# 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  0.257736  0.250000  0.083335  1
  Si  Si2  1  0.250631  0.250272  0.417731  1
  Si  Si3  1  0.250632  0.249728  0.748938  1
  Si  Si4  1  0.250632  0.584397  0.083609  1
  Si  Si5  1  0.250427  0.584826  0.418160  1
  Si  Si6  1  0.249956  0.583441  0.749894  1
  Si  Si7  1  0.250640  0.915610  0.083063  1
  Si  Si8  1  0.249955  0.916559  0.416775  1
  Si  Si9  1  0.250425  0.915173  0.748507  1
  Si  Si10  1  0.583325  0.249970  0.083281  1
  Si  Si11  1  0.583333  0.250001  0.417112  1
  Si  Si12  1  0.583334  0.250000  0.749556  1
  Si  Si13  1  0.583334  0.583779  0.083334  1
  Si  Si14  1  0.583493  0.583381  0.416714  1
  Si  Si15  1  0.583176  0.583380  0.749955  1
  Si  Si16  1  0.583334  0.916221  0.083335  1
  Si  Si17  1  0.583175  0.916619  0.416714  1
  Si  Si18  1  0.583493  0.916620  0.749954  1
  Si  Si19  1  0.908930  0.250001  0.083333  1
  Si  Si20  1  0.916035  0.249727  0.417730  1
  Si  Si21  1  0.916035  0.250273  0.748940  1
  Si  Si22  1  0.916036  0.584397  0.083061  1
  Si  Si23  1  0.916712  0.583441  0.416775  1
  Si  Si24  1  0.916241  0.584826  0.748508  1
  Si  Si25  1  0.916042  0.915598  0.083609  1
  Si  Si26  1  0.916242  0.915173  0.418161  1
  Si  Si27  1  0.916711  0.916559  0.749893  1
  Si  Si28  1  0.998287  0.997622  0.998287  1
  Si  Si29  1  0.000444  0.997367  0.335963  1
  Si  Si30  1  0.999895  0.999554  0.666233  1
  Si  Si31  1  0.990015  0.343317  0.990020  1
  Si  Si32  1  0.998287  0.335047  0.335712  1
  Si  Si33  1  0.999852  0.333476  0.666244  1
  Si  Si34  1  0.999868  0.667100  0.999859  1
  Si  Si35  1  0.999895  0.667101  0.333781  1
  Si  Si36  1  0.999958  0.667379  0.665955  1
  Si  Si37  1  0.335966  0.997370  0.000446  1
  Si  Si38  1  0.333650  0.999684  0.333651  1
  Si  Si39  1  0.333474  0.999860  0.666372  1
  Si  Si40  1  0.335712  0.335045  0.998285  1
  Si  Si41  1  0.335965  0.332890  0.335966  1
  Si  Si42  1  0.333780  0.333438  0.666233  1
  Si  Si43  1  0.333780  0.667100  0.999897  1
  Si  Si44  1  0.333473  0.666963  0.333473  1
  Si  Si45  1  0.333397  0.666632  0.666703  1
  Si  Si46  1  0.666232  0.999554  0.999896  1
  Si  Si47  1  0.666370  0.999861  0.333475  1
  Si  Si48  1  0.666700  0.999941  0.666701  1
  Si  Si49  1  0.666226  0.333461  0.999872  1
  Si  Si50  1  0.666233  0.333438  0.333780  1
  Si  Si51  1  0.665956  0.333375  0.665957  1
  Si  Si52  1  0.665955  0.667379  0.999958  1
  Si  Si53  1  0.666701  0.666632  0.333396  1
  Si  Si54  1  0.666707  0.666624  0.666712  1
  Si  Si55  1  0.250361  0.082973  0.250362  1
  Si  Si56  1  0.250147  0.083186  0.583270  1
  Si  Si57  1  0.258333  0.075000  0.908335  1
  Si  Si58  1  0.258336  0.425002  0.258337  1
  Si  Si59  1  0.250148  0.416814  0.583399  1
  Si  Si60  1  0.250360  0.417028  0.916308  1
  Si  Si61  1  0.250143  0.750063  0.250144  1
  Si  Si62  1  0.250307  0.750000  0.583335  1
  Si  Si63  1  0.250160  0.749932  0.916507  1
  Si  Si64  1  0.583269  0.083186  0.250149  1
  Si  Si65  1  0.583333  0.083028  0.583334  1
  Si  Si66  1  0.583397  0.083185  0.916519  1
  Si  Si67  1  0.583397  0.416815  0.250149  1
  Si  Si68  1  0.583334  0.416973  0.583335  1
  Si  Si69  1  0.583271  0.416815  0.916520  1
  Si  Si70  1  0.583333  0.750000  0.250308  1
  Si  Si71  1  0.583302  0.749982  0.583383  1
  Si  Si72  1  0.583333  0.750000  0.916362  1
  Si  Si73  1  0.908333  0.075000  0.258335  1
  Si  Si74  1  0.916518  0.083185  0.583398  1
  Si  Si75  1  0.916307  0.082972  0.916307  1
  Si  Si76  1  0.916306  0.417027  0.250362  1
  Si  Si77  1  0.916518  0.416816  0.583271  1
  Si  Si78  1  0.908331  0.425002  0.908332  1
  Si  Si79  1  0.916531  0.749939  0.250137  1
  Si  Si80  1  0.916360  0.750001  0.583335  1
  Si  Si81  1  0.916514  0.750065  0.916515  1
  Si  Si82  1  0.990014  0.156681  0.176655  1
  Si  Si83  1  0.999866  0.166537  0.500442  1
  Si  Si84  1  0.998290  0.164952  0.830957  1
  Si  Si85  1  0.998288  0.502377  0.168380  1
  Si  Si86  1  0.999896  0.500447  0.500436  1
  Si  Si87  1  0.000444  0.502629  0.830700  1
  Si  Si88  1  0.999903  0.832869  0.166763  1
  Si  Si89  1  0.999959  0.832621  0.500713  1
  Si  Si90  1  0.999896  0.832897  0.832887  1
  Si  Si91  1  0.335711  0.164956  0.168381  1
  Si  Si92  1  0.333781  0.166562  0.500435  1
  Si  Si93  1  0.335964  0.167112  0.830702  1
  Si  Si94  1  0.335967  0.502630  0.166223  1
  Si  Si95  1  0.333475  0.500141  0.500299  1
  Si  Si96  1  0.333650  0.500317  0.833017  1
  Si  Si97  1  0.333781  0.832897  0.166773  1
  Si  Si98  1  0.333396  0.833369  0.499966  1
  Si  Si99  1  0.333477  0.833036  0.833190  1
  Si  Si100  1  0.666224  0.166541  0.166794  1
  Si  Si101  1  0.665954  0.166625  0.500714  1
  Si  Si102  1  0.666233  0.166563  0.832888  1
  Si  Si103  1  0.666232  0.500447  0.166773  1
  Si  Si104  1  0.666700  0.500061  0.499968  1
  Si  Si105  1  0.666370  0.500141  0.833194  1
  Si  Si106  1  0.665954  0.832620  0.166710  1
  Si  Si107  1  0.666692  0.833360  0.499976  1
  Si  Si108  1  0.666702  0.833368  0.833272  1
  Si  Si109  1  0.083334  0.250001  0.257739  1
  Si  Si110  1  0.083281  0.250003  0.583368  1
  Si  Si111  1  0.083332  0.250000  0.908932  1
  Si  Si112  1  0.083609  0.584403  0.250626  1
  Si  Si113  1  0.083333  0.583780  0.583335  1
  Si  Si114  1  0.083063  0.584390  0.916029  1
  Si  Si115  1  0.083058  0.915596  0.250623  1
  Si  Si116  1  0.083333  0.916221  0.583336  1
  Si  Si117  1  0.083604  0.915613  0.916025  1
  Si  Si118  1  0.417730  0.250274  0.250634  1
  Si  Si119  1  0.417112  0.250001  0.583335  1
  Si  Si120  1  0.417730  0.249726  0.916035  1
  Si  Si121  1  0.418161  0.584827  0.250425  1
  Si  Si122  1  0.416713  0.583380  0.583492  1
  Si  Si123  1  0.416775  0.583441  0.916713  1
  Si  Si124  1  0.416774  0.916560  0.249957  1
  Si  Si125  1  0.416714  0.916620  0.583175  1
  Si  Si126  1  0.418161  0.915172  0.916243  1
  Si  Si127  1  0.748937  0.249728  0.250632  1
  Si  Si128  1  0.749555  0.250001  0.583335  1
  Si  Si129  1  0.748938  0.250273  0.916037  1
  Si  Si130  1  0.749893  0.583440  0.249956  1
  Si  Si131  1  0.749953  0.583381  0.583174  1
  Si  Si132  1  0.748506  0.584828  0.916243  1
  Si  Si133  1  0.748508  0.915175  0.250427  1
  Si  Si134  1  0.749951  0.916621  0.583492  1
  Si  Si135  1  0.749893  0.916559  0.916712  1
  Si  Si136  1  0.168381  0.997624  0.168380  1
  Si  Si137  1  0.166772  0.999553  0.500436  1
  Si  Si138  1  0.166221  0.997370  0.830700  1
  Si  Si139  1  0.176651  0.343316  0.176654  1
  Si  Si140  1  0.166776  0.333448  0.500459  1
  Si  Si141  1  0.168378  0.335049  0.830955  1
  Si  Si142  1  0.166786  0.667119  0.166778  1
  Si  Si143  1  0.166711  0.667379  0.500713  1
  Si  Si144  1  0.166770  0.667102  0.832887  1
  Si  Si145  1  0.500435  0.999554  0.166772  1
  Si  Si146  1  0.499964  0.999937  0.499965  1
  Si  Si147  1  0.500297  0.999860  0.833193  1
  Si  Si148  1  0.500444  0.333458  0.166792  1
  Si  Si149  1  0.500713  0.333377  0.500714  1
  Si  Si150  1  0.500435  0.333439  0.832887  1
  Si  Si151  1  0.500711  0.667378  0.166708  1
  Si  Si152  1  0.499960  0.666627  0.499964  1
  Si  Si153  1  0.499966  0.666633  0.833272  1
  Si  Si154  1  0.830703  0.997367  0.166224  1
  Si  Si155  1  0.833195  0.999862  0.500296  1
  Si  Si156  1  0.833017  0.999683  0.833018  1
  Si  Si157  1  0.830956  0.335049  0.168378  1
  Si  Si158  1  0.832887  0.333438  0.500435  1
  Si  Si159  1  0.830703  0.332888  0.830703  1
  Si  Si160  1  0.832887  0.667103  0.166773  1
  Si  Si161  1  0.833272  0.666633  0.499966  1
  Si  Si162  1  0.833193  0.666963  0.833192  1
  Si  Si163  1  0.083335  0.075596  0.083332  1
  Si  Si164  1  0.083063  0.082702  0.417730  1
  Si  Si165  1  0.083609  0.082701  0.748937  1
  Si  Si166  1  0.083333  0.424402  0.083334  1
  Si  Si167  1  0.083608  0.417299  0.417729  1
  Si  Si168  1  0.083061  0.417298  0.748937  1
  Si  Si169  1  0.083377  0.750002  0.083238  1
  Si  Si170  1  0.083334  0.749999  0.417112  1
  Si  Si171  1  0.083333  0.749999  0.749555  1
  Si  Si172  1  0.417729  0.082702  0.083061  1
  Si  Si173  1  0.416774  0.083378  0.416774  1
  Si  Si174  1  0.418160  0.082908  0.748507  1
  Si  Si175  1  0.417729  0.417297  0.083606  1
  Si  Si176  1  0.418159  0.417093  0.418160  1
  Si  Si177  1  0.416774  0.416622  0.749894  1
  Si  Si178  1  0.417112  0.750000  0.083334  1
  Si  Si179  1  0.416714  0.750160  0.416714  1
  Si  Si180  1  0.416714  0.749843  0.749954  1
  Si  Si181  1  0.748937  0.082701  0.083607  1
  Si  Si182  1  0.748506  0.082909  0.418160  1
  Si  Si183  1  0.749892  0.083378  0.749894  1
  Si  Si184  1  0.748937  0.417299  0.083060  1
  Si  Si185  1  0.749893  0.416622  0.416774  1
  Si  Si186  1  0.748507  0.417092  0.748508  1
  Si  Si187  1  0.749555  0.750001  0.083335  1
  Si  Si188  1  0.749953  0.749841  0.416714  1
  Si  Si189  1  0.749953  0.750160  0.749953  1
  Si  Si190  1  0.176653  0.156681  0.990016  1
  Si  Si191  1  0.168379  0.164952  0.335712  1
  Si  Si192  1  0.166786  0.166544  0.666225  1
  Si  Si193  1  0.168383  0.502380  0.998289  1
  Si  Si194  1  0.166222  0.502634  0.335962  1
  Si  Si195  1  0.166772  0.500447  0.666232  1
  Si  Si196  1  0.166820  0.832911  0.999843  1
  Si  Si197  1  0.166772  0.832900  0.333780  1
  Si  Si198  1  0.166709  0.832622  0.665955  1
  Si  Si199  1  0.500438  0.166535  0.999870  1
  Si  Si200  1  0.500435  0.166562  0.333781  1
  Si  Si201  1  0.500711  0.166626  0.665956  1
  Si  Si202  1  0.500434  0.500447  0.999896  1
  Si  Si203  1  0.500296  0.500141  0.333474  1
  Si  Si204  1  0.499965  0.500064  0.666704  1
  Si  Si205  1  0.500713  0.832622  0.999958  1
  Si  Si206  1  0.499965  0.833368  0.333396  1
  Si  Si207  1  0.499953  0.833377  0.666715  1
  Si  Si208  1  0.830955  0.164951  0.998289  1
  Si  Si209  1  0.830702  0.167113  0.335965  1
  Si  Si210  1  0.832888  0.166562  0.666233  1
  Si  Si211  1  0.830704  0.502633  0.000446  1
  Si  Si212  1  0.833017  0.500317  0.333651  1
  Si  Si213  1  0.833192  0.500140  0.666371  1
  Si  Si214  1  0.832888  0.832900  0.999897  1
  Si  Si215  1  0.833197  0.833039  0.333471  1
  Si  Si216  1  0.833270  0.833370  0.666700  1
  Pb  Pb217  1  0.083335  0.250005  0.083330  1