Enter the name of the KIM Model you wish to perform calculations for: Enter the name of the species you wish to simulate: Enter the lattice type of the crystal ('bcc', 'diamond', 'fcc', 'hcp', or 'sc'): Enter the lattice constant 'a' in meters: If the lattice type is hcp, enter the lattice constant 'c' in meters (if you are not using hcp as the lattice, simply put any value here, as it will be ignored): Parameters Input: Cu EAM_Dynamo_BonnyPasianotCastin_2009_FeCuNi__MO_469343973171_005 fcc [3.61492508649826] Cell Size Min: 4 Cell Size Max: 6 Smallest System Size: 256 Largest System Size: 864 [Calculation] Calculating Size 4 ... Step Time Energy fmax MDMin: 0 11:45:57 -900.064204 2.0229 MDMin: 1 11:45:58 -900.346422 1.3866 MDMin: 2 11:45:58 -900.653718 0.3032 MDMin: 3 11:45:59 -900.736099 0.1667 MDMin: 4 11:45:59 -900.753793 0.1384 MDMin: 5 11:46:00 -900.765569 0.0555 MDMin: 6 11:46:00 -900.771894 0.0473 MDMin: 7 11:46:01 -900.778030 0.0441 MDMin: 8 11:46:01 -900.782684 0.0859 MDMin: 9 11:46:02 -900.784279 0.0475 MDMin: 10 11:46:02 -900.785326 0.0262 MDMin: 11 11:46:03 -900.786779 0.0244 MDMin: 12 11:46:04 -900.788451 0.0352 MDMin: 13 11:46:05 -900.789907 0.0742 MDMin: 14 11:46:05 -900.790476 0.0347 MDMin: 15 11:46:06 -900.790957 0.0166 MDMin: 16 11:46:07 -900.791603 0.0186 MDMin: 17 11:46:08 -900.792354 0.0280 MDMin: 18 11:46:09 -900.792957 0.0422 MDMin: 19 11:46:10 -900.793218 0.0154 MDMin: 20 11:46:11 -900.793561 0.0135 MDMin: 21 11:46:12 -900.793997 0.0168 MDMin: 22 11:46:14 -900.794464 0.0263 MDMin: 23 11:46:15 -900.794728 0.0283 MDMin: 24 11:46:16 -900.794865 0.0109 MDMin: 25 11:46:17 -900.795094 0.0098 MDMin: 26 11:46:18 -900.795395 0.0097 MDMin: 27 11:46:20 -900.795750 0.0109 MDMin: 28 11:46:21 -900.796025 0.0261 MDMin: 29 11:46:22 -900.796090 0.0076 MDMin: 30 11:46:22 -900.796216 0.0067 MDMin: 31 11:46:24 -900.796366 0.0071 MDMin: 32 11:46:25 -900.796521 0.0112 MDMin: 33 11:46:26 -900.796603 0.0139 MDMin: 34 11:46:28 -900.796625 0.0061 MDMin: 35 11:46:29 -900.796679 0.0050 MDMin: 36 11:46:30 -900.796748 0.0058 MDMin: 37 11:46:32 -900.796811 0.0074 MDMin: 38 11:46:34 -900.796857 0.0073 MDMin: 39 11:46:35 -900.796884 0.0040 MDMin: 40 11:46:37 -900.796920 0.0042 MDMin: 41 11:46:38 -900.796963 0.0039 MDMin: 42 11:46:39 -900.797007 0.0058 MDMin: 43 11:46:41 -900.797033 0.0050 MDMin: 44 11:46:41 -900.797047 0.0031 MDMin: 45 11:46:42 -900.797068 0.0029 MDMin: 46 11:46:43 -900.797096 0.0028 MDMin: 47 11:46:44 -900.797125 0.0040 MDMin: 48 11:46:45 -900.797147 0.0058 MDMin: 49 11:46:46 -900.797153 0.0029 MDMin: 50 11:46:47 -900.797164 0.0024 MDMin: 51 11:46:49 -900.797178 0.0024 MDMin: 52 11:46:50 -900.797188 0.0025 MDMin: 53 11:46:52 -900.797198 0.0023 MDMin: 54 11:46:53 -900.797206 0.0019 MDMin: 55 11:46:55 -900.797212 0.0018 MDMin: 56 11:46:57 -900.797222 0.0018 MDMin: 57 11:46:58 -900.797230 0.0021 MDMin: 58 11:46:59 -900.797235 0.0017 MDMin: 59 11:47:00 -900.797240 0.0014 MDMin: 60 11:47:01 -900.797245 0.0016 MDMin: 61 11:47:02 -900.797251 0.0020 MDMin: 62 11:47:03 -900.797256 0.0019 MDMin: 63 11:47:04 -900.797260 0.0013 MDMin: 64 11:47:04 -900.797263 0.0016 MDMin: 65 11:47:05 -900.797267 0.0017 MDMin: 66 11:47:06 -900.797272 0.0013 MDMin: 67 11:47:07 -900.797275 0.0012 MDMin: 68 11:47:08 -900.797278 0.0016 MDMin: 69 11:47:09 -900.797281 0.0014 MDMin: 70 11:47:10 -900.797284 0.0009 Optimization terminated successfully. Current function value: 900.793514 Iterations: 15 Function evaluations: 30 Formation Energy: 1.2735154816704153 Migration Energy: 0.6886446516900833 Calculating Size 5 ... Step Time Energy fmax MDMin: 0 11:47:13 -1763.876309 2.0257 MDMin: 1 11:47:14 -1764.159268 1.3878 MDMin: 2 11:47:16 -1764.466930 0.3028 MDMin: 3 11:47:17 -1764.549208 0.1682 MDMin: 4 11:47:18 -1764.566884 0.1390 MDMin: 5 11:47:19 -1764.578773 0.0553 MDMin: 6 11:47:20 -1764.585078 0.0471 MDMin: 7 11:47:22 -1764.591061 0.0445 MDMin: 8 11:47:22 -1764.595381 0.0871 MDMin: 9 11:47:23 -1764.596656 0.0413 MDMin: 10 11:47:24 -1764.597770 0.0267 MDMin: 11 11:47:25 -1764.599146 0.0273 MDMin: 12 11:47:26 -1764.600612 0.0383 MDMin: 13 11:47:27 -1764.601729 0.0665 MDMin: 14 11:47:28 -1764.602213 0.0228 MDMin: 15 11:47:30 -1764.602810 0.0189 MDMin: 16 11:47:31 -1764.603548 0.0270 MDMin: 17 11:47:32 -1764.604253 0.0363 MDMin: 18 11:47:33 -1764.604698 0.0311 MDMin: 19 11:47:35 -1764.605017 0.0153 MDMin: 20 11:47:36 -1764.605441 0.0135 MDMin: 21 11:47:38 -1764.605976 0.0237 MDMin: 22 11:47:39 -1764.606458 0.0349 MDMin: 23 11:47:40 -1764.606727 0.0234 MDMin: 24 11:47:41 -1764.606953 0.0116 MDMin: 25 11:47:42 -1764.607254 0.0113 MDMin: 26 11:47:44 -1764.607636 0.0157 MDMin: 27 11:47:45 -1764.607974 0.0272 MDMin: 28 11:47:46 -1764.608154 0.0147 MDMin: 29 11:47:47 -1764.608310 0.0083 MDMin: 30 11:47:48 -1764.608519 0.0092 MDMin: 31 11:47:49 -1764.608781 0.0109 MDMin: 32 11:47:51 -1764.609027 0.0196 MDMin: 33 11:47:52 -1764.609151 0.0109 MDMin: 34 11:47:53 -1764.609250 0.0076 MDMin: 35 11:47:54 -1764.609389 0.0065 MDMin: 36 11:47:55 -1764.609571 0.0076 MDMin: 37 11:47:56 -1764.609749 0.0127 MDMin: 38 11:47:58 -1764.609852 0.0117 MDMin: 39 11:47:59 -1764.609905 0.0057 MDMin: 40 11:48:01 -1764.609993 0.0056 MDMin: 41 11:48:03 -1764.610119 0.0052 MDMin: 42 11:48:03 -1764.610265 0.0052 MDMin: 43 11:48:04 -1764.610412 0.0091 MDMin: 44 11:48:05 -1764.610490 0.0114 MDMin: 45 11:48:06 -1764.610505 0.0060 MDMin: 46 11:48:08 -1764.610547 0.0047 MDMin: 47 11:48:09 -1764.610588 0.0042 MDMin: 48 11:48:10 -1764.610640 0.0051 MDMin: 49 11:48:11 -1764.610692 0.0066 MDMin: 50 11:48:12 -1764.610733 0.0079 MDMin: 51 11:48:14 -1764.610758 0.0037 MDMin: 52 11:48:15 -1764.610790 0.0035 MDMin: 53 11:48:17 -1764.610830 0.0037 MDMin: 54 11:48:18 -1764.610869 0.0055 MDMin: 55 11:48:19 -1764.610899 0.0054 MDMin: 56 11:48:20 -1764.610917 0.0031 MDMin: 57 11:48:21 -1764.610939 0.0030 MDMin: 58 11:48:22 -1764.610971 0.0028 MDMin: 59 11:48:24 -1764.611001 0.0048 MDMin: 60 11:48:25 -1764.611021 0.0054 MDMin: 61 11:48:25 -1764.611032 0.0025 MDMin: 62 11:48:26 -1764.611047 0.0023 MDMin: 63 11:48:28 -1764.611069 0.0023 MDMin: 64 11:48:29 -1764.611094 0.0050 MDMin: 65 11:48:30 -1764.611108 0.0059 MDMin: 66 11:48:31 -1764.611115 0.0020 MDMin: 67 11:48:32 -1764.611126 0.0019 MDMin: 68 11:48:33 -1764.611140 0.0023 MDMin: 69 11:48:34 -1764.611159 0.0036 MDMin: 70 11:48:35 -1764.611171 0.0051 MDMin: 71 11:48:36 -1764.611175 0.0017 MDMin: 72 11:48:37 -1764.611184 0.0020 MDMin: 73 11:48:38 -1764.611193 0.0023 MDMin: 74 11:48:39 -1764.611206 0.0027 MDMin: 75 11:48:40 -1764.611215 0.0038 MDMin: 76 11:48:41 -1764.611218 0.0013 MDMin: 77 11:48:41 -1764.611224 0.0013 MDMin: 78 11:48:42 -1764.611232 0.0015 MDMin: 79 11:48:44 -1764.611241 0.0024 MDMin: 80 11:48:45 -1764.611249 0.0042 MDMin: 81 11:48:46 -1764.611251 0.0011 MDMin: 82 11:48:47 -1764.611256 0.0011 MDMin: 83 11:48:48 -1764.611261 0.0010 MDMin: 84 11:48:49 -1764.611268 0.0022 MDMin: 85 11:48:50 -1764.611273 0.0039 MDMin: 86 11:48:50 -1764.611274 0.0010 MDMin: 87 11:48:51 -1764.611277 0.0010 MDMin: 88 11:48:52 -1764.611281 0.0015 MDMin: 89 11:48:53 -1764.611284 0.0017 MDMin: 90 11:48:54 -1764.611286 0.0011 MDMin: 91 11:48:54 -1764.611288 0.0008 Optimization terminated successfully. Current function value: 1764.607482 Iterations: 15 Function evaluations: 30 Formation Energy: 1.272893707885487 Migration Energy: 0.6885715294135935 Calculating Size 6 ... Step Time Energy fmax MDMin: 0 11:48:58 -3052.517097 2.0235 MDMin: 1 11:48:59 -3052.799542 1.3864 MDMin: 2 11:49:00 -3053.106675 0.3023 MDMin: 3 11:49:02 -3053.188760 0.1678 MDMin: 4 11:49:03 -3053.206399 0.1386 MDMin: 5 11:49:04 -3053.218255 0.0553 MDMin: 6 11:49:04 -3053.224564 0.0471 MDMin: 7 11:49:05 -3053.230559 0.0444 MDMin: 8 11:49:06 -3053.234875 0.0871 MDMin: 9 11:49:07 -3053.236129 0.0410 MDMin: 10 11:49:08 -3053.237222 0.0266 MDMin: 11 11:49:09 -3053.238560 0.0272 MDMin: 12 11:49:09 -3053.239967 0.0381 MDMin: 13 11:49:10 -3053.241010 0.0647 MDMin: 14 11:49:11 -3053.241453 0.0219 MDMin: 15 11:49:11 -3053.242023 0.0181 MDMin: 16 11:49:12 -3053.242729 0.0265 MDMin: 17 11:49:14 -3053.243386 0.0362 MDMin: 18 11:49:15 -3053.243782 0.0289 MDMin: 19 11:49:16 -3053.244078 0.0144 MDMin: 20 11:49:18 -3053.244473 0.0129 MDMin: 21 11:49:19 -3053.244974 0.0231 MDMin: 22 11:49:21 -3053.245421 0.0340 MDMin: 23 11:49:22 -3053.245667 0.0219 MDMin: 24 11:49:24 -3053.245880 0.0109 MDMin: 25 11:49:24 -3053.246168 0.0109 MDMin: 26 11:49:26 -3053.246525 0.0154 MDMin: 27 11:49:27 -3053.246857 0.0263 MDMin: 28 11:49:28 -3053.247028 0.0146 MDMin: 29 11:49:29 -3053.247181 0.0078 MDMin: 30 11:49:30 -3053.247387 0.0086 MDMin: 31 11:49:31 -3053.247652 0.0107 MDMin: 32 11:49:32 -3053.247896 0.0192 MDMin: 33 11:49:33 -3053.248032 0.0115 MDMin: 34 11:49:34 -3053.248138 0.0072 MDMin: 35 11:49:35 -3053.248284 0.0060 MDMin: 36 11:49:35 -3053.248480 0.0074 MDMin: 37 11:49:36 -3053.248676 0.0130 MDMin: 38 11:49:37 -3053.248797 0.0131 MDMin: 39 11:49:38 -3053.248859 0.0053 MDMin: 40 11:49:39 -3053.248962 0.0053 MDMin: 41 11:49:40 -3053.249110 0.0049 MDMin: 42 11:49:41 -3053.249285 0.0055 MDMin: 43 11:49:42 -3053.249456 0.0155 MDMin: 44 11:49:43 -3053.249526 0.0083 MDMin: 45 11:49:44 -3053.249560 0.0044 MDMin: 46 11:49:45 -3053.249627 0.0041 MDMin: 47 11:49:46 -3053.249722 0.0042 MDMin: 48 11:49:47 -3053.249839 0.0043 MDMin: 49 11:49:48 -3053.249956 0.0107 MDMin: 50 11:49:48 -3053.250015 0.0094 MDMin: 51 11:49:49 -3053.250032 0.0041 MDMin: 52 11:49:50 -3053.250074 0.0037 MDMin: 53 11:49:51 -3053.250129 0.0033 MDMin: 54 11:49:52 -3053.250190 0.0056 MDMin: 55 11:49:53 -3053.250241 0.0066 MDMin: 56 11:49:53 -3053.250267 0.0034 MDMin: 57 11:49:54 -3053.250301 0.0030 MDMin: 58 11:49:55 -3053.250344 0.0032 MDMin: 59 11:49:56 -3053.250390 0.0053 MDMin: 60 11:49:57 -3053.250424 0.0070 MDMin: 61 11:49:58 -3053.250442 0.0026 MDMin: 62 11:49:59 -3053.250467 0.0027 MDMin: 63 11:50:00 -3053.250503 0.0031 MDMin: 64 11:50:01 -3053.250540 0.0067 MDMin: 65 11:50:01 -3053.250566 0.0070 MDMin: 66 11:50:03 -3053.250578 0.0024 MDMin: 67 11:50:03 -3053.250600 0.0023 MDMin: 68 11:50:05 -3053.250628 0.0023 MDMin: 69 11:50:07 -3053.250666 0.0022 MDMin: 70 11:50:07 -3053.250702 0.0048 MDMin: 71 11:50:08 -3053.250723 0.0057 MDMin: 72 11:50:09 -3053.250728 0.0027 MDMin: 73 11:50:10 -3053.250742 0.0021 MDMin: 74 11:50:11 -3053.250756 0.0020 MDMin: 75 11:50:12 -3053.250775 0.0021 MDMin: 76 11:50:12 -3053.250791 0.0024 MDMin: 77 11:50:13 -3053.250802 0.0021 MDMin: 78 11:50:14 -3053.250813 0.0017 MDMin: 79 11:50:15 -3053.250825 0.0020 MDMin: 80 11:50:16 -3053.250838 0.0030 MDMin: 81 11:50:17 -3053.250849 0.0037 MDMin: 82 11:50:17 -3053.250857 0.0022 MDMin: 83 11:50:18 -3053.250866 0.0018 MDMin: 84 11:50:19 -3053.250876 0.0022 MDMin: 85 11:50:20 -3053.250886 0.0031 MDMin: 86 11:50:21 -3053.250895 0.0031 MDMin: 87 11:50:21 -3053.250901 0.0017 MDMin: 88 11:50:22 -3053.250908 0.0015 MDMin: 89 11:50:23 -3053.250917 0.0019 MDMin: 90 11:50:24 -3053.250925 0.0026 MDMin: 91 11:50:25 -3053.250932 0.0023 MDMin: 92 11:50:26 -3053.250937 0.0014 MDMin: 93 11:50:26 -3053.250943 0.0013 MDMin: 94 11:50:27 -3053.250951 0.0016 MDMin: 95 11:50:28 -3053.250957 0.0022 MDMin: 96 11:50:29 -3053.250963 0.0016 MDMin: 97 11:50:30 -3053.250967 0.0012 MDMin: 98 11:50:31 -3053.250972 0.0013 MDMin: 99 11:50:32 -3053.250978 0.0014 MDMin: 100 11:50:32 -3053.250984 0.0018 MDMin: 101 11:50:33 -3053.250987 0.0013 MDMin: 102 11:50:34 -3053.250991 0.0011 MDMin: 103 11:50:35 -3053.250995 0.0010 MDMin: 104 11:50:36 -3053.251001 0.0012 MDMin: 105 11:50:36 -3053.251005 0.0016 MDMin: 106 11:50:37 -3053.251008 0.0012 MDMin: 107 11:50:38 -3053.251011 0.0009 Optimization terminated successfully. Current function value: 3053.247187 Iterations: 15 Function evaluations: 30 Formation Energy: 1.2726376398986758 Migration Energy: 0.6885944813811875 [Calculation Results Summary] Size MigrationEnergy FormationEnergy [4, 0.6886446516900833, 1.2735154816704153] [5, 0.6885715294135935, 1.272893707885487] [6, 0.6885944813811875, 1.2726376398986758] [Extrapolation] Fitting w/ 2 points, including orders [0, 3] Fit with Size: [4 5] Orders: [0, 3] Matrix A (Ax = y): [[1. 0.015625] [1. 0.008 ]] Data for Fitting: [0.6886446516900833, 0.6885715294135935] Fitting Results: (array([0.68849481, 0.00958981]), array([], dtype=float64), 2, array([1.41431223, 0.00539131])) Fit with Size: [5 6] Orders: [0, 3] Matrix A (Ax = y): [[1. 0.008 ] [1. 0.00462963]] Data for Fitting: [0.6885715294135935, 0.6885944813811875] Fitting Results: (array([ 0.68862601, -0.00680992]), array([], dtype=float64), 2, array([1.41424176, 0.00238316])) Fitting w/ 3 points, including orders [0, 3] Fit with Size: [4 5 6] Orders: [0, 3] Matrix A (Ax = y): [[1. 0.015625 ] [1. 0.008 ] [1. 0.00462963]] Data for Fitting: [0.6886446516900833, 0.6885715294135935, 0.6885944813811875] Fitting Results: (array([0.68855251, 0.00541939]), array([9.32922558e-10]), 2, array([1.73212763, 0.00796621])) Fitting w/ 2 points, including orders [0, 3] Fit with Size: [4 5] Orders: [0, 3] Matrix A (Ax = y): [[1. 0.015625] [1. 0.008 ]] Data for Fitting: [1.2735154816704153, 1.272893707885487] Fitting Results: (array([1.27224136, 0.0815441 ]), array([], dtype=float64), 2, array([1.41431223, 0.00539131])) Fit with Size: [5 6] Orders: [0, 3] Matrix A (Ax = y): [[1. 0.008 ] [1. 0.00462963]] Data for Fitting: [1.272893707885487, 1.2726376398986758] Fitting Results: (array([1.2722859 , 0.07597622]), array([], dtype=float64), 2, array([1.41424176, 0.00238316])) Fitting w/ 3 points, including orders [0, 3] Fit with Size: [4 5 6] Orders: [0, 3] Matrix A (Ax = y): [[1. 0.015625 ] [1. 0.008 ] [1. 0.00462963]] Data for Fitting: [1.2735154816704153, 1.272893707885487, 1.2726376398986758] Fitting Results: (array([1.27226095, 0.0801282 ]), array([1.07535776e-10]), 2, array([1.73212763, 0.00796621])) Vacancy Migration Energy: [0.6886260088092017, 7.34955902195189e-05] Vacancy Formation Energy: [1.272285898158551, 2.4952552071022538e-05] FIRE Uncertainty: 0.0 [Final Results] [ { "property-id" "tag:staff@noreply.openkim.org,2015-09-16:property/monovacancy-neutral-migration-energy-crystal-npt" "instance-id" 1 "vacancy-migration-energy" { "source-value" 0.6886260088092017 "source-unit" "eV" "source-std-uncert-value" 7.34955902195189e-05 } "host-missing-atom-start" { "source-value" 1 } "host-missing-atom-end" { "source-value" 1 } "host-cauchy-stress" { "source-value" [ 0 0 0 0 0 0 ] "source-unit" "GPa" } "host-short-name" { "source-value" [ "fcc" ] } "host-a" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "host-b" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "host-c" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "host-alpha" { "source-value" 90.0 "source-unit" "degree" } "host-beta" { "source-value" 90.0 "source-unit" "degree" } "host-gamma" { "source-value" 90.0 "source-unit" "degree" } "host-space-group" { "source-value" "Fm-3m" } "host-wyckoff-multiplicity-and-letter" { "source-value" [ "4a" ] } "host-wyckoff-coordinates" { "source-value" [ [ 0.0 0.0 0.0 ] ] } "host-wyckoff-species" { "source-value" [ "Cu" ] } } { "property-id" "tag:staff@noreply.openkim.org,2015-07-28:property/monovacancy-neutral-relaxed-formation-potential-energy-crystal-npt" "instance-id" 2 "relaxed-formation-potential-energy" { "source-value" 1.272285898158551 "source-unit" "eV" "source-std-uncert-value" 2.4952552071022538e-05 } "host-removed-atom" { "source-value" 1 } "host-cauchy-stress" { "source-value" [ 0 0 0 0 0 0 ] "source-unit" "GPa" } "host-short-name" { "source-value" [ "fcc" ] } "host-a" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "host-b" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "host-c" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "host-alpha" { "source-value" 90.0 "source-unit" "degree" } "host-beta" { "source-value" 90.0 "source-unit" "degree" } "host-gamma" { "source-value" 90.0 "source-unit" "degree" } "host-space-group" { "source-value" "Fm-3m" } "host-wyckoff-multiplicity-and-letter" { "source-value" [ "4a" ] } "host-wyckoff-coordinates" { "source-value" [ [ 0.0 0.0 0.0 ] ] } "host-wyckoff-species" { "source-value" [ "Cu" ] } "reservoir-cohesive-potential-energy" { "source-value" -14.16087332086177 "source-unit" "eV" } "reservoir-short-name" { "source-value" [ "fcc" ] } "reservoir-cauchy-stress" { "source-value" [ 0.0 0.0 0.0 0.0 0.0 0.0 ] "source-unit" "GPa" } "reservoir-a" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "reservoir-b" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "reservoir-c" { "source-value" 3.61492508649826 "source-unit" "angstrom" } "reservoir-alpha" { "source-value" 90.0 "source-unit" "degree" } "reservoir-beta" { "source-value" 90.0 "source-unit" "degree" } "reservoir-gamma" { "source-value" 90.0 "source-unit" "degree" } "reservoir-space-group" { "source-value" "Fm-3m" } "reservoir-wyckoff-multiplicity-and-letter" { "source-value" [ "4a" ] } "reservoir-wyckoff-coordinates" { "source-value" [ [ 0.0 0.0 0.0 ] ] } "reservoir-wyckoff-species" { "source-value" [ "Cu" ] } } ]