# generated using pymatgen
data_Si216Pb
_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   Si216Pb
_chemical_formula_sum   'Si216 Pb1'
_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  0.257579  0.249969  0.083317  1
  Si  Si2  1  0.250575  0.250275  0.417704  1
  Si  Si3  1  0.250571  0.249722  0.748972  1
  Si  Si4  1  0.250569  0.584364  0.083611  1
  Si  Si5  1  0.250397  0.584798  0.418161  1
  Si  Si6  1  0.249897  0.583393  0.749952  1
  Si  Si7  1  0.250572  0.915652  0.083060  1
  Si  Si8  1  0.249906  0.916601  0.416732  1
  Si  Si9  1  0.250407  0.915174  0.748526  1
  Si  Si10  1  0.583334  0.250034  0.083221  1
  Si  Si11  1  0.583339  0.249987  0.417085  1
  Si  Si12  1  0.583331  0.250012  0.749567  1
  Si  Si13  1  0.583315  0.583761  0.083361  1
  Si  Si14  1  0.583514  0.583390  0.416705  1
  Si  Si15  1  0.583176  0.583416  0.749893  1
  Si  Si16  1  0.583347  0.916250  0.083299  1
  Si  Si17  1  0.583161  0.916627  0.416708  1
  Si  Si18  1  0.583502  0.916585  0.749922  1
  Si  Si19  1  0.909095  0.250011  0.083329  1
  Si  Si20  1  0.916086  0.249717  0.417680  1
  Si  Si21  1  0.916087  0.250267  0.748987  1
  Si  Si22  1  0.916098  0.584355  0.083059  1
  Si  Si23  1  0.916777  0.583378  0.416734  1
  Si  Si24  1  0.916260  0.584825  0.748525  1
  Si  Si25  1  0.916073  0.915656  0.083615  1
  Si  Si26  1  0.916273  0.915182  0.418152  1
  Si  Si27  1  0.916772  0.916613  0.749947  1
  Si  Si28  1  0.998316  0.997746  0.998336  1
  Si  Si29  1  0.000423  0.997395  0.335952  1
  Si  Si30  1  0.999943  0.999587  0.666238  1
  Si  Si31  1  0.989926  0.343421  0.989911  1
  Si  Si32  1  0.998338  0.335002  0.335600  1
  Si  Si33  1  0.999847  0.333470  0.666200  1
  Si  Si34  1  0.999868  0.667182  0.999887  1
  Si  Si35  1  0.999933  0.667089  0.333741  1
  Si  Si36  1  0.999953  0.667383  0.665984  1
  Si  Si37  1  0.335949  0.997393  0.000421  1
  Si  Si38  1  0.333617  0.999717  0.333617  1
  Si  Si39  1  0.333489  0.999843  0.666359  1
  Si  Si40  1  0.335589  0.334999  0.998327  1
  Si  Si41  1  0.335949  0.332912  0.335949  1
  Si  Si42  1  0.333752  0.333397  0.666242  1
  Si  Si43  1  0.333733  0.667106  0.999939  1
  Si  Si44  1  0.333477  0.666976  0.333494  1
  Si  Si45  1  0.333380  0.666615  0.666720  1
  Si  Si46  1  0.666231  0.999623  0.999916  1
  Si  Si47  1  0.666346  0.999866  0.333465  1
  Si  Si48  1  0.666712  0.999966  0.666717  1
  Si  Si49  1  0.666211  0.333512  0.999832  1
  Si  Si50  1  0.666248  0.333391  0.333745  1
  Si  Si51  1  0.665975  0.333376  0.665960  1
  Si  Si52  1  0.665959  0.667354  0.999976  1
  Si  Si53  1  0.666716  0.666634  0.333359  1
  Si  Si54  1  0.666656  0.666694  0.666632  1
  Si  Si55  1  0.250330  0.083008  0.250334  1
  Si  Si56  1  0.250117  0.083191  0.583249  1
  Si  Si57  1  0.258400  0.074941  0.908273  1
  Si  Si58  1  0.258393  0.425052  0.258394  1
  Si  Si59  1  0.250123  0.416776  0.583441  1
  Si  Si60  1  0.250330  0.416994  0.916338  1
  Si  Si61  1  0.250131  0.750102  0.250131  1
  Si  Si62  1  0.250283  0.749981  0.583334  1
  Si  Si63  1  0.250112  0.749907  0.916548  1
  Si  Si64  1  0.583236  0.083217  0.250098  1
  Si  Si65  1  0.583337  0.083053  0.583334  1
  Si  Si66  1  0.583420  0.083216  0.916504  1
  Si  Si67  1  0.583442  0.416781  0.250129  1
  Si  Si68  1  0.583350  0.416938  0.583307  1
  Si  Si69  1  0.583252  0.416841  0.916533  1
  Si  Si70  1  0.583338  0.750029  0.250271  1
  Si  Si71  1  0.583334  0.750026  0.583224  1
  Si  Si72  1  0.583346  0.749983  0.916387  1
  Si  Si73  1  0.908281  0.074943  0.258396  1
  Si  Si74  1  0.916528  0.083175  0.583438  1
  Si  Si75  1  0.916335  0.083010  0.916342  1
  Si  Si76  1  0.916354  0.416991  0.250330  1
  Si  Si77  1  0.916527  0.416787  0.583243  1
  Si  Si78  1  0.908277  0.425065  0.908273  1
  Si  Si79  1  0.916527  0.749895  0.250145  1
  Si  Si80  1  0.916390  0.750006  0.583331  1
  Si  Si81  1  0.916535  0.750109  0.916542  1
  Si  Si82  1  0.989901  0.156578  0.176765  1
  Si  Si83  1  0.999829  0.166497  0.500474  1
  Si  Si84  1  0.998331  0.164986  0.831077  1
  Si  Si85  1  0.998343  0.502252  0.168334  1
  Si  Si86  1  0.999936  0.500394  0.500448  1
  Si  Si87  1  0.000417  0.502621  0.830727  1
  Si  Si88  1  0.999825  0.832889  0.166852  1
  Si  Si89  1  0.999970  0.832624  0.500694  1
  Si  Si90  1  0.999939  0.832911  0.832937  1
  Si  Si91  1  0.335599  0.164993  0.168344  1
  Si  Si92  1  0.333730  0.166591  0.500445  1
  Si  Si93  1  0.335940  0.167087  0.830713  1
  Si  Si94  1  0.335935  0.502614  0.166248  1
  Si  Si95  1  0.333486  0.500141  0.500327  1
  Si  Si96  1  0.333618  0.500281  0.833053  1
  Si  Si97  1  0.333736  0.832909  0.166730  1
  Si  Si98  1  0.333368  0.833374  0.499963  1
  Si  Si99  1  0.333491  0.833010  0.833185  1
  Si  Si100  1  0.666157  0.166571  0.166756  1
  Si  Si101  1  0.665972  0.166619  0.500698  1
  Si  Si102  1  0.666236  0.166622  0.832921  1
  Si  Si103  1  0.666237  0.500407  0.166742  1
  Si  Si104  1  0.666732  0.500038  0.499941  1
  Si  Si105  1  0.666358  0.500184  0.833154  1
  Si  Si106  1  0.665974  0.832654  0.166690  1
  Si  Si107  1  0.666691  0.833369  0.499952  1
  Si  Si108  1  0.666717  0.833379  0.833301  1
  Si  Si109  1  0.083340  0.249999  0.257578  1
  Si  Si110  1  0.083244  0.249939  0.583357  1
  Si  Si111  1  0.083335  0.249992  0.909091  1
  Si  Si112  1  0.083615  0.584342  0.250583  1
  Si  Si113  1  0.083319  0.583753  0.583361  1
  Si  Si114  1  0.083050  0.584370  0.916098  1
  Si  Si115  1  0.083063  0.915651  0.250599  1
  Si  Si116  1  0.083336  0.916228  0.583335  1
  Si  Si117  1  0.083608  0.915649  0.916106  1
  Si  Si118  1  0.417700  0.250274  0.250579  1
  Si  Si119  1  0.417093  0.249990  0.583334  1
  Si  Si120  1  0.417680  0.249730  0.916075  1
  Si  Si121  1  0.418145  0.584810  0.250406  1
  Si  Si122  1  0.416738  0.583380  0.583508  1
  Si  Si123  1  0.416721  0.583390  0.916779  1
  Si  Si124  1  0.416727  0.916607  0.249901  1
  Si  Si125  1  0.416732  0.916600  0.583169  1
  Si  Si126  1  0.418150  0.915186  0.916264  1
  Si  Si127  1  0.748973  0.249721  0.250566  1
  Si  Si128  1  0.749577  0.249979  0.583349  1
  Si  Si129  1  0.748988  0.250289  0.916081  1
  Si  Si130  1  0.749946  0.583397  0.249904  1
  Si  Si131  1  0.749935  0.583413  0.583164  1
  Si  Si132  1  0.748521  0.584822  0.916272  1
  Si  Si133  1  0.748520  0.915198  0.250397  1
  Si  Si134  1  0.749933  0.916600  0.583509  1
  Si  Si135  1  0.749936  0.916620  0.916775  1
  Si  Si136  1  0.168335  0.997746  0.168346  1
  Si  Si137  1  0.166731  0.999588  0.500436  1
  Si  Si138  1  0.166253  0.997379  0.830732  1
  Si  Si139  1  0.176766  0.343418  0.176742  1
  Si  Si140  1  0.166767  0.333424  0.500528  1
  Si  Si141  1  0.168342  0.334999  0.831078  1
  Si  Si142  1  0.166791  0.667162  0.166814  1
  Si  Si143  1  0.166695  0.667341  0.500717  1
  Si  Si144  1  0.166723  0.667103  0.832931  1
  Si  Si145  1  0.500439  0.999584  0.166718  1
  Si  Si146  1  0.499953  0.999966  0.499957  1
  Si  Si147  1  0.500314  0.999836  0.833160  1
  Si  Si148  1  0.500504  0.333456  0.166780  1
  Si  Si149  1  0.500700  0.333359  0.500691  1
  Si  Si150  1  0.500449  0.333414  0.832940  1
  Si  Si151  1  0.500684  0.667384  0.166721  1
  Si  Si152  1  0.499982  0.666642  0.499965  1
  Si  Si153  1  0.499960  0.666606  0.833300  1
  Si  Si154  1  0.830716  0.997406  0.166247  1
  Si  Si155  1  0.833169  0.999827  0.500317  1
  Si  Si156  1  0.833052  0.999719  0.833056  1
  Si  Si157  1  0.831080  0.335006  0.168346  1
  Si  Si158  1  0.832933  0.333375  0.500445  1
  Si  Si159  1  0.830730  0.332920  0.830719  1
  Si  Si160  1  0.832933  0.667098  0.166730  1
  Si  Si161  1  0.833309  0.666619  0.499952  1
  Si  Si162  1  0.833170  0.666994  0.833180  1
  Si  Si163  1  0.083317  0.075756  0.083348  1
  Si  Si164  1  0.083061  0.082755  0.417691  1
  Si  Si165  1  0.083611  0.082741  0.748991  1
  Si  Si166  1  0.083350  0.424241  0.083316  1
  Si  Si167  1  0.083616  0.417229  0.417712  1
  Si  Si168  1  0.083059  0.417243  0.748991  1
  Si  Si169  1  0.083276  0.750048  0.083418  1
  Si  Si170  1  0.083337  0.749984  0.417095  1
  Si  Si171  1  0.083336  0.750014  0.749581  1
  Si  Si172  1  0.417692  0.082757  0.083062  1
  Si  Si173  1  0.416720  0.083432  0.416735  1
  Si  Si174  1  0.418151  0.082935  0.748514  1
  Si  Si175  1  0.417681  0.417238  0.083618  1
  Si  Si176  1  0.418152  0.417067  0.418149  1
  Si  Si177  1  0.416744  0.416569  0.749946  1
  Si  Si178  1  0.417090  0.750011  0.083329  1
  Si  Si179  1  0.416718  0.750169  0.416724  1
  Si  Si180  1  0.416752  0.749834  0.749935  1
  Si  Si181  1  0.748977  0.082777  0.083605  1
  Si  Si182  1  0.748520  0.082925  0.418145  1
  Si  Si183  1  0.749936  0.083433  0.749950  1
  Si  Si184  1  0.748990  0.417255  0.083066  1
  Si  Si185  1  0.749975  0.416548  0.416729  1
  Si  Si186  1  0.748523  0.417071  0.748514  1
  Si  Si187  1  0.749574  0.749997  0.083335  1
  Si  Si188  1  0.749950  0.749831  0.416722  1
  Si  Si189  1  0.749922  0.750167  0.749921  1
  Si  Si190  1  0.176750  0.156564  0.989909  1
  Si  Si191  1  0.168344  0.164999  0.335598  1
  Si  Si192  1  0.166784  0.166520  0.666187  1
  Si  Si193  1  0.168343  0.502269  0.998319  1
  Si  Si194  1  0.166247  0.502594  0.335955  1
  Si  Si195  1  0.166735  0.500399  0.666246  1
  Si  Si196  1  0.166777  0.832841  0.999897  1
  Si  Si197  1  0.166736  0.832896  0.333750  1
  Si  Si198  1  0.166719  0.832628  0.665967  1
  Si  Si199  1  0.500468  0.166524  0.999834  1
  Si  Si200  1  0.500434  0.166590  0.333737  1
  Si  Si201  1  0.500705  0.166625  0.665970  1
  Si  Si202  1  0.500426  0.500406  0.999950  1
  Si  Si203  1  0.500322  0.500144  0.333478  1
  Si  Si204  1  0.499972  0.500021  0.666702  1
  Si  Si205  1  0.500708  0.832632  0.999946  1
  Si  Si206  1  0.499951  0.833381  0.333371  1
  Si  Si207  1  0.500006  0.833329  0.666647  1
  Si  Si208  1  0.831076  0.165008  0.998324  1
  Si  Si209  1  0.830715  0.167083  0.335939  1
  Si  Si210  1  0.832931  0.166583  0.666244  1
  Si  Si211  1  0.830729  0.502613  0.000421  1
  Si  Si212  1  0.833064  0.500277  0.333614  1
  Si  Si213  1  0.833176  0.500167  0.666348  1
  Si  Si214  1  0.832921  0.832905  0.999939  1
  Si  Si215  1  0.833178  0.833024  0.333487  1
  Si  Si216  1  0.833303  0.833381  0.666717  1
  Pb  Pb217  1  0.083331  0.250000  0.083322  1