# 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  0.257081  0.243841  0.085955  1
  Si  Si2  1  0.250445  0.248526  0.418112  1
  Si  Si3  1  0.249916  0.249994  0.750069  1
  Si  Si4  1  0.248950  0.582847  0.083222  1
  Si  Si5  1  0.248941  0.582736  0.415751  1
  Si  Si6  1  0.249613  0.582648  0.750788  1
  Si  Si7  1  0.249994  0.916657  0.083337  1
  Si  Si8  1  0.250056  0.915449  0.417532  1
  Si  Si9  1  0.249714  0.916415  0.750397  1
  Si  Si10  1  0.583327  0.249990  0.083333  1
  Si  Si11  1  0.583417  0.249900  0.416772  1
  Si  Si12  1  0.583330  0.249991  0.750008  1
  Si  Si13  1  0.583318  0.583334  0.083335  1
  Si  Si14  1  0.582554  0.582832  0.416342  1
  Si  Si15  1  0.582171  0.583425  0.749580  1
  Si  Si16  1  0.583947  0.915806  0.083207  1
  Si  Si17  1  0.583326  0.916651  0.416665  1
  Si  Si18  1  0.583324  0.916660  0.750004  1
  Si  Si19  1  0.918460  0.252423  0.082819  1
  Si  Si20  1  0.917174  0.250456  0.415837  1
  Si  Si21  1  0.916638  0.249981  0.749996  1
  Si  Si22  1  0.912098  0.587221  0.081651  1
  Si  Si23  1  0.916619  0.583213  0.416584  1
  Si  Si24  1  0.915970  0.583756  0.748825  1
  Si  Si25  1  0.916660  0.916674  0.083335  1
  Si  Si26  1  0.916642  0.916648  0.416618  1
  Si  Si27  1  0.916656  0.916679  0.750003  1
  Si  Si28  1  0.000135  0.000224  0.000186  1
  Si  Si29  1  0.999740  0.999974  0.333219  1
  Si  Si30  1  0.999914  0.000074  0.666907  1
  Si  Si31  1  0.990820  0.337296  0.990948  1
  Si  Si32  1  0.002042  0.332536  0.332351  1
  Si  Si33  1  0.999953  0.333310  0.666715  1
  Si  Si34  1  0.999059  0.667589  0.999389  1
  Si  Si35  1  0.000109  0.666508  0.333290  1
  Si  Si36  1  0.999738  0.666918  0.666149  1
  Si  Si37  1  0.332870  0.000214  0.999823  1
  Si  Si38  1  0.333877  0.998242  0.334168  1
  Si  Si39  1  0.333271  0.999572  0.667162  1
  Si  Si40  1  0.333194  0.332520  0.001227  1
  Si  Si41  1  0.334211  0.331853  0.334655  1
  Si  Si42  1  0.333260  0.333227  0.666748  1
  Si  Si43  1  0.332891  0.666201  0.000619  1
  Si  Si44  1  0.332994  0.666133  0.333153  1
  Si  Si45  1  0.332840  0.665842  0.667072  1
  Si  Si46  1  0.666689  0.999917  0.000063  1
  Si  Si47  1  0.666774  0.999931  0.333344  1
  Si  Si48  1  0.666632  0.999987  0.666634  1
  Si  Si49  1  0.666693  0.333314  0.999953  1
  Si  Si50  1  0.666674  0.333255  0.333369  1
  Si  Si51  1  0.664783  0.333113  0.664801  1
  Si  Si52  1  0.665491  0.667302  0.999617  1
  Si  Si53  1  0.666601  0.666042  0.333432  1
  Si  Si54  1  0.666463  0.666596  0.666696  1
  Si  Si55  1  0.250862  0.081127  0.251420  1
  Si  Si56  1  0.249707  0.082582  0.584117  1
  Si  Si57  1  0.248607  0.084537  0.917582  1
  Si  Si58  1  0.251781  0.415023  0.251797  1
  Si  Si59  1  0.249986  0.416647  0.583332  1
  Si  Si60  1  0.248682  0.415956  0.918176  1
  Si  Si61  1  0.249988  0.749988  0.249993  1
  Si  Si62  1  0.249630  0.749235  0.583909  1
  Si  Si63  1  0.249413  0.749196  0.916847  1
  Si  Si64  1  0.583416  0.083063  0.250014  1
  Si  Si65  1  0.583328  0.083329  0.583339  1
  Si  Si66  1  0.583321  0.083323  0.916668  1
  Si  Si67  1  0.583322  0.416654  0.249998  1
  Si  Si68  1  0.582103  0.416533  0.582520  1
  Si  Si69  1  0.583298  0.416652  0.916662  1
  Si  Si70  1  0.583460  0.749549  0.250043  1
  Si  Si71  1  0.583318  0.749988  0.583331  1
  Si  Si72  1  0.582238  0.750192  0.916284  1
  Si  Si73  1  0.917384  0.084334  0.248937  1
  Si  Si74  1  0.916654  0.083336  0.583328  1
  Si  Si75  1  0.916459  0.083654  0.917095  1
  Si  Si76  1  0.918343  0.416445  0.248429  1
  Si  Si77  1  0.916657  0.416660  0.583324  1
  Si  Si78  1  0.908702  0.418078  0.909026  1
  Si  Si79  1  0.916455  0.749868  0.249894  1
  Si  Si80  1  0.916480  0.750028  0.583054  1
  Si  Si81  1  0.916064  0.750543  0.916168  1
  Si  Si82  1  0.002171  0.168768  0.167147  1
  Si  Si83  1  0.999926  0.166547  0.500031  1
  Si  Si84  1  0.000290  0.167413  0.834549  1
  Si  Si85  1  0.994836  0.506078  0.164470  1
  Si  Si86  1  0.000069  0.499916  0.499945  1
  Si  Si87  1  0.998441  0.500324  0.831763  1
  Si  Si88  1  0.999904  0.833260  0.166708  1
  Si  Si89  1  0.999898  0.833264  0.500014  1
  Si  Si90  1  0.999897  0.833463  0.833231  1
  Si  Si91  1  0.338063  0.161173  0.168369  1
  Si  Si92  1  0.333704  0.165914  0.501269  1
  Si  Si93  1  0.332929  0.166554  0.833721  1
  Si  Si94  1  0.332445  0.499090  0.166592  1
  Si  Si95  1  0.332756  0.499568  0.499211  1
  Si  Si96  1  0.332460  0.498791  0.834571  1
  Si  Si97  1  0.333341  0.833191  0.166651  1
  Si  Si98  1  0.333353  0.832259  0.500626  1
  Si  Si99  1  0.332804  0.832802  0.833559  1
  Si  Si100  1  0.666633  0.166553  0.166704  1
  Si  Si101  1  0.666789  0.166647  0.500047  1
  Si  Si102  1  0.666673  0.166570  0.833462  1
  Si  Si103  1  0.666664  0.499905  0.166597  1
  Si  Si104  1  0.666055  0.499733  0.499604  1
  Si  Si105  1  0.665469  0.500116  0.832504  1
  Si  Si106  1  0.666382  0.833434  0.166796  1
  Si  Si107  1  0.666639  0.833274  0.499935  1
  Si  Si108  1  0.666517  0.833255  0.833364  1
  Si  Si109  1  0.086945  0.241481  0.258920  1
  Si  Si110  1  0.083328  0.249990  0.583335  1
  Si  Si111  1  0.082236  0.252329  0.918149  1
  Si  Si112  1  0.082558  0.583312  0.249075  1
  Si  Si113  1  0.083323  0.583328  0.583329  1
  Si  Si114  1  0.081645  0.584760  0.914716  1
  Si  Si115  1  0.083326  0.916661  0.250004  1
  Si  Si116  1  0.082957  0.915105  0.585004  1
  Si  Si117  1  0.083324  0.916672  0.916675  1
  Si  Si118  1  0.417428  0.249082  0.250454  1
  Si  Si119  1  0.416930  0.249499  0.584144  1
  Si  Si120  1  0.416394  0.250064  0.916851  1
  Si  Si121  1  0.415934  0.582801  0.249356  1
  Si  Si122  1  0.415803  0.582808  0.583006  1
  Si  Si123  1  0.415954  0.582907  0.916991  1
  Si  Si124  1  0.417180  0.915495  0.250380  1
  Si  Si125  1  0.416618  0.916568  0.583366  1
  Si  Si126  1  0.416027  0.916638  0.916552  1
  Si  Si127  1  0.750012  0.250003  0.249989  1
  Si  Si128  1  0.750005  0.249992  0.583325  1
  Si  Si129  1  0.749969  0.249849  0.916689  1
  Si  Si130  1  0.750197  0.582854  0.250156  1
  Si  Si131  1  0.749296  0.583282  0.582748  1
  Si  Si132  1  0.748214  0.583960  0.915962  1
  Si  Si133  1  0.750007  0.916662  0.249994  1
  Si  Si134  1  0.749995  0.916659  0.583327  1
  Si  Si135  1  0.749988  0.916676  0.916665  1
  Si  Si136  1  0.166713  0.999911  0.166771  1
  Si  Si137  1  0.166734  0.996988  0.502719  1
  Si  Si138  1  0.166579  0.000233  0.833602  1
  Si  Si139  1  0.176894  0.316271  0.178901  1
  Si  Si140  1  0.166730  0.333164  0.499996  1
  Si  Si141  1  0.166284  0.333206  0.833524  1
  Si  Si142  1  0.166493  0.666679  0.166673  1
  Si  Si143  1  0.166567  0.666432  0.499857  1
  Si  Si144  1  0.165677  0.666945  0.832598  1
  Si  Si145  1  0.501528  0.997917  0.166991  1
  Si  Si146  1  0.499976  0.999890  0.500066  1
  Si  Si147  1  0.499891  0.999862  0.833481  1
  Si  Si148  1  0.499904  0.333206  0.166756  1
  Si  Si149  1  0.499661  0.332770  0.500094  1
  Si  Si150  1  0.499975  0.333168  0.833440  1
  Si  Si151  1  0.499869  0.666495  0.166700  1
  Si  Si152  1  0.499832  0.666132  0.500315  1
  Si  Si153  1  0.498964  0.666459  0.833298  1
  Si  Si154  1  0.833448  0.000102  0.166776  1
  Si  Si155  1  0.833384  0.999954  0.499946  1
  Si  Si156  1  0.833377  0.000091  0.833440  1
  Si  Si157  1  0.833499  0.333382  0.166472  1
  Si  Si158  1  0.833475  0.333170  0.499874  1
  Si  Si159  1  0.828392  0.332855  0.828549  1
  Si  Si160  1  0.830753  0.668602  0.166427  1
  Si  Si161  1  0.833139  0.666560  0.499860  1
  Si  Si162  1  0.833025  0.666564  0.833197  1
  Si  Si163  1  0.083429  0.083683  0.083880  1
  Si  Si164  1  0.082893  0.078759  0.420962  1
  Si  Si165  1  0.082810  0.083638  0.750603  1
  Si  Si166  1  0.066815  0.426689  0.070049  1
  Si  Si167  1  0.083334  0.416505  0.416627  1
  Si  Si168  1  0.083274  0.416662  0.750007  1
  Si  Si169  1  0.083186  0.749940  0.083288  1
  Si  Si170  1  0.083316  0.749996  0.416671  1
  Si  Si171  1  0.082974  0.749984  0.749870  1
  Si  Si172  1  0.419251  0.080064  0.083508  1
  Si  Si173  1  0.416566  0.083052  0.416829  1
  Si  Si174  1  0.416426  0.083138  0.750421  1
  Si  Si175  1  0.416648  0.416620  0.083361  1
  Si  Si176  1  0.416719  0.415508  0.417049  1
  Si  Si177  1  0.416207  0.416443  0.750436  1
  Si  Si178  1  0.416655  0.749985  0.083331  1
  Si  Si179  1  0.416480  0.749026  0.416924  1
  Si  Si180  1  0.416104  0.749839  0.749839  1
  Si  Si181  1  0.750009  0.083344  0.083326  1
  Si  Si182  1  0.750013  0.083330  0.416661  1
  Si  Si183  1  0.749996  0.083330  0.750009  1
  Si  Si184  1  0.749993  0.416664  0.083321  1
  Si  Si185  1  0.750018  0.416660  0.416648  1
  Si  Si186  1  0.746742  0.416887  0.746965  1
  Si  Si187  1  0.748436  0.751028  0.082997  1
  Si  Si188  1  0.749896  0.749865  0.416580  1
  Si  Si189  1  0.749982  0.749997  0.749995  1
  Si  Si190  1  0.166370  0.168695  0.002043  1
  Si  Si191  1  0.168146  0.159203  0.340459  1
  Si  Si192  1  0.166408  0.166518  0.666949  1
  Si  Si193  1  0.164792  0.502779  0.997646  1
  Si  Si194  1  0.166002  0.499065  0.332160  1
  Si  Si195  1  0.166565  0.499890  0.666696  1
  Si  Si196  1  0.166579  0.833231  0.000040  1
  Si  Si197  1  0.166603  0.833209  0.333369  1
  Si  Si198  1  0.166453  0.832597  0.667410  1
  Si  Si199  1  0.499914  0.166386  0.000177  1
  Si  Si200  1  0.500381  0.166242  0.333760  1
  Si  Si201  1  0.500086  0.166305  0.667255  1
  Si  Si202  1  0.499932  0.499933  0.000094  1
  Si  Si203  1  0.499166  0.499407  0.333061  1
  Si  Si204  1  0.499080  0.499665  0.666434  1
  Si  Si205  1  0.499562  0.833515  0.999943  1
  Si  Si206  1  0.500199  0.832371  0.333778  1
  Si  Si207  1  0.499897  0.833230  0.666741  1
  Si  Si208  1  0.834135  0.167513  0.001197  1
  Si  Si209  1  0.833524  0.166582  0.333171  1
  Si  Si210  1  0.833425  0.166563  0.666737  1
  Si  Si211  1  0.831197  0.500752  0.998519  1
  Si  Si212  1  0.834387  0.498897  0.332796  1
  Si  Si213  1  0.832524  0.499987  0.665892  1
  Si  Si214  1  0.833067  0.833483  0.000056  1
  Si  Si215  1  0.833281  0.833214  0.333357  1
  Si  Si216  1  0.833281  0.833302  0.666620  1
  N  N217  1  0.099359  0.345225  0.120500  1