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{
"count": 146323,
"next": "https://simmate.org/third-parties/MatprojStructure/?format=api&ordering=-chemical_system&page=141",
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"results": [
{
"id": "mp-13051",
"created_at": "2022-09-04T14:41:24.458634Z",
"structure_string": "Sr4 Si2\n1.0\n2.706954 -4.688582 0.000000\n2.706954 4.688582 0.000000\n0.000000 0.000000 7.550654\nSr Si\n4 2\ndirect\n0.333333 0.666667 0.750000 Sr\n0.666667 0.333333 0.250000 Sr\n0.000000 0.000000 0.500000 Sr\n0.000000 0.000000 0.000000 Sr\n0.666667 0.333333 0.750000 Si\n0.333333 0.666667 0.250000 Si\n",
"nsites": 6,
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"elements": [
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"density": 3.523173129815888,
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"volume": 191.6624154110882,
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},
{
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"structure_string": "Sr10 Si10\n1.0\n-2.409463 6.483237 9.007551\n2.409463 -6.483237 9.007551\n2.409463 6.483237 -9.007551\nSr Si\n10 10\ndirect\n0.645961 0.811702 0.834258 Sr\n0.022556 0.188298 0.834258 Sr\n0.354039 0.188298 0.165742 Sr\n0.708650 0.000000 0.708650 Sr\n0.977444 0.811702 0.165742 Sr\n0.000000 0.000000 0.000000 Sr\n0.331047 0.831047 0.500000 Sr\n0.291350 0.000000 0.291350 Sr\n0.500000 0.500000 0.000000 Sr\n0.668953 0.168953 0.500000 Sr\n0.551026 0.371099 0.179926 Si\n0.223015 0.568073 0.654941 Si\n0.913132 0.568073 0.345059 Si\n0.141991 0.641991 0.500000 Si\n0.808827 0.628901 0.179926 Si\n0.086868 0.431927 0.654941 Si\n0.191173 0.371099 0.820074 Si\n0.448974 0.628901 0.820074 Si\n0.858009 0.358009 0.500000 Si\n0.776985 0.431927 0.345059 Si\n",
"nsites": 20,
"nelements": 2,
"elements": [
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"density": 3.4136911034035418,
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"volume_molar": 16.94727150981135,
"formula_full": "Sr10 Si10",
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"energy": -78.77608736,
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"updated_at": "2021-11-28T01:35:16.462000Z",
"spacegroup": 71
},
{
"id": "mp-13052",
"created_at": "2022-09-04T14:41:30.875967Z",
"structure_string": "Sr10 Si6\n1.0\n-6.282499 6.282499 3.251407\n6.282499 -6.282499 3.251407\n6.282499 6.282499 -3.251407\nSr Si\n10 6\ndirect\n0.293568 0.415610 0.709178 Sr\n0.706432 0.584390 0.290822 Sr\n0.415610 0.706432 0.122042 Sr\n0.584390 0.293568 0.877958 Sr\n0.915610 0.793568 0.709178 Sr\n0.206432 0.915610 0.122042 Sr\n0.793568 0.084390 0.877958 Sr\n0.084390 0.206432 0.290822 Sr\n0.750000 0.250000 0.500000 Sr\n0.250000 0.750000 0.500000 Sr\n0.845746 0.345746 0.191492 Si\n0.654254 0.845746 0.500000 Si\n0.345746 0.154254 0.500000 Si\n0.154254 0.654254 0.808508 Si\n0.750000 0.750000 0.000000 Si\n0.250000 0.250000 0.000000 Si\n",
"nsites": 16,
"nelements": 2,
"elements": [
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],
"chemical_system": "Si-Sr",
"density": 3.3794802474158203,
"density_atomic": 0.031169066723757907,
"volume": 513.3294539038721,
"volume_molar": 19.32088892289406,
"formula_full": "Sr10 Si6",
"formula_reduced": "Sr5Si3",
"formula_anonymous": "A3B5",
"energy": -53.61931099,
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"energy_uncorrected": -54.04531099,
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"is_theoretical": true,
"updated_at": "2021-11-28T01:35:20.107000Z",
"spacegroup": 140
},
{
"id": "mp-13053",
"created_at": "2022-09-04T14:48:18.765738Z",
"structure_string": "Sr4 Si4\n1.0\n4.058661 0.000000 0.000000\n0.000000 6.138727 0.000000\n0.000000 0.000000 8.906592\nSr Si\n4 4\ndirect\n0.250000 0.392006 0.680546 Sr\n0.750000 0.607994 0.319454 Sr\n0.750000 0.892006 0.819454 Sr\n0.250000 0.107994 0.180546 Sr\n0.250000 0.892916 0.531929 Si\n0.750000 0.107084 0.468071 Si\n0.750000 0.392916 0.968071 Si\n0.250000 0.607084 0.031929 Si\n",
"nsites": 8,
"nelements": 2,
"elements": [
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],
"chemical_system": "Si-Sr",
"density": 3.4633025734647176,
"density_atomic": 0.03605100120406088,
"volume": 221.9078453526794,
"volume_molar": 16.704503505776838,
"formula_full": "Sr4 Si4",
"formula_reduced": "SrSi",
"formula_anonymous": "AB",
"energy": -31.85124315,
"energy_per_atom": -3.98140539375,
"energy_above_hull": null,
"is_stable": null,
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"band_gap": 0.0,
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"total_magnetization": 0.0012028,
"is_theoretical": true,
"updated_at": "2021-11-28T01:38:49.030000Z",
"spacegroup": 62
},
{
"id": "mp-14172",
"created_at": "2022-09-04T14:45:53.813878Z",
"structure_string": "Sr4 Si8\n1.0\n6.563943 0.000000 0.000000\n0.000000 6.563943 0.000000\n0.000000 0.000000 6.563943\nSr Si\n4 8\ndirect\n0.875000 0.125000 0.625000 Sr\n0.125000 0.625000 0.875000 Sr\n0.625000 0.875000 0.125000 Sr\n0.375000 0.375000 0.375000 Sr\n0.672066 0.672066 0.672066 Si\n0.922066 0.577934 0.422066 Si\n0.577934 0.422066 0.922066 Si\n0.422066 0.922066 0.577934 Si\n0.077934 0.077934 0.077934 Si\n0.327934 0.172066 0.827934 Si\n0.827934 0.327934 0.172066 Si\n0.172066 0.827934 0.327934 Si\n",
"nsites": 12,
"nelements": 2,
"elements": [
"Sr",
"Si"
],
"chemical_system": "Si-Sr",
"density": 3.3771191977228887,
"density_atomic": 0.04243134934525883,
"volume": 282.8097664855631,
"volume_molar": 14.192668517323263,
"formula_full": "Sr4 Si8",
"formula_reduced": "SrSi2",
"formula_anonymous": "AB2",
"energy": -53.943562410000006,
"energy_per_atom": -4.4952968675000005,
"energy_above_hull": null,
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"energy_uncorrected": -54.51156241000001,
"band_gap": 0.0,
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"is_theoretical": false,
"updated_at": "2021-11-28T01:37:09.060000Z",
"spacegroup": 213
},
{
"id": "mp-746",
"created_at": "2022-09-04T14:41:12.978101Z",
"structure_string": "Sr10 Si6\n1.0\n-4.039017 4.039017 7.936744\n4.039017 -4.039017 7.936744\n4.039017 4.039017 -7.936744\nSr Si\n10 6\ndirect\n0.038975 0.178971 0.500000 Sr\n0.538975 0.038975 0.860004 Sr\n0.178971 0.678971 0.139996 Sr\n0.461025 0.961025 0.139996 Sr\n0.678971 0.538975 0.500000 Sr\n0.961025 0.821029 0.500000 Sr\n0.321029 0.461025 0.500000 Sr\n0.821029 0.321029 0.860004 Sr\n0.500000 0.500000 0.000000 Sr\n0.000000 0.000000 0.000000 Sr\n0.107670 0.607670 0.715340 Si\n0.607670 0.892330 0.500000 Si\n0.392330 0.107670 0.500000 Si\n0.892330 0.392330 0.284660 Si\n0.750000 0.750000 0.000000 Si\n0.250000 0.250000 0.000000 Si\n",
"nsites": 16,
"nelements": 2,
"elements": [
"Sr",
"Si"
],
"chemical_system": "Si-Sr",
"density": 3.3495955470332537,
"density_atomic": 0.030893439067417556,
"volume": 517.9093193568971,
"volume_molar": 19.493267638018917,
"formula_full": "Sr10 Si6",
"formula_reduced": "Sr5Si3",
"formula_anonymous": "A3B5",
"energy": -55.29290854,
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"energy_uncorrected": -55.71890854,
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"updated_at": "2021-11-28T01:35:21.903000Z",
"spacegroup": 140
},
{
"id": "mp-1727",
"created_at": "2022-09-04T14:41:25.393674Z",
"structure_string": "Sr2 Si4\n1.0\n-2.218838 2.218838 6.983041\n2.218838 -2.218838 6.983041\n2.218838 2.218838 -6.983041\nSr Si\n2 4\ndirect\n0.250000 0.750000 0.500000 Sr\n0.500000 0.500000 0.000000 Sr\n0.833183 0.333183 0.500000 Si\n0.083183 0.083183 0.000000 Si\n0.666817 0.166817 0.500000 Si\n0.916817 0.916817 0.000000 Si\n",
"nsites": 6,
"nelements": 2,
"elements": [
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],
"chemical_system": "Si-Sr",
"density": 3.472602102241727,
"density_atomic": 0.043631031157162485,
"volume": 137.5168049177549,
"volume_molar": 13.802425934669673,
"formula_full": "Sr2 Si4",
"formula_reduced": "SrSi2",
"formula_anonymous": "AB2",
"energy": -26.99032404,
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"energy_above_hull": null,
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"formation_energy": null,
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"energy_uncorrected": -27.27432404,
"band_gap": 0.0,
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"total_magnetization": 0.0028294,
"is_theoretical": false,
"updated_at": "2021-11-28T01:35:22.476000Z",
"spacegroup": 141
},
{
"id": "mp-1106",
"created_at": "2022-09-04T14:40:25.264014Z",
"structure_string": "Sr8 Si4\n1.0\n5.149632 0.000000 0.000000\n0.000000 8.131755 0.000000\n0.000000 0.000000 9.617164\nSr Si\n8 4\ndirect\n0.750000 0.981182 0.826700 Sr\n0.250000 0.018818 0.173300 Sr\n0.750000 0.481182 0.673300 Sr\n0.250000 0.518818 0.326700 Sr\n0.250000 0.650486 0.922147 Sr\n0.750000 0.349514 0.077853 Sr\n0.250000 0.150486 0.577853 Sr\n0.750000 0.849514 0.422147 Sr\n0.250000 0.252304 0.897544 Si\n0.750000 0.747696 0.102456 Si\n0.250000 0.752304 0.602456 Si\n0.750000 0.247696 0.397544 Si\n",
"nsites": 12,
"nelements": 2,
"elements": [
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],
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"density": 3.353462354969836,
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"volume": 402.7239912034321,
"volume_molar": 20.210504687133916,
"formula_full": "Sr8 Si4",
"formula_reduced": "Sr2Si",
"formula_anonymous": "AB2",
"energy": -39.29462876,
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"energy_above_hull": null,
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"updated_at": "2021-11-28T01:34:46.573000Z",
"spacegroup": 62
},
{
"id": "mp-1218710",
"created_at": "2022-09-04T14:42:23.789997Z",
"structure_string": "Sr2 Si3\n1.0\n-1.963891 2.348614 7.482361\n1.963891 -2.348614 7.482361\n1.963891 2.348614 -7.482361\nSr Si\n2 3\ndirect\n0.746758 0.246758 0.500000 Sr\n0.004835 0.004835 0.000000 Sr\n0.577874 0.577874 0.000000 Si\n0.331899 0.831899 0.500000 Si\n0.423634 0.423634 0.000000 Si\n",
"nsites": 5,
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],
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"volume": 138.04722287285006,
"volume_molar": 16.626796153347893,
"formula_full": "Sr2 Si3",
"formula_reduced": "Sr2Si3",
"formula_anonymous": "A2B3",
"energy": -21.01367082,
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"is_theoretical": true,
"updated_at": "2021-11-28T01:35:45.979000Z",
"spacegroup": 44
},
{
"id": "mp-496",
"created_at": "2022-09-04T14:39:25.515847Z",
"structure_string": "Sr4 Si8\n1.0\n6.563799 0.000000 0.000000\n0.000000 6.563799 0.000000\n0.000000 0.000000 6.563799\nSr Si\n4 8\ndirect\n0.625000 0.375000 0.875000 Sr\n0.375000 0.875000 0.625000 Sr\n0.875000 0.625000 0.375000 Sr\n0.125000 0.125000 0.125000 Sr\n0.827907 0.827907 0.827907 Si\n0.577907 0.922093 0.077907 Si\n0.922093 0.077907 0.577907 Si\n0.077907 0.577907 0.922093 Si\n0.422093 0.422093 0.422093 Si\n0.172093 0.327907 0.672093 Si\n0.672093 0.172093 0.327907 Si\n0.327907 0.672093 0.172093 Si\n",
"nsites": 12,
"nelements": 2,
"elements": [
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],
"chemical_system": "Si-Sr",
"density": 3.377341469535308,
"density_atomic": 0.04243414204885328,
"volume": 282.7911540236804,
"volume_molar": 14.191734460112032,
"formula_full": "Sr4 Si8",
"formula_reduced": "SrSi2",
"formula_anonymous": "AB2",
"energy": -53.94345151,
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"energy_above_hull": null,
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"is_theoretical": false,
"updated_at": "2021-11-28T01:34:32.069000Z",
"spacegroup": 212
},
{
"id": "mp-1009",
"created_at": "2022-09-04T14:46:52.660771Z",
"structure_string": "Sr2 Si12\n1.0\n2.244513 -5.165820 0.000000\n2.244513 5.165820 0.000000\n0.000000 0.000000 11.709165\nSr Si\n2 12\ndirect\n0.275629 0.724371 0.250000 Sr\n0.724371 0.275629 0.750000 Sr\n0.977530 0.022470 0.100708 Si\n0.022470 0.977530 0.899292 Si\n0.753934 0.246066 0.462241 Si\n0.246066 0.753934 0.537759 Si\n0.246066 0.753934 0.962241 Si\n0.753934 0.246066 0.037759 Si\n0.440607 0.559393 0.647324 Si\n0.559393 0.440607 0.352676 Si\n0.559393 0.440607 0.147324 Si\n0.440607 0.559393 0.852676 Si\n0.977530 0.022470 0.399292 Si\n0.022470 0.977530 0.600708 Si\n",
"nsites": 14,
"nelements": 2,
"elements": [
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],
"chemical_system": "Si-Sr",
"density": 3.132761358786096,
"density_atomic": 0.05155974011014931,
"volume": 271.529685178614,
"volume_molar": 11.679928461886425,
"formula_full": "Sr2 Si12",
"formula_reduced": "SrSi6",
"formula_anonymous": "AB6",
"energy": -68.80253230999999,
"energy_per_atom": -4.914466593571428,
"energy_above_hull": null,
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"updated_at": "2021-11-28T01:37:38.457000Z",
"spacegroup": 63
},
{
"id": "mp-6907",
"created_at": "2022-09-04T14:46:08.037647Z",
"structure_string": "Sr1 Si1\n1.0\n3.803386 0.000000 0.000000\n0.000000 3.803386 0.000000\n0.000000 0.000000 3.803386\nSr Si\n1 1\ndirect\n0.000000 0.000000 0.000000 Sr\n0.500000 0.500000 0.500000 Si\n",
"nsites": 2,
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"elements": [
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],
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"density": 3.4921419616133385,
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"volume": 55.01881225977488,
"volume_molar": 16.566551593818904,
"formula_full": "Sr1 Si1",
"formula_reduced": "SrSi",
"formula_anonymous": "AB",
"energy": -7.23165691,
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"energy_above_hull": null,
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"band_gap": 0.0,
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"is_theoretical": true,
"updated_at": "2021-11-28T01:37:27.496000Z",
"spacegroup": 221
}
]
}