# generated using pymatgen
data_Si216N
_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   Si216N
_chemical_formula_sum   'Si216 N1'
_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  0.264034  0.244689  0.088476  1
  Si  Si2  1  0.250081  0.249894  0.415629  1
  Si  Si3  1  0.250346  0.249725  0.749515  1
  Si  Si4  1  0.250366  0.583776  0.083613  1
  Si  Si5  1  0.248958  0.581955  0.415323  1
  Si  Si6  1  0.249570  0.582301  0.751072  1
  Si  Si7  1  0.250105  0.917649  0.083505  1
  Si  Si8  1  0.250197  0.916250  0.417154  1
  Si  Si9  1  0.248967  0.918001  0.751348  1
  Si  Si10  1  0.584042  0.250019  0.083374  1
  Si  Si11  1  0.584249  0.250033  0.417369  1
  Si  Si12  1  0.583672  0.249911  0.749947  1
  Si  Si13  1  0.583635  0.583325  0.083554  1
  Si  Si14  1  0.582638  0.582732  0.416968  1
  Si  Si15  1  0.583181  0.582783  0.750612  1
  Si  Si16  1  0.584208  0.915900  0.083409  1
  Si  Si17  1  0.582890  0.916383  0.417032  1
  Si  Si18  1  0.582613  0.916486  0.750697  1
  Si  Si19  1  0.918510  0.249834  0.083354  1
  Si  Si20  1  0.916866  0.250372  0.415767  1
  Si  Si21  1  0.913910  0.249969  0.746913  1
  Si  Si22  1  0.913971  0.586333  0.083384  1
  Si  Si23  1  0.916574  0.583653  0.416884  1
  Si  Si24  1  0.917349  0.581893  0.751447  1
  Si  Si25  1  0.916828  0.917469  0.082961  1
  Si  Si26  1  0.916542  0.916052  0.417269  1
  Si  Si27  1  0.916564  0.916414  0.749670  1
  Si  Si28  1  0.000443  0.001277  0.999997  1
  Si  Si29  1  0.999690  0.999387  0.333880  1
  Si  Si30  1  0.999771  0.998373  0.664612  1
  Si  Si31  1  0.018194  0.323942  0.009216  1
  Si  Si32  1  0.000525  0.333236  0.331927  1
  Si  Si33  1  0.999946  0.333139  0.666171  1
  Si  Si34  1  0.999988  0.667096  0.000228  1
  Si  Si35  1  0.999789  0.668682  0.334928  1
  Si  Si36  1  0.000121  0.665788  0.667512  1
  Si  Si37  1  0.331324  0.002936  0.000097  1
  Si  Si38  1  0.333527  0.999482  0.333900  1
  Si  Si39  1  0.332720  0.000331  0.667367  1
  Si  Si40  1  0.335259  0.332104  0.001190  1
  Si  Si41  1  0.331317  0.333299  0.330362  1
  Si  Si42  1  0.333309  0.333154  0.666188  1
  Si  Si43  1  0.333318  0.667174  0.000291  1
  Si  Si44  1  0.332768  0.665987  0.333122  1
  Si  Si45  1  0.332937  0.665802  0.667570  1
  Si  Si46  1  0.666983  0.999971  0.000220  1
  Si  Si47  1  0.666533  0.999693  0.333669  1
  Si  Si48  1  0.666049  0.999677  0.667097  1
  Si  Si49  1  0.667589  0.333200  0.000162  1
  Si  Si50  1  0.667077  0.333235  0.333350  1
  Si  Si51  1  0.667180  0.333267  0.667036  1
  Si  Si52  1  0.667118  0.666211  0.000149  1
  Si  Si53  1  0.666089  0.666230  0.333747  1
  Si  Si54  1  0.666363  0.666199  0.667200  1
  Si  Si55  1  0.251045  0.082924  0.250434  1
  Si  Si56  1  0.249878  0.083347  0.583010  1
  Si  Si57  1  0.243561  0.090497  0.922979  1
  Si  Si58  1  0.243537  0.410222  0.242692  1
  Si  Si59  1  0.249798  0.416467  0.582838  1
  Si  Si60  1  0.246764  0.413426  0.919819  1
  Si  Si61  1  0.249932  0.750322  0.250082  1
  Si  Si62  1  0.249768  0.749259  0.584055  1
  Si  Si63  1  0.249777  0.750482  0.916927  1
  Si  Si64  1  0.584195  0.083204  0.250167  1
  Si  Si65  1  0.582503  0.083206  0.584140  1
  Si  Si66  1  0.583597  0.083339  0.916872  1
  Si  Si67  1  0.583655  0.416601  0.250065  1
  Si  Si68  1  0.582593  0.416385  0.584076  1
  Si  Si69  1  0.583809  0.416430  0.916935  1
  Si  Si70  1  0.582511  0.749188  0.250285  1
  Si  Si71  1  0.583076  0.749741  0.583740  1
  Si  Si72  1  0.582557  0.749221  0.917030  1
  Si  Si73  1  0.915220  0.081900  0.251347  1
  Si  Si74  1  0.916553  0.083213  0.582452  1
  Si  Si75  1  0.916108  0.082778  0.915515  1
  Si  Si76  1  0.916238  0.417722  0.250439  1
  Si  Si77  1  0.916700  0.416547  0.583019  1
  Si  Si78  1  0.923807  0.410237  0.922959  1
  Si  Si79  1  0.916528  0.750870  0.250171  1
  Si  Si80  1  0.916540  0.749167  0.584156  1
  Si  Si81  1  0.916682  0.750259  0.916881  1
  Si  Si82  1  0.997725  0.164392  0.168825  1
  Si  Si83  1  0.000078  0.166757  0.499113  1
  Si  Si84  1  0.995365  0.162036  0.824605  1
  Si  Si85  1  0.995511  0.508608  0.171195  1
  Si  Si86  1  0.000119  0.499821  0.499564  1
  Si  Si87  1  0.999621  0.497665  0.835597  1
  Si  Si88  1  0.000067  0.834170  0.166605  1
  Si  Si89  1  0.999722  0.832669  0.500626  1
  Si  Si90  1  0.000063  0.833680  0.833498  1
  Si  Si91  1  0.341912  0.162202  0.171173  1
  Si  Si92  1  0.333147  0.166763  0.499551  1
  Si  Si93  1  0.330996  0.166269  0.835598  1
  Si  Si94  1  0.331016  0.497679  0.167064  1
  Si  Si95  1  0.332984  0.499649  0.499297  1
  Si  Si96  1  0.330850  0.497512  0.835831  1
  Si  Si97  1  0.333197  0.833811  0.166702  1
  Si  Si98  1  0.332982  0.832655  0.500757  1
  Si  Si99  1  0.332939  0.834059  0.833755  1
  Si  Si100  1  0.667491  0.166744  0.166606  1
  Si  Si101  1  0.665998  0.166392  0.500607  1
  Si  Si102  1  0.667039  0.166687  0.833497  1
  Si  Si103  1  0.667146  0.499855  0.166687  1
  Si  Si104  1  0.665966  0.499634  0.500780  1
  Si  Si105  1  0.667395  0.499591  0.833770  1
  Si  Si106  1  0.665982  0.832657  0.167039  1
  Si  Si107  1  0.666425  0.833093  0.500320  1
  Si  Si108  1  0.665896  0.832557  0.833767  1
  Si  Si109  1  0.083170  0.249856  0.247970  1
  Si  Si110  1  0.083328  0.250001  0.582544  1
  Si  Si111  1  0.077947  0.244638  0.902435  1
  Si  Si112  1  0.083357  0.586348  0.252710  1
  Si  Si113  1  0.083292  0.583325  0.583017  1
  Si  Si114  1  0.083069  0.583768  0.916256  1
  Si  Si115  1  0.083722  0.917507  0.249782  1
  Si  Si116  1  0.083367  0.915927  0.582359  1
  Si  Si117  1  0.083192  0.917589  0.916563  1
  Si  Si118  1  0.419663  0.250032  0.252708  1
  Si  Si119  1  0.416646  0.249933  0.583012  1
  Si  Si120  1  0.417104  0.249732  0.916248  1
  Si  Si121  1  0.415193  0.581867  0.249411  1
  Si  Si122  1  0.416166  0.582815  0.583531  1
  Si  Si123  1  0.415596  0.582255  0.917198  1
  Si  Si124  1  0.417015  0.916514  0.250230  1
  Si  Si125  1  0.416043  0.916484  0.584094  1
  Si  Si126  1  0.415286  0.918001  0.917779  1
  Si  Si127  1  0.750831  0.250381  0.249783  1
  Si  Si128  1  0.749265  0.250006  0.582363  1
  Si  Si129  1  0.750917  0.249846  0.916559  1
  Si  Si130  1  0.749827  0.583672  0.250238  1
  Si  Si131  1  0.749819  0.582701  0.584106  1
  Si  Si132  1  0.751344  0.581953  0.917778  1
  Si  Si133  1  0.749348  0.916018  0.250208  1
  Si  Si134  1  0.749746  0.916409  0.583786  1
  Si  Si135  1  0.749486  0.916139  0.916574  1
  Si  Si136  1  0.166570  0.001368  0.166101  1
  Si  Si137  1  0.166508  0.000055  0.499596  1
  Si  Si138  1  0.166547  0.002863  0.835270  1
  Si  Si139  1  0.157284  0.323985  0.148248  1
  Si  Si140  1  0.166548  0.333224  0.499025  1
  Si  Si141  1  0.165394  0.332049  0.831369  1
  Si  Si142  1  0.166530  0.667157  0.166766  1
  Si  Si143  1  0.166625  0.666257  0.499507  1
  Si  Si144  1  0.166454  0.667185  0.833334  1
  Si  Si145  1  0.501990  0.998436  0.166948  1
  Si  Si146  1  0.499546  0.999696  0.500616  1
  Si  Si147  1  0.499265  0.000330  0.834002  1
  Si  Si148  1  0.500481  0.333199  0.166766  1
  Si  Si149  1  0.499577  0.333276  0.499500  1
  Si  Si150  1  0.500522  0.333105  0.833330  1
  Si  Si151  1  0.499141  0.665806  0.166728  1
  Si  Si152  1  0.499602  0.666263  0.500411  1
  Si  Si153  1  0.499101  0.665752  0.833829  1
  Si  Si154  1  0.832670  0.999339  0.166962  1
  Si  Si155  1  0.833071  0.999740  0.500084  1
  Si  Si156  1  0.832667  0.999300  0.833060  1
  Si  Si157  1  0.834696  0.333238  0.166115  1
  Si  Si158  1  0.833381  0.333179  0.499619  1
  Si  Si159  1  0.836182  0.333204  0.835257  1
  Si  Si160  1  0.831749  0.668664  0.166965  1
  Si  Si161  1  0.833029  0.666201  0.500626  1
  Si  Si162  1  0.833671  0.665934  0.834007  1
  Si  Si163  1  0.083160  0.085189  0.083347  1
  Si  Si164  1  0.083694  0.083553  0.415756  1
  Si  Si165  1  0.083308  0.080590  0.746926  1
  Si  Si166  1  0.077992  0.430730  0.088466  1
  Si  Si167  1  0.083218  0.416749  0.415621  1
  Si  Si168  1  0.083082  0.417008  0.749518  1
  Si  Si169  1  0.083346  0.750725  0.083376  1
  Si  Si170  1  0.083369  0.750923  0.417393  1
  Si  Si171  1  0.083278  0.750322  0.749923  1
  Si  Si172  1  0.419649  0.080645  0.083374  1
  Si  Si173  1  0.416980  0.083216  0.416876  1
  Si  Si174  1  0.415224  0.084006  0.751441  1
  Si  Si175  1  0.417097  0.417029  0.083613  1
  Si  Si176  1  0.415288  0.415630  0.415320  1
  Si  Si177  1  0.415633  0.416226  0.751060  1
  Si  Si178  1  0.416664  0.750305  0.083560  1
  Si  Si179  1  0.416074  0.749305  0.416974  1
  Si  Si180  1  0.416135  0.749838  0.750597  1
  Si  Si181  1  0.750808  0.083506  0.082977  1
  Si  Si182  1  0.749380  0.083201  0.417262  1
  Si  Si183  1  0.749767  0.083173  0.749669  1
  Si  Si184  1  0.750987  0.416764  0.083500  1
  Si  Si185  1  0.749578  0.416861  0.417178  1
  Si  Si186  1  0.751326  0.415630  0.751348  1
  Si  Si187  1  0.749216  0.750860  0.083417  1
  Si  Si188  1  0.749714  0.749555  0.417035  1
  Si  Si189  1  0.749822  0.749278  0.750697  1
  Si  Si190  1  0.157250  0.184879  0.009200  1
  Si  Si191  1  0.166560  0.167227  0.331924  1
  Si  Si192  1  0.166473  0.166610  0.666153  1
  Si  Si193  1  0.165443  0.501939  0.001192  1
  Si  Si194  1  0.166621  0.497995  0.330364  1
  Si  Si195  1  0.166502  0.499984  0.666191  1
  Si  Si196  1  0.166546  0.834260  0.000169  1
  Si  Si197  1  0.166555  0.833743  0.333357  1
  Si  Si198  1  0.166638  0.833837  0.667023  1
  Si  Si199  1  0.500428  0.166650  0.000216  1
  Si  Si200  1  0.501989  0.166449  0.334922  1
  Si  Si201  1  0.499121  0.166773  0.667507  1
  Si  Si202  1  0.500499  0.499980  0.000299  1
  Si  Si203  1  0.499317  0.499433  0.333109  1
  Si  Si204  1  0.499150  0.499582  0.667581  1
  Si  Si205  1  0.499555  0.833790  0.000153  1
  Si  Si206  1  0.499560  0.832764  0.333753  1
  Si  Si207  1  0.499539  0.833032  0.667193  1
  Si  Si208  1  0.834613  0.167118  0.000001  1
  Si  Si209  1  0.832710  0.166360  0.333885  1
  Si  Si210  1  0.831706  0.166405  0.664609  1
  Si  Si211  1  0.836271  0.498008  0.000107  1
  Si  Si212  1  0.832810  0.500213  0.333931  1
  Si  Si213  1  0.833675  0.499384  0.667379  1
  Si  Si214  1  0.833298  0.833623  0.000227  1
  Si  Si215  1  0.833029  0.833210  0.333674  1
  Si  Si216  1  0.833019  0.832714  0.667110  1
  N  N217  1  0.116769  0.283468  0.049649  1