# generated using pymatgen
data_MgSi215
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   16.40618400
_cell_length_b   16.40618400
_cell_length_c   16.40618400
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgSi215
_chemical_formula_sum   'Mg1 Si215'
_cell_volume   4415.93562766
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Mg  Mg1  1  0.250000  0.250000  0.083333  1
  Si  Si2  1  0.250000  0.250000  0.416395  1
  Si  Si3  1  0.250000  0.250000  0.750272  1
  Si  Si4  1  0.250000  0.583061  0.083333  1
  Si  Si5  1  0.250110  0.584486  0.417820  1
  Si  Si6  1  0.249889  0.584486  0.748846  1
  Si  Si7  1  0.250000  0.916939  0.083333  1
  Si  Si8  1  0.249890  0.915514  0.417820  1
  Si  Si9  1  0.250111  0.915514  0.748846  1
  Si  Si10  1  0.583061  0.250000  0.083333  1
  Si  Si11  1  0.584486  0.250110  0.417820  1
  Si  Si12  1  0.584486  0.249889  0.748846  1
  Si  Si13  1  0.584486  0.584486  0.083445  1
  Si  Si14  1  0.583225  0.583225  0.416504  1
  Si  Si15  1  0.583172  0.583172  0.750161  1
  Si  Si16  1  0.584486  0.915514  0.083221  1
  Si  Si17  1  0.583172  0.916828  0.416506  1
  Si  Si18  1  0.583222  0.916779  0.750163  1
  Si  Si19  1  0.916939  0.250000  0.083333  1
  Si  Si20  1  0.915514  0.249890  0.417820  1
  Si  Si21  1  0.915514  0.250111  0.748846  1
  Si  Si22  1  0.915514  0.584486  0.083221  1
  Si  Si23  1  0.916828  0.583172  0.416506  1
  Si  Si24  1  0.916778  0.583222  0.750163  1
  Si  Si25  1  0.915514  0.915514  0.083445  1
  Si  Si26  1  0.916775  0.916775  0.416504  1
  Si  Si27  1  0.916828  0.916828  0.750161  1
  Si  Si28  1  -0.001499  -0.001499  0.000626  1
  Si  Si29  1  0.000160  0.000160  0.333166  1
  Si  Si30  1  0.000131  0.000131  0.666830  1
  Si  Si31  1  0.000563  0.333152  0.000181  1
  Si  Si32  1  -0.001499  0.332708  0.334832  1
  Si  Si33  1  0.000033  0.333345  0.666616  1
  Si  Si34  1  0.000034  0.666715  -0.000011  1
  Si  Si35  1  0.000131  0.666503  0.333204  1
  Si  Si36  1  0.000078  0.666558  0.666784  1
  Si  Si37  1  0.333152  0.000563  0.000181  1
  Si  Si38  1  0.332708  -0.001499  0.334832  1
  Si  Si39  1  0.333345  0.000033  0.666616  1
  Si  Si40  1  0.339297  0.339297  -0.005964  1
  Si  Si41  1  0.333154  0.333154  0.332770  1
  Si  Si42  1  0.333283  0.333283  0.666770  1
  Si  Si43  1  0.333283  0.666563  0.000051  1
  Si  Si44  1  0.333345  0.666717  0.333301  1
  Si  Si45  1  0.333448  0.667171  0.666159  1
  Si  Si46  1  0.666715  0.000034  -0.000011  1
  Si  Si47  1  0.666503  0.000131  0.333204  1
  Si  Si48  1  0.666558  0.000078  0.666784  1
  Si  Si49  1  0.666563  0.333283  0.000051  1
  Si  Si50  1  0.666717  0.333345  0.333301  1
  Si  Si51  1  0.667171  0.333448  0.666159  1
  Si  Si52  1  0.667169  0.667169  -0.000108  1
  Si  Si53  1  0.666588  0.666588  0.333212  1
  Si  Si54  1  0.666594  0.666594  0.666736  1
  Si  Si55  1  0.251051  0.081830  0.251503  1
  Si  Si56  1  0.250000  0.083450  0.583333  1
  Si  Si57  1  0.248949  0.081830  0.915163  1
  Si  Si58  1  0.248949  0.418170  0.251503  1
  Si  Si59  1  0.250000  0.416550  0.583333  1
  Si  Si60  1  0.251051  0.418170  0.915163  1
  Si  Si61  1  0.250000  0.750000  0.249884  1
  Si  Si62  1  0.250000  0.750000  0.583333  1
  Si  Si63  1  0.250000  0.750000  0.916783  1
  Si  Si64  1  0.583061  0.083430  0.249903  1
  Si  Si65  1  0.583199  0.083316  0.583291  1
  Si  Si66  1  0.583070  0.083606  0.916939  1
  Si  Si67  1  0.583070  0.416395  0.249728  1
  Si  Si68  1  0.583199  0.416682  0.583377  1
  Si  Si69  1  0.583061  0.416570  0.916764  1
  Si  Si70  1  0.583196  0.750060  0.250002  1
  Si  Si71  1  0.583188  0.750001  0.583334  1
  Si  Si72  1  0.583197  0.749938  0.916664  1
  Si  Si73  1  0.916930  0.083605  0.249728  1
  Si  Si74  1  0.916801  0.083318  0.583377  1
  Si  Si75  1  0.916939  0.083430  0.916764  1
  Si  Si76  1  0.916939  0.416570  0.249903  1
  Si  Si77  1  0.916801  0.416684  0.583291  1
  Si  Si78  1  0.916930  0.416394  0.916939  1
  Si  Si79  1  0.916804  0.749940  0.250002  1
  Si  Si80  1  0.916812  0.749999  0.583334  1
  Si  Si81  1  0.916803  0.750062  0.916664  1
  Si  Si82  1  0.000563  0.166848  0.166485  1
  Si  Si83  1  0.000033  0.166655  0.500050  1
  Si  Si84  1  -0.001499  0.167292  0.831834  1
  Si  Si85  1  -0.001499  0.501499  0.166041  1
  Si  Si86  1  0.000131  0.499869  0.499837  1
  Si  Si87  1  0.000162  0.499838  0.833503  1
  Si  Si88  1  0.000034  0.833285  0.166678  1
  Si  Si89  1  0.000078  0.833441  0.499884  1
  Si  Si90  1  0.000131  0.833497  0.833462  1
  Si  Si91  1  0.339297  0.160703  0.172630  1
  Si  Si92  1  0.333283  0.166717  0.499897  1
  Si  Si93  1  0.333154  0.166846  0.833896  1
  Si  Si94  1  0.333152  0.499437  0.166485  1
  Si  Si95  1  0.333345  0.499967  0.500050  1
  Si  Si96  1  0.332708  0.501499  0.831834  1
  Si  Si97  1  0.333283  0.833437  0.166616  1
  Si  Si98  1  0.333448  0.832829  0.500507  1
  Si  Si99  1  0.333345  0.833283  0.833366  1
  Si  Si100  1  0.666563  0.166717  0.166616  1
  Si  Si101  1  0.667171  0.166552  0.500507  1
  Si  Si102  1  0.666717  0.166655  0.833366  1
  Si  Si103  1  0.666715  0.499966  0.166678  1
  Si  Si104  1  0.666559  0.499922  0.499884  1
  Si  Si105  1  0.666503  0.499869  0.833462  1
  Si  Si106  1  0.667169  0.832831  0.166775  1
  Si  Si107  1  0.666594  0.833406  0.499931  1
  Si  Si108  1  0.666587  0.833413  0.833454  1
  Si  Si109  1  0.081830  0.251051  0.251503  1
  Si  Si110  1  0.083450  0.250000  0.583333  1
  Si  Si111  1  0.081830  0.248949  0.915163  1
  Si  Si112  1  0.083430  0.583061  0.249903  1
  Si  Si113  1  0.083316  0.583199  0.583291  1
  Si  Si114  1  0.083606  0.583070  0.916939  1
  Si  Si115  1  0.083605  0.916930  0.249728  1
  Si  Si116  1  0.083318  0.916801  0.583377  1
  Si  Si117  1  0.083430  0.916939  0.916764  1
  Si  Si118  1  0.418170  0.248949  0.251503  1
  Si  Si119  1  0.416550  0.250000  0.583333  1
  Si  Si120  1  0.418170  0.251051  0.915163  1
  Si  Si121  1  0.416395  0.583070  0.249728  1
  Si  Si122  1  0.416682  0.583199  0.583377  1
  Si  Si123  1  0.416570  0.583061  0.916764  1
  Si  Si124  1  0.416570  0.916939  0.249903  1
  Si  Si125  1  0.416684  0.916801  0.583291  1
  Si  Si126  1  0.416394  0.916930  0.916939  1
  Si  Si127  1  0.750000  0.250000  0.249884  1
  Si  Si128  1  0.750000  0.250000  0.583333  1
  Si  Si129  1  0.750000  0.250000  0.916783  1
  Si  Si130  1  0.750060  0.583196  0.250002  1
  Si  Si131  1  0.750001  0.583188  0.583334  1
  Si  Si132  1  0.749938  0.583197  0.916664  1
  Si  Si133  1  0.749940  0.916804  0.250002  1
  Si  Si134  1  0.749999  0.916812  0.583334  1
  Si  Si135  1  0.750062  0.916803  0.916664  1
  Si  Si136  1  0.166848  0.000563  0.166485  1
  Si  Si137  1  0.166655  0.000033  0.500050  1
  Si  Si138  1  0.167292  -0.001499  0.831834  1
  Si  Si139  1  0.160703  0.339297  0.172630  1
  Si  Si140  1  0.166717  0.333283  0.499897  1
  Si  Si141  1  0.166846  0.333154  0.833896  1
  Si  Si142  1  0.166717  0.666563  0.166616  1
  Si  Si143  1  0.166552  0.667171  0.500507  1
  Si  Si144  1  0.166655  0.666717  0.833366  1
  Si  Si145  1  0.501499  -0.001499  0.166041  1
  Si  Si146  1  0.499869  0.000131  0.499837  1
  Si  Si147  1  0.499838  0.000162  0.833503  1
  Si  Si148  1  0.499437  0.333152  0.166485  1
  Si  Si149  1  0.499967  0.333345  0.500050  1
  Si  Si150  1  0.501499  0.332708  0.831834  1
  Si  Si151  1  0.499966  0.666715  0.166678  1
  Si  Si152  1  0.499922  0.666559  0.499884  1
  Si  Si153  1  0.499869  0.666503  0.833462  1
  Si  Si154  1  0.833285  0.000034  0.166678  1
  Si  Si155  1  0.833441  0.000078  0.499884  1
  Si  Si156  1  0.833497  0.000131  0.833462  1
  Si  Si157  1  0.833437  0.333283  0.166616  1
  Si  Si158  1  0.832829  0.333448  0.500507  1
  Si  Si159  1  0.833283  0.333345  0.833366  1
  Si  Si160  1  0.832831  0.667169  0.166775  1
  Si  Si161  1  0.833406  0.666594  0.499931  1
  Si  Si162  1  0.833413  0.666587  0.833454  1
  Si  Si163  1  0.081830  0.081830  0.082283  1
  Si  Si164  1  0.083601  0.083601  0.416403  1
  Si  Si165  1  0.083430  0.083430  0.750273  1
  Si  Si166  1  0.081830  0.418170  0.084384  1
  Si  Si167  1  0.083430  0.416570  0.416394  1
  Si  Si168  1  0.083601  0.416399  0.750263  1
  Si  Si169  1  0.083449  0.750000  0.083333  1
  Si  Si170  1  0.083322  0.749948  0.416534  1
  Si  Si171  1  0.083322  0.750051  0.750132  1
  Si  Si172  1  0.418170  0.081830  0.084384  1
  Si  Si173  1  0.416570  0.083430  0.416394  1
  Si  Si174  1  0.416399  0.083601  0.750263  1
  Si  Si175  1  0.418170  0.418170  0.082283  1
  Si  Si176  1  0.416399  0.416399  0.416403  1
  Si  Si177  1  0.416570  0.416570  0.750273  1
  Si  Si178  1  0.416551  0.750000  0.083333  1
  Si  Si179  1  0.416678  0.750052  0.416534  1
  Si  Si180  1  0.416678  0.749949  0.750132  1
  Si  Si181  1  0.750000  0.083449  0.083333  1
  Si  Si182  1  0.749948  0.083322  0.416534  1
  Si  Si183  1  0.750051  0.083322  0.750132  1
  Si  Si184  1  0.750000  0.416551  0.083333  1
  Si  Si185  1  0.750052  0.416678  0.416534  1
  Si  Si186  1  0.749949  0.416678  0.750132  1
  Si  Si187  1  0.750000  0.750000  0.083333  1
  Si  Si188  1  0.750000  0.750000  0.416531  1
  Si  Si189  1  0.750000  0.750000  0.750136  1
  Si  Si190  1  0.160703  0.160703  -0.005964  1
  Si  Si191  1  0.166846  0.166846  0.332770  1
  Si  Si192  1  0.166717  0.166717  0.666770  1
  Si  Si193  1  0.166848  0.499437  0.000181  1
  Si  Si194  1  0.167292  0.501499  0.334832  1
  Si  Si195  1  0.166655  0.499967  0.666616  1
  Si  Si196  1  0.166717  0.833437  0.000051  1
  Si  Si197  1  0.166655  0.833283  0.333301  1
  Si  Si198  1  0.166552  0.832829  0.666159  1
  Si  Si199  1  0.499437  0.166848  0.000181  1
  Si  Si200  1  0.501499  0.167292  0.334832  1
  Si  Si201  1  0.499967  0.166655  0.666616  1
  Si  Si202  1  0.501499  0.501499  0.000626  1
  Si  Si203  1  0.499840  0.499840  0.333166  1
  Si  Si204  1  0.499869  0.499869  0.666830  1
  Si  Si205  1  0.499966  0.833285  -0.000011  1
  Si  Si206  1  0.499869  0.833497  0.333204  1
  Si  Si207  1  0.499922  0.833442  0.666784  1
  Si  Si208  1  0.833437  0.166717  0.000051  1
  Si  Si209  1  0.833283  0.166655  0.333301  1
  Si  Si210  1  0.832829  0.166552  0.666159  1
  Si  Si211  1  0.833285  0.499966  -0.000011  1
  Si  Si212  1  0.833497  0.499869  0.333204  1
  Si  Si213  1  0.833442  0.499922  0.666784  1
  Si  Si214  1  0.832831  0.832831  -0.000108  1
  Si  Si215  1  0.833412  0.833412  0.333212  1
  Si  Si216  1  0.833406  0.833406  0.666736  1