# generated using pymatgen
data_Si215Se
_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   Si215Se
_chemical_formula_sum   'Si215 Se1'
_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
  Si  Si1  1  0.249967  0.249922  0.417391  1
  Si  Si2  1  0.249952  0.249929  0.749336  1
  Si  Si3  1  0.250033  0.583916  0.083230  1
  Si  Si4  1  0.249972  0.583587  0.416921  1
  Si  Si5  1  0.249888  0.583633  0.749772  1
  Si  Si6  1  0.249952  0.915996  0.083396  1
  Si  Si7  1  0.249723  0.916338  0.417015  1
  Si  Si8  1  0.250120  0.916307  0.749719  1
  Si  Si9  1  0.583986  0.250043  0.083366  1
  Si  Si10  1  0.583530  0.250162  0.417063  1
  Si  Si11  1  0.583666  0.249834  0.749749  1
  Si  Si12  1  0.583572  0.583579  0.083550  1
  Si  Si13  1  0.583284  0.583383  0.416876  1
  Si  Si14  1  0.583338  0.583263  0.749912  1
  Si  Si15  1  0.583503  0.916327  0.083386  1
  Si  Si16  1  0.583243  0.916595  0.416609  1
  Si  Si17  1  0.583277  0.916626  0.749966  1
  Si  Si18  1  0.915912  0.249944  0.083322  1
  Si  Si19  1  0.916284  0.249802  0.416952  1
  Si  Si20  1  0.916422  0.250127  0.749681  1
  Si  Si21  1  0.916329  0.583593  0.083177  1
  Si  Si22  1  0.916755  0.583213  0.416479  1
  Si  Si23  1  0.916543  0.583539  0.749900  1
  Si  Si24  1  0.916310  0.916326  0.083497  1
  Si  Si25  1  0.916398  0.916557  0.416761  1
  Si  Si26  1  0.916571  0.916555  0.750156  1
  Si  Si27  1  0.999488  0.999443  0.999471  1
  Si  Si28  1  0.999801  0.999887  0.333442  1
  Si  Si29  1  0.999746  0.999840  0.666656  1
  Si  Si30  1  0.998924  0.333402  0.999909  1
  Si  Si31  1  0.999474  0.333731  0.333757  1
  Si  Si32  1  0.999965  0.333270  0.666427  1
  Si  Si33  1  0.999835  0.666776  0.999972  1
  Si  Si34  1  0.000002  0.666750  0.333356  1
  Si  Si35  1  0.000015  0.666695  0.666542  1
  Si  Si36  1  0.333348  0.999036  0.999985  1
  Si  Si37  1  0.333732  0.999455  0.333835  1
  Si  Si38  1  0.333370  0.999782  0.666535  1
  Si  Si39  1  0.339859  0.339776  0.993507  1
  Si  Si40  1  0.333369  0.333410  0.334437  1
  Si  Si41  1  0.333420  0.333344  0.666341  1
  Si  Si42  1  0.333521  0.666854  0.999796  1
  Si  Si43  1  0.333148  0.666818  0.333425  1
  Si  Si44  1  0.333404  0.666813  0.666679  1
  Si  Si45  1  0.666711  0.999768  0.000137  1
  Si  Si46  1  0.666658  0.999929  0.333431  1
  Si  Si47  1  0.666637  0.000075  0.666766  1
  Si  Si48  1  0.667011  0.333448  0.999915  1
  Si  Si49  1  0.666737  0.333287  0.333530  1
  Si  Si50  1  0.666869  0.333384  0.666677  1
  Si  Si51  1  0.666716  0.666775  0.000109  1
  Si  Si52  1  0.666609  0.666567  0.333386  1
  Si  Si53  1  0.666673  0.666564  0.666534  1
  Si  Si54  1  0.248470  0.082054  0.251320  1
  Si  Si55  1  0.250029  0.083083  0.583405  1
  Si  Si56  1  0.251413  0.082024  0.915370  1
  Si  Si57  1  0.251422  0.417810  0.251231  1
  Si  Si58  1  0.249976  0.416801  0.583435  1
  Si  Si59  1  0.248579  0.417849  0.915405  1
  Si  Si60  1  0.249852  0.749963  0.250030  1
  Si  Si61  1  0.250107  0.749948  0.583329  1
  Si  Si62  1  0.250063  0.749891  0.916503  1
  Si  Si63  1  0.583529  0.083417  0.250047  1
  Si  Si64  1  0.583484  0.083428  0.583323  1
  Si  Si65  1  0.583685  0.082931  0.916441  1
  Si  Si66  1  0.583702  0.416992  0.250387  1
  Si  Si67  1  0.583476  0.416621  0.583492  1
  Si  Si68  1  0.583684  0.416631  0.916668  1
  Si  Si69  1  0.583291  0.749868  0.250097  1
  Si  Si70  1  0.583315  0.749939  0.583199  1
  Si  Si71  1  0.583443  0.749998  0.916788  1
  Si  Si72  1  0.916130  0.082963  0.250309  1
  Si  Si73  1  0.916444  0.083228  0.583384  1
  Si  Si74  1  0.916336  0.083317  0.916737  1
  Si  Si75  1  0.916361  0.416553  0.249934  1
  Si  Si76  1  0.916753  0.416682  0.583224  1
  Si  Si77  1  0.916179  0.416956  0.916314  1
  Si  Si78  1  0.916653  0.749907  0.249907  1
  Si  Si79  1  0.916590  0.749986  0.583237  1
  Si  Si80  1  0.916494  0.749998  0.916722  1
  Si  Si81  1  0.998909  0.166466  0.166711  1
  Si  Si82  1  0.999766  0.166582  0.500182  1
  Si  Si83  1  0.999509  0.166097  0.832893  1
  Si  Si84  1  0.999507  0.500394  0.167120  1
  Si  Si85  1  0.000020  0.500042  0.499970  1
  Si  Si86  1  0.999852  0.500052  0.833190  1
  Si  Si87  1  0.999915  0.833104  0.166556  1
  Si  Si88  1  0.999931  0.833369  0.500029  1
  Si  Si89  1  0.999915  0.833104  0.833256  1
  Si  Si90  1  0.339798  0.160164  0.173294  1
  Si  Si91  1  0.333408  0.166452  0.500336  1
  Si  Si92  1  0.333409  0.166536  0.832330  1
  Si  Si93  1  0.333381  0.500905  0.166733  1
  Si  Si94  1  0.333196  0.500186  0.500216  1
  Si  Si95  1  0.333901  0.500366  0.832860  1
  Si  Si96  1  0.333416  0.832919  0.166720  1
  Si  Si97  1  0.333350  0.833262  0.500097  1
  Si  Si98  1  0.333329  0.833124  0.833210  1
  Si  Si99  1  0.666903  0.166559  0.166792  1
  Si  Si100  1  0.666806  0.166765  0.500182  1
  Si  Si101  1  0.666769  0.166576  0.833268  1
  Si  Si102  1  0.666806  0.500078  0.166689  1
  Si  Si103  1  0.666651  0.499937  0.500041  1
  Si  Si104  1  0.666810  0.500115  0.833210  1
  Si  Si105  1  0.666642  0.833112  0.166834  1
  Si  Si106  1  0.666691  0.833312  0.499923  1
  Si  Si107  1  0.666611  0.833343  0.833383  1
  Si  Si108  1  0.081980  0.248436  0.251228  1
  Si  Si109  1  0.083206  0.249836  0.583290  1
  Si  Si110  1  0.082027  0.251442  0.915395  1
  Si  Si111  1  0.083352  0.583579  0.249843  1
  Si  Si112  1  0.083368  0.583424  0.583194  1
  Si  Si113  1  0.082961  0.583687  0.916297  1
  Si  Si114  1  0.082911  0.916228  0.250334  1
  Si  Si115  1  0.083214  0.916556  0.583478  1
  Si  Si116  1  0.083339  0.916296  0.916672  1
  Si  Si117  1  0.417875  0.251493  0.251343  1
  Si  Si118  1  0.416778  0.249979  0.583243  1
  Si  Si119  1  0.417931  0.248475  0.915437  1
  Si  Si120  1  0.416855  0.583735  0.250319  1
  Si  Si121  1  0.416565  0.583413  0.583461  1
  Si  Si122  1  0.416786  0.583566  0.916541  1
  Si  Si123  1  0.416524  0.916301  0.250023  1
  Si  Si124  1  0.416719  0.916632  0.583194  1
  Si  Si125  1  0.416879  0.916258  0.916412  1
  Si  Si126  1  0.749858  0.250001  0.250150  1
  Si  Si127  1  0.750102  0.250027  0.583476  1
  Si  Si128  1  0.749909  0.249988  0.916472  1
  Si  Si129  1  0.749974  0.583277  0.250105  1
  Si  Si130  1  0.750113  0.583279  0.583167  1
  Si  Si131  1  0.749858  0.583486  0.916730  1
  Si  Si132  1  0.749813  0.916584  0.249981  1
  Si  Si133  1  0.749854  0.916675  0.583446  1
  Si  Si134  1  0.749938  0.916495  0.916835  1
  Si  Si135  1  0.166494  0.998992  0.166808  1
  Si  Si136  1  0.166583  0.999838  0.500267  1
  Si  Si137  1  0.166092  0.999485  0.832852  1
  Si  Si138  1  0.160088  0.339741  0.173157  1
  Si  Si139  1  0.166588  0.333387  0.500388  1
  Si  Si140  1  0.166554  0.333414  0.832307  1
  Si  Si141  1  0.166562  0.666923  0.166607  1
  Si  Si142  1  0.166629  0.666834  0.500095  1
  Si  Si143  1  0.166636  0.666821  0.833200  1
  Si  Si144  1  0.500322  0.999564  0.167323  1
  Si  Si145  1  0.500168  0.999965  0.500080  1
  Si  Si146  1  0.499956  0.999950  0.833320  1
  Si  Si147  1  0.500974  0.333419  0.166823  1
  Si  Si148  1  0.500104  0.333416  0.500236  1
  Si  Si149  1  0.500504  0.333783  0.832940  1
  Si  Si150  1  0.500026  0.666786  0.166669  1
  Si  Si151  1  0.499808  0.666679  0.500032  1
  Si  Si152  1  0.500205  0.666831  0.833190  1
  Si  Si153  1  0.833038  0.999840  0.166633  1
  Si  Si154  1  0.833126  0.999988  0.500035  1
  Si  Si155  1  0.833166  0.999810  0.833407  1
  Si  Si156  1  0.832922  0.333391  0.166770  1
  Si  Si157  1  0.833276  0.333373  0.500167  1
  Si  Si158  1  0.833151  0.333282  0.833149  1
  Si  Si159  1  0.833202  0.666652  0.166810  1
  Si  Si160  1  0.833414  0.666610  0.499784  1
  Si  Si161  1  0.833203  0.666733  0.833377  1
  Si  Si162  1  0.082021  0.081985  0.084735  1
  Si  Si163  1  0.082934  0.082957  0.417110  1
  Si  Si164  1  0.083274  0.083289  0.749707  1
  Si  Si165  1  0.082055  0.417873  0.081840  1
  Si  Si166  1  0.083375  0.416469  0.416870  1
  Si  Si167  1  0.083027  0.417001  0.749534  1
  Si  Si168  1  0.083244  0.749954  0.083163  1
  Si  Si169  1  0.083273  0.750015  0.416814  1
  Si  Si170  1  0.083358  0.749996  0.749809  1
  Si  Si171  1  0.417861  0.082104  0.081969  1
  Si  Si172  1  0.416588  0.083265  0.416940  1
  Si  Si173  1  0.416992  0.083042  0.749544  1
  Si  Si174  1  0.417953  0.417890  0.084774  1
  Si  Si175  1  0.416902  0.417042  0.417156  1
  Si  Si176  1  0.416670  0.416502  0.749722  1
  Si  Si177  1  0.416791  0.749918  0.083248  1
  Si  Si178  1  0.416478  0.749997  0.416728  1
  Si  Si179  1  0.416785  0.750073  0.749871  1
  Si  Si180  1  0.749867  0.083200  0.083330  1
  Si  Si181  1  0.749821  0.083378  0.416773  1
  Si  Si182  1  0.750079  0.083288  0.750053  1
  Si  Si183  1  0.749998  0.416837  0.083334  1
  Si  Si184  1  0.749987  0.416552  0.416828  1
  Si  Si185  1  0.750111  0.416776  0.749869  1
  Si  Si186  1  0.749949  0.749921  0.083535  1
  Si  Si187  1  0.750035  0.749993  0.416489  1
  Si  Si188  1  0.749827  0.749973  0.750009  1
  Si  Si189  1  0.160092  0.160111  0.993452  1
  Si  Si190  1  0.166495  0.166550  0.334378  1
  Si  Si191  1  0.166557  0.166447  0.666350  1
  Si  Si192  1  0.166561  0.500931  0.999834  1
  Si  Si193  1  0.166082  0.500355  0.333683  1
  Si  Si194  1  0.166683  0.500204  0.666502  1
  Si  Si195  1  0.166651  0.832975  0.999835  1
  Si  Si196  1  0.166608  0.833138  0.333440  1
  Si  Si197  1  0.166665  0.833189  0.666504  1
  Si  Si198  1  0.500993  0.166560  0.999996  1
  Si  Si199  1  0.500370  0.166174  0.333875  1
  Si  Si200  1  0.500135  0.166742  0.666464  1
  Si  Si201  1  0.500500  0.500425  0.999452  1
  Si  Si202  1  0.499983  0.500102  0.333426  1
  Si  Si203  1  0.500039  0.500024  0.666584  1
  Si  Si204  1  0.500085  0.833193  0.000040  1
  Si  Si205  1  0.499985  0.833139  0.333432  1
  Si  Si206  1  0.500043  0.833356  0.666526  1
  Si  Si207  1  0.832900  0.166553  0.999868  1
  Si  Si208  1  0.833049  0.166651  0.333438  1
  Si  Si209  1  0.833242  0.166571  0.666645  1
  Si  Si210  1  0.833118  0.500152  0.999962  1
  Si  Si211  1  0.833192  0.499928  0.333416  1
  Si  Si212  1  0.833458  0.500028  0.666555  1
  Si  Si213  1  0.833150  0.833131  0.000079  1
  Si  Si214  1  0.833308  0.833298  0.333150  1
  Si  Si215  1  0.833265  0.833279  0.666698  1
  Se  Se216  1  0.249961  0.249935  0.083349  1