01 1.66666667e-01 6.66666667e-01] [3.33333333e-01 1.66666667e-01 1.66666667e-01] [8.33333333e-01 6.66666667e-01 1.66666667e-01] [8.33333333e-01 1.66666667e-01 1.66666667e-01] [7.48503237e-01 1.45175925e-31 2.50000000e-01] [1.00000000e+00 7.48503237e-01 2.50000000e-01] [2.51496763e-01 2.51496763e-01 2.50000000e-01] [4.15169903e-01 3.33333333e-01 5.83333333e-01] [6.66666667e-01 8.18365699e-02 5.83333333e-01] [9.18163430e-01 5.84830097e-01 5.83333333e-01] [8.18365699e-02 6.66666667e-01 9.16666667e-01] [3.33333333e-01 4.15169903e-01 9.16666667e-01] [5.84830097e-01 9.18163430e-01 9.16666667e-01] [2.51496763e-01 3.48422220e-31 7.50000000e-01] [1.00000000e+00 2.51496763e-01 7.50000000e-01] [7.48503237e-01 7.48503237e-01 7.50000000e-01] [9.18163430e-01 3.33333333e-01 8.33333333e-02] [6.66666667e-01 5.84830097e-01 8.33333333e-02] [4.15169903e-01 8.18365699e-02 8.33333333e-02] [5.84830097e-01 6.66666667e-01 4.16666667e-01] [3.33333333e-01 9.18163430e-01 4.16666667e-01] [8.18365699e-02 4.15169903e-01 4.16666667e-01] [4.72424731e-01 5.98896943e-01 2.78441554e-01] [4.01103057e-01 8.73527788e-01 2.78441554e-01] [1.26472212e-01 5.27575269e-01 2.78441554e-01] [5.98896943e-01 4.72424731e-01 2.21558446e-01] [8.73527788e-01 4.01103057e-01 2.21558446e-01] [5.27575269e-01 1.26472212e-01 2.21558446e-01] [1.39091398e-01 9.32230276e-01 6.11774887e-01] [6.77697240e-02 2.06861122e-01 6.11774887e-01] [7.93138878e-01 8.60908602e-01 6.11774887e-01] [2.65563609e-01 8.05758064e-01 5.54891780e-01] [5.40194455e-01 7.34436391e-01 5.54891780e-01] [1.94241936e-01 4.59805545e-01 5.54891780e-01] [8.05758064e-01 2.65563609e-01 9.45108220e-01] [7.34436391e-01 5.40194455e-01 9.45108220e-01] [4.59805545e-01 1.94241936e-01 9.45108220e-01] [9.32230276e-01 1.39091398e-01 8.88225113e-01] [2.06861122e-01 6.77697240e-02 8.88225113e-01] [8.60908602e-01 7.93138878e-01 8.88225113e-01] [5.27575269e-01 4.01103057e-01 7.21558446e-01] [5.98896943e-01 1.26472212e-01 7.21558446e-01] [8.73527788e-01 4.72424731e-01 7.21558446e-01] [4.01103057e-01 5.27575269e-01 7.78441554e-01] [1.26472212e-01 5.98896943e-01 7.78441554e-01] [4.72424731e-01 8.73527788e-01 7.78441554e-01] [1.94241936e-01 7.34436391e-01 5.48917797e-02] [2.65563609e-01 4.59805545e-01 5.48917797e-02] [5.40194455e-01 8.05758064e-01 5.48917797e-02] [6.77697240e-02 8.60908602e-01 1.11774887e-01] [7.93138878e-01 9.32230276e-01 1.11774887e-01] [1.39091398e-01 2.06861122e-01 1.11774887e-01] [8.60908602e-01 6.77697240e-02 3.88225113e-01] [9.32230276e-01 7.93138878e-01 3.88225113e-01] [2.06861122e-01 1.39091398e-01 3.88225113e-01] [7.34436391e-01 1.94241936e-01 4.45108220e-01] [4.59805545e-01 2.65563609e-01 4.45108220e-01] [8.05758064e-01 5.40194455e-01 4.45108220e-01] [5.83147921e-01 8.35177409e-01 2.84285431e-01] [1.64822591e-01 7.47970512e-01 2.84285431e-01] [2.52029488e-01 4.16852079e-01 2.84285431e-01] [8.35177409e-01 5.83147921e-01 2.15714569e-01] [7.47970512e-01 1.64822591e-01 2.15714569e-01] [4.16852079e-01 2.52029488e-01 2.15714569e-01] [2.49814588e-01 1.68510742e-01 6.17618765e-01] [8.31489258e-01 8.13038456e-02 6.17618765e-01] [9.18696154e-01 7.50185412e-01 6.17618765e-01] [5.01844076e-01 9.16481255e-01 5.49047902e-01] [4.14637179e-01 4.98155924e-01 5.49047902e-01] [8.35187455e-02 5.85362821e-01 5.49047902e-01] [9.16481255e-01 5.01844076e-01 9.50952098e-01] [4.98155924e-01 4.14637179e-01 9.50952098e-01] [5.85362821e-01 8.35187455e-02 9.50952098e-01] [1.68510742e-01 2.49814588e-01 8.82381235e-01] [8.13038456e-02 8.31489258e-01 8.82381235e-01] [7.50185412e-01 9.18696154e-01 8.82381235e-01] [4.16852079e-01 1.64822591e-01 7.15714569e-01] [8.35177409e-01 2.52029488e-01 7.15714569e-01] [7.47970512e-01 5.83147921e-01 7.15714569e-01] [1.64822591e-01 4.16852079e-01 7.84285431e-01] [2.52029488e-01 8.35177409e-01 7.84285431e-01] [5.83147921e-01 7.47970512e-01 7.84285431e-01] [8.35187455e-02 4.98155924e-01 4.90479020e-02] [5.01844076e-01 5.85362821e-01 4.90479020e-02] [4.14637179e-01 9.16481255e-01 4.90479020e-02] [8.31489258e-01 7.50185412e-01 1.17618765e-01] [9.18696154e-01 1.68510742e-01 1.17618765e-01] [2.49814588e-01 8.13038456e-02 1.17618765e-01] [7.50185412e-01 8.31489258e-01 3.82381235e-01] [1.68510742e-01 9.18696154e-01 3.82381235e-01] [8.13038456e-02 2.49814588e-01 3.82381235e-01] [4.98155924e-01 8.35187455e-02 4.50952098e-01] [5.85362821e-01 5.01844076e-01 4.50952098e-01] [9.16481255e-01 4.14637179e-01 4.50952098e-01]] cellpar = Cell([[7.843054144285807, 5.385828717349661e-17, 2.507395585159446e-16], [-3.9215270721429016, 6.792284132208296, 5.169512645640531e-16], [7.672833660709026e-17, 2.78440259715771e-15, 30.089738259451988]]) forces = [[ 1.75988019e-28 -3.04820190e-28 -3.37587458e-28] [ 1.31991014e-28 -2.28615143e-28 5.06381187e-28] [-3.51976038e-28 1.32025797e-44 1.68793729e-28] [-3.16778434e-27 1.21928076e-27 2.37366182e-28] [ 7.91946085e-28 -1.52410095e-28 1.68793729e-28] [-1.49589816e-27 -6.09640381e-28 -4.32533931e-28] [-9.89932607e-28 8.76358047e-28 1.26595297e-28] [-9.81683168e-28 -1.10021037e-27 3.37587458e-28] [ 8.79940095e-28 9.14460571e-28 5.06381187e-28] [ 4.39970047e-28 -9.14460571e-28 -1.47694513e-28] [-5.27964057e-28 3.04820190e-28 -2.53190594e-28] [ 3.51976038e-28 -1.32025797e-44 -1.68793729e-28] [ 3.51976038e-28 -6.09640381e-28 -3.37587458e-28] [ 1.75988019e-28 -3.04820190e-28 6.75174917e-28] [-3.51976038e-28 -2.41702099e-45 -1.12525446e-44] [-2.81580830e-27 1.21928076e-27 3.37587458e-28] [ 7.03952076e-28 4.83404199e-45 2.25050891e-44] [-1.05592811e-27 -6.09640381e-28 -3.37587458e-28] [-4.93763373e-11 -3.29541894e-28 -1.57854336e-27] [ 2.46881687e-11 -4.27611625e-11 -3.23339317e-27] [ 2.46881687e-11 4.27611625e-11 4.68534123e-27] [-4.93763373e-11 -3.31923302e-28 -1.86338278e-27] [ 2.46881687e-11 -4.27611625e-11 -3.43383573e-27] [ 2.46881687e-11 4.27611625e-11 4.97018065e-27] [-4.93763373e-11 -3.29541894e-28 -1.43084884e-27] [ 2.46881687e-11 -4.27611625e-11 -3.19119474e-27] [ 2.46881687e-11 4.27611625e-11 4.83303575e-27] [ 4.93763373e-11 3.35495413e-28 1.62074179e-27] [-2.46881687e-11 4.27611625e-11 3.43383573e-27] [-2.46881687e-11 -4.27611625e-11 -4.99127987e-27] [ 4.93763373e-11 3.39067525e-28 1.28315433e-27] [-2.46881687e-11 4.27611625e-11 3.06459944e-27] [-2.46881687e-11 -4.27611625e-11 -4.81193653e-27] [ 4.93763373e-11 3.34304709e-28 1.78953552e-27] [-2.46881687e-11 4.27611625e-11 3.38108769e-27] [-2.46881687e-11 -4.27611625e-11 -4.91743261e-27] [-3.51424923e-10 8.51515867e-10 -2.95820651e-10] [-5.61721911e-10 -7.30100844e-10 -2.95820651e-10] [ 9.13146834e-10 -1.21415022e-10 -2.95820651e-10] [ 9.13146834e-10 1.21415022e-10 2.95820651e-10] [-3.51424923e-10 -8.51515867e-10 2.95820651e-10] [-5.61721911e-10 7.30100844e-10 2.95820651e-10] [-3.51424923e-10 8.51515867e-10 -2.95820651e-10] [-5.61721911e-10 -7.30100844e-10 -2.95820651e-10] [ 9.13146834e-10 -1.21415022e-10 -2.95820651e-10] [ 9.13146834e-10 1.21415022e-10 2.95820651e-10] [-3.51424923e-10 -8.51515867e-10 2.95820651e-10] [-5.61721911e-10 7.30100844e-10 2.95820651e-10] [-3.51424923e-10 8.51515867e-10 -2.95820651e-10] [-5.61721911e-10 -7.30100844e-10 -2.95820651e-10] [ 9.13146834e-10 -1.21415022e-10 -2.95820651e-10] [ 9.13146834e-10 1.21415022e-10 2.95820651e-10] [-3.51424923e-10 -8.51515867e-10 2.95820651e-10] [-5.61721911e-10 7.30100844e-10 2.95820651e-10] [ 3.51424923e-10 -8.51515867e-10 2.95820651e-10] [ 5.61721911e-10 7.30100844e-10 2.95820651e-10] [-9.13146834e-10 1.21415022e-10 2.95820651e-10] [-9.13146834e-10 -1.21415022e-10 -2.95820651e-10] [ 3.51424923e-10 8.51515867e-10 -2.95820651e-10] [ 5.61721911e-10 -7.30100844e-10 -2.95820651e-10] [ 3.51424923e-10 -8.51515867e-10 2.95820651e-10] [ 5.61721911e-10 7.30100844e-10 2.95820651e-10] [-9.13146834e-10 1.21415022e-10 2.95820651e-10] [-9.13146834e-10 -1.21415022e-10 -2.95820651e-10] [ 3.51424923e-10 8.51515867e-10 -2.95820651e-10] [ 5.61721911e-10 -7.30100844e-10 -2.95820651e-10] [ 3.51424923e-10 -8.51515867e-10 2.95820651e-10] [ 5.61721911e-10 7.30100844e-10 2.95820651e-10] [-9.13146834e-10 1.21415022e-10 2.95820651e-10] [-9.13146834e-10 -1.21415022e-10 -2.95820651e-10] [ 3.51424923e-10 8.51515867e-10 -2.95820651e-10] [ 5.61721911e-10 -7.30100844e-10 -2.95820651e-10] [ 1.86064289e-09 3.13589305e-09 2.07676117e-10] [-3.64608449e-09 4.34174811e-11 2.07676117e-10] [ 1.78544160e-09 -3.17931053e-09 2.07676117e-10] [ 1.78544160e-09 3.17931053e-09 -2.07676117e-10] [ 1.86064289e-09 -3.13589305e-09 -2.07676117e-10] [-3.64608449e-09 -4.34174811e-11 -2.07676117e-10] [ 1.86064289e-09 3.13589305e-09 2.07676117e-10] [-3.64608449e-09 4.34174811e-11 2.07676117e-10] [ 1.78544160e-09 -3.17931053e-09 2.07676117e-10] [ 1.78544160e-09 3.17931053e-09 -2.07676117e-10] [ 1.86064289e-09 -3.13589305e-09 -2.07676117e-10] [-3.64608449e-09 -4.34174811e-11 -2.07676117e-10] [ 1.86064289e-09 3.13589305e-09 2.07676117e-10] [-3.64608449e-09 4.34174811e-11 2.07676117e-10] [ 1.78544160e-09 -3.17931053e-09 2.07676117e-10] [ 1.78544160e-09 3.17931053e-09 -2.07676117e-10] [ 1.86064289e-09 -3.13589305e-09 -2.07676117e-10] [-3.64608449e-09 -4.34174811e-11 -2.07676117e-10] [-1.86064289e-09 -3.13589305e-09 -2.07676117e-10] [ 3.64608449e-09 -4.34174811e-11 -2.07676117e-10] [-1.78544160e-09 3.17931053e-09 -2.07676117e-10] [-1.78544160e-09 -3.17931053e-09 2.07676117e-10] [-1.86064289e-09 3.13589305e-09 2.07676117e-10] [ 3.64608449e-09 4.34174811e-11 2.07676117e-10] [-1.86064289e-09 -3.13589305e-09 -2.07676117e-10] [ 3.64608449e-09 -4.34174811e-11 -2.07676117e-10] [-1.78544160e-09 3.17931053e-09 -2.07676117e-10] [-1.78544160e-09 -3.17931053e-09 2.07676117e-10] [-1.86064289e-09 3.13589305e-09 2.07676117e-10] [ 3.64608449e-09 4.34174811e-11 2.07676117e-10] [-1.86064289e-09 -3.13589305e-09 -2.07676117e-10] [ 3.64608449e-09 -4.34174811e-11 -2.07676117e-10] [-1.78544160e-09 3.17931053e-09 -2.07676117e-10] [-1.78544160e-09 -3.17931053e-09 2.07676117e-10] [-1.86064289e-09 3.13589305e-09 2.07676117e-10] [ 3.64608449e-09 4.34174811e-11 2.07676117e-10]] stress = [-8.03220277e-12 -8.03220277e-12 5.66986406e-11 1.80756613e-26 6.06933768e-27 1.71780211e-27] energy per atom = -6.306482532635905 =============================================== Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them. Successfully added property instance for parameter set 0