# 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  0.250296  0.249909  0.083359  1
  Si  Si2  1  0.250042  0.250069  0.416812  1
  Si  Si3  1  0.249857  0.250009  0.749852  1
  Si  Si4  1  0.249896  0.583449  0.083336  1
  Si  Si5  1  0.250220  0.584283  0.417678  1
  Si  Si6  1  0.249861  0.584310  0.749010  1
  Si  Si7  1  0.250061  0.916707  0.083434  1
  Si  Si8  1  0.249772  0.915630  0.417766  1
  Si  Si9  1  0.250277  0.915578  0.748824  1
  Si  Si10  1  0.583501  0.249957  0.083223  1
  Si  Si11  1  0.584524  0.250177  0.417720  1
  Si  Si12  1  0.584434  0.249745  0.748936  1
  Si  Si13  1  0.584368  0.584435  0.083572  1
  Si  Si14  1  0.583191  0.583228  0.416459  1
  Si  Si15  1  0.583105  0.583082  0.750060  1
  Si  Si16  1  0.584395  0.915551  0.083105  1
  Si  Si17  1  0.583265  0.916840  0.416422  1
  Si  Si18  1  0.583116  0.916756  0.750015  1
  Si  Si19  1  0.916513  0.250019  0.083389  1
  Si  Si20  1  0.915569  0.249812  0.417765  1
  Si  Si21  1  0.915666  0.250052  0.748964  1
  Si  Si22  1  0.915615  0.584322  0.083050  1
  Si  Si23  1  0.916895  0.583227  0.416672  1
  Si  Si24  1  0.916686  0.583340  0.750168  1
  Si  Si25  1  0.915673  0.915539  0.083538  1
  Si  Si26  1  0.916811  0.916591  0.416534  1
  Si  Si27  1  0.916827  0.916658  0.750260  1
  Si  Si28  1  0.998647  0.998407  0.000324  1
  Si  Si29  1  0.000066  0.000149  0.333180  1
  Si  Si30  1  0.000040  0.999896  0.666788  1
  Si  Si31  1  0.000039  0.333100  0.000122  1
  Si  Si32  1  0.998566  0.333044  0.334897  1
  Si  Si33  1  0.999959  0.333322  0.666660  1
  Si  Si34  1  0.999963  0.666774  0.999946  1
  Si  Si35  1  0.000146  0.666550  0.333373  1
  Si  Si36  1  0.000144  0.666528  0.666835  1
  Si  Si37  1  0.333215  0.000085  0.000090  1
  Si  Si38  1  0.333183  0.998504  0.334970  1
  Si  Si39  1  0.333300  0.000050  0.666439  1
  Si  Si40  1  0.340250  0.340333  0.993097  1
  Si  Si41  1  0.333236  0.333129  0.333184  1
  Si  Si42  1  0.333392  0.333224  0.666621  1
  Si  Si43  1  0.333314  0.666777  0.000112  1
  Si  Si44  1  0.333230  0.666791  0.333301  1
  Si  Si45  1  0.333611  0.666912  0.666160  1
  Si  Si46  1  0.666662  0.999952  0.999931  1
  Si  Si47  1  0.666753  0.000070  0.333222  1
  Si  Si48  1  0.666681  0.999895  0.666787  1
  Si  Si49  1  0.666858  0.333265  0.999932  1
  Si  Si50  1  0.666773  0.333405  0.333324  1
  Si  Si51  1  0.667221  0.333511  0.666260  1
  Si  Si52  1  0.667064  0.667131  0.999807  1
  Si  Si53  1  0.666614  0.666561  0.333271  1
  Si  Si54  1  0.666457  0.666587  0.666629  1
  Si  Si55  1  0.250443  0.081707  0.251817  1
  Si  Si56  1  0.249905  0.083415  0.583238  1
  Si  Si57  1  0.249580  0.081643  0.914977  1
  Si  Si58  1  0.249672  0.418272  0.251553  1
  Si  Si59  1  0.250127  0.416544  0.583349  1
  Si  Si60  1  0.250244  0.418275  0.915048  1
  Si  Si61  1  0.249845  0.750045  0.249996  1
  Si  Si62  1  0.250109  0.749816  0.583334  1
  Si  Si63  1  0.250137  0.750080  0.916711  1
  Si  Si64  1  0.583281  0.083420  0.249836  1
  Si  Si65  1  0.583430  0.083181  0.583338  1
  Si  Si66  1  0.583178  0.083455  0.916734  1
  Si  Si67  1  0.583383  0.416650  0.249785  1
  Si  Si68  1  0.583400  0.416616  0.583326  1
  Si  Si69  1  0.583300  0.416449  0.916732  1
  Si  Si70  1  0.583349  0.750062  0.249969  1
  Si  Si71  1  0.583101  0.749986  0.583228  1
  Si  Si72  1  0.583134  0.749881  0.916592  1
  Si  Si73  1  0.916719  0.083536  0.249886  1
  Si  Si74  1  0.916663  0.083060  0.583409  1
  Si  Si75  1  0.916823  0.083301  0.916915  1
  Si  Si76  1  0.916800  0.416482  0.249950  1
  Si  Si77  1  0.916781  0.416749  0.583404  1
  Si  Si78  1  0.916782  0.416483  0.916678  1
  Si  Si79  1  0.916876  0.749874  0.250039  1
  Si  Si80  1  0.916847  0.749938  0.583441  1
  Si  Si81  1  0.916651  0.750094  0.916685  1
  Si  Si82  1  0.000113  0.166875  0.166525  1
  Si  Si83  1  0.999825  0.166578  0.500153  1
  Si  Si84  1  0.998499  0.166760  0.831886  1
  Si  Si85  1  0.998445  0.501427  0.166404  1
  Si  Si86  1  0.000156  0.499940  0.500022  1
  Si  Si87  1  0.000122  0.499903  0.833435  1
  Si  Si88  1  0.000070  0.833221  0.166683  1
  Si  Si89  1  0.000085  0.833331  0.499966  1
  Si  Si90  1  0.000140  0.833319  0.833468  1
  Si  Si91  1  0.340299  0.159754  0.173612  1
  Si  Si92  1  0.333361  0.166749  0.500106  1
  Si  Si93  1  0.333057  0.166847  0.833333  1
  Si  Si94  1  0.333178  0.499980  0.166450  1
  Si  Si95  1  0.333388  0.499838  0.499936  1
  Si  Si96  1  0.333100  0.501427  0.831925  1
  Si  Si97  1  0.333287  0.833344  0.166747  1
  Si  Si98  1  0.333493  0.832864  0.500442  1
  Si  Si99  1  0.333407  0.833248  0.833214  1
  Si  Si100  1  0.666758  0.166600  0.166554  1
  Si  Si101  1  0.667228  0.166431  0.500488  1
  Si  Si102  1  0.666766  0.166584  0.833326  1
  Si  Si103  1  0.666861  0.500100  0.166638  1
  Si  Si104  1  0.666576  0.499982  0.499820  1
  Si  Si105  1  0.666613  0.499898  0.833299  1
  Si  Si106  1  0.667217  0.832887  0.166837  1
  Si  Si107  1  0.666549  0.833355  0.499927  1
  Si  Si108  1  0.666399  0.833345  0.833301  1
  Si  Si109  1  0.081804  0.250399  0.251634  1
  Si  Si110  1  0.083179  0.249941  0.583352  1
  Si  Si111  1  0.081681  0.249424  0.915097  1
  Si  Si112  1  0.083415  0.583111  0.249904  1
  Si  Si113  1  0.083427  0.583147  0.583447  1
  Si  Si114  1  0.083444  0.583336  0.916733  1
  Si  Si115  1  0.083444  0.916774  0.249929  1
  Si  Si116  1  0.083362  0.916622  0.583444  1
  Si  Si117  1  0.083575  0.916710  0.916809  1
  Si  Si118  1  0.418456  0.249590  0.251611  1
  Si  Si119  1  0.416831  0.249979  0.583327  1
  Si  Si120  1  0.418214  0.250348  0.914995  1
  Si  Si121  1  0.416483  0.583378  0.249851  1
  Si  Si122  1  0.416711  0.583089  0.583202  1
  Si  Si123  1  0.416509  0.583206  0.916883  1
  Si  Si124  1  0.416578  0.916796  0.249935  1
  Si  Si125  1  0.416684  0.916801  0.583160  1
  Si  Si126  1  0.416576  0.916780  0.916669  1
  Si  Si127  1  0.749894  0.249981  0.249932  1
  Si  Si128  1  0.750081  0.249883  0.583471  1
  Si  Si129  1  0.750103  0.249866  0.916630  1
  Si  Si130  1  0.750170  0.583208  0.250118  1
  Si  Si131  1  0.749918  0.583310  0.583220  1
  Si  Si132  1  0.749848  0.583213  0.916640  1
  Si  Si133  1  0.750127  0.916729  0.249962  1
  Si  Si134  1  0.750024  0.916509  0.583396  1
  Si  Si135  1  0.749841  0.916565  0.916645  1
  Si  Si136  1  0.166876  0.000142  0.166637  1
  Si  Si137  1  0.166559  0.999991  0.500070  1
  Si  Si138  1  0.166999  0.998402  0.831763  1
  Si  Si139  1  0.159973  0.340098  0.173331  1
  Si  Si140  1  0.166667  0.333263  0.500172  1
  Si  Si141  1  0.166687  0.333104  0.833458  1
  Si  Si142  1  0.166586  0.666695  0.166696  1
  Si  Si143  1  0.166555  0.666960  0.500497  1
  Si  Si144  1  0.166787  0.666764  0.833386  1
  Si  Si145  1  0.501557  0.998447  0.166399  1
  Si  Si146  1  0.500061  0.000081  0.499872  1
  Si  Si147  1  0.499780  0.000226  0.833367  1
  Si  Si148  1  0.500075  0.333187  0.166450  1
  Si  Si149  1  0.500130  0.333305  0.500037  1
  Si  Si150  1  0.501523  0.333015  0.831831  1
  Si  Si151  1  0.499982  0.666838  0.166681  1
  Si  Si152  1  0.499866  0.666561  0.499801  1
  Si  Si153  1  0.499862  0.666497  0.833330  1
  Si  Si154  1  0.833368  0.999988  0.166639  1
  Si  Si155  1  0.833421  0.999786  0.499926  1
  Si  Si156  1  0.833421  0.999862  0.833550  1
  Si  Si157  1  0.833206  0.333370  0.166689  1
  Si  Si158  1  0.832908  0.333529  0.500606  1
  Si  Si159  1  0.833327  0.333243  0.833267  1
  Si  Si160  1  0.833002  0.667016  0.166909  1
  Si  Si161  1  0.833389  0.666705  0.499980  1
  Si  Si162  1  0.833283  0.666624  0.833448  1
  Si  Si163  1  0.081779  0.081710  0.082997  1
  Si  Si164  1  0.083289  0.083470  0.416665  1
  Si  Si165  1  0.083457  0.083323  0.750125  1
  Si  Si166  1  0.081646  0.418243  0.083697  1
  Si  Si167  1  0.083523  0.416510  0.416620  1
  Si  Si168  1  0.083428  0.416517  0.750096  1
  Si  Si169  1  0.083396  0.749957  0.083275  1
  Si  Si170  1  0.083424  0.749872  0.416721  1
  Si  Si171  1  0.083427  0.749983  0.750141  1
  Si  Si172  1  0.418331  0.081631  0.083716  1
  Si  Si173  1  0.416631  0.083573  0.416628  1
  Si  Si174  1  0.416467  0.083518  0.749961  1
  Si  Si175  1  0.418400  0.418346  0.082945  1
  Si  Si176  1  0.416693  0.416454  0.416484  1
  Si  Si177  1  0.416549  0.416473  0.750135  1
  Si  Si178  1  0.416617  0.750151  0.083394  1
  Si  Si179  1  0.416629  0.750055  0.416508  1
  Si  Si180  1  0.416675  0.749862  0.749959  1
  Si  Si181  1  0.750001  0.083179  0.083282  1
  Si  Si182  1  0.750108  0.083223  0.416655  1
  Si  Si183  1  0.750073  0.083132  0.750213  1
  Si  Si184  1  0.750055  0.416704  0.083221  1
  Si  Si185  1  0.750130  0.416656  0.416638  1
  Si  Si186  1  0.750110  0.416688  0.750063  1
  Si  Si187  1  0.750037  0.749850  0.083413  1
  Si  Si188  1  0.749953  0.750014  0.416542  1
  Si  Si189  1  0.749816  0.749886  0.750077  1
  Si  Si190  1  0.160042  0.159909  0.993324  1
  Si  Si191  1  0.166812  0.166833  0.333394  1
  Si  Si192  1  0.166556  0.166644  0.666580  1
  Si  Si193  1  0.166694  0.499955  0.000157  1
  Si  Si194  1  0.166953  0.501397  0.334792  1
  Si  Si195  1  0.166787  0.499883  0.666673  1
  Si  Si196  1  0.166800  0.833293  0.000081  1
  Si  Si197  1  0.166605  0.833289  0.333404  1
  Si  Si198  1  0.166563  0.832746  0.666177  1
  Si  Si199  1  0.499882  0.166819  0.000127  1
  Si  Si200  1  0.501624  0.166929  0.334839  1
  Si  Si201  1  0.500111  0.166587  0.666550  1
  Si  Si202  1  0.501621  0.501503  0.000205  1
  Si  Si203  1  0.499826  0.499883  0.333050  1
  Si  Si204  1  0.499937  0.499807  0.666635  1
  Si  Si205  1  0.499973  0.833279  0.999934  1
  Si  Si206  1  0.500011  0.833373  0.333262  1
  Si  Si207  1  0.499850  0.833420  0.666640  1
  Si  Si208  1  0.833302  0.166588  0.000060  1
  Si  Si209  1  0.833230  0.166710  0.333343  1
  Si  Si210  1  0.832904  0.166269  0.666313  1
  Si  Si211  1  0.833292  0.499978  0.999864  1
  Si  Si212  1  0.833531  0.499940  0.333415  1
  Si  Si213  1  0.833400  0.500089  0.666712  1
  Si  Si214  1  0.832793  0.832847  0.999883  1
  Si  Si215  1  0.833447  0.833299  0.333235  1
  Si  Si216  1  0.833405  0.833215  0.666830  1