# generated using pymatgen
data_Si216C
_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   Si216C
_chemical_formula_sum   'Si216 C1'
_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  0.253855  0.251677  0.081867  1
  Si  Si2  1  0.253621  0.250247  0.418528  1
  Si  Si3  1  0.250019  0.250172  0.750108  1
  Si  Si4  1  0.249894  0.583312  0.083184  1
  Si  Si5  1  0.249729  0.582977  0.416456  1
  Si  Si6  1  0.250065  0.583867  0.749686  1
  Si  Si7  1  0.253641  0.914751  0.083061  1
  Si  Si8  1  0.250597  0.916969  0.416459  1
  Si  Si9  1  0.249465  0.917037  0.750571  1
  Si  Si10  1  0.582969  0.250540  0.082782  1
  Si  Si11  1  0.583124  0.250195  0.417225  1
  Si  Si12  1  0.583237  0.250439  0.748137  1
  Si  Si13  1  0.583622  0.584921  0.082962  1
  Si  Si14  1  0.584202  0.583452  0.416502  1
  Si  Si15  1  0.583889  0.583618  0.749842  1
  Si  Si16  1  0.583020  0.916078  0.083073  1
  Si  Si17  1  0.583191  0.915957  0.417519  1
  Si  Si18  1  0.584229  0.916868  0.749857  1
  Si  Si19  1  0.902145  0.256308  0.076020  1
  Si  Si20  1  0.917927  0.248904  0.413886  1
  Si  Si21  1  0.917369  0.250143  0.750037  1
  Si  Si22  1  0.917394  0.583272  0.083195  1
  Si  Si23  1  0.917534  0.582503  0.415928  1
  Si  Si24  1  0.917418  0.583491  0.749901  1
  Si  Si25  1  0.917422  0.919846  0.085173  1
  Si  Si26  1  0.917292  0.917597  0.415563  1
  Si  Si27  1  0.917519  0.917510  0.751026  1
  Si  Si28  1  0.002037  0.011789  0.011457  1
  Si  Si29  1  0.000222  0.001610  0.331751  1
  Si  Si30  1  0.000533  0.000417  0.666870  1
  Si  Si31  1  0.000218  0.331988  0.001344  1
  Si  Si32  1  0.003278  0.324398  0.324068  1
  Si  Si33  1  0.000607  0.333371  0.666339  1
  Si  Si34  1  0.000546  0.667251  0.000095  1
  Si  Si35  1  0.000586  0.666682  0.333065  1
  Si  Si36  1  0.000808  0.666960  0.666672  1
  Si  Si37  1  0.334825  0.999856  0.999539  1
  Si  Si38  1  0.336065  0.999241  0.334225  1
  Si  Si39  1  0.332810  0.000174  0.666803  1
  Si  Si40  1  0.336100  0.334594  0.998925  1
  Si  Si41  1  0.334814  0.333850  0.333503  1
  Si  Si42  1  0.332997  0.333550  0.666398  1
  Si  Si43  1  0.332794  0.667085  0.999794  1
  Si  Si44  1  0.332985  0.666661  0.333232  1
  Si  Si45  1  0.333894  0.666932  0.666574  1
  Si  Si46  1  0.665623  0.999711  0.999380  1
  Si  Si47  1  0.665380  0.999307  0.333991  1
  Si  Si48  1  0.668053  0.000121  0.667139  1
  Si  Si49  1  0.665421  0.334279  0.998978  1
  Si  Si50  1  0.665666  0.334039  0.333749  1
  Si  Si51  1  0.667953  0.333475  0.665848  1
  Si  Si52  1  0.668057  0.667436  0.999802  1
  Si  Si53  1  0.667948  0.666167  0.333164  1
  Si  Si54  1  0.667376  0.666886  0.666564  1
  Si  Si55  1  0.253842  0.082212  0.251316  1
  Si  Si56  1  0.249967  0.083592  0.582988  1
  Si  Si57  1  0.253669  0.083353  0.914398  1
  Si  Si58  1  0.253612  0.418874  0.249904  1
  Si  Si59  1  0.249769  0.416770  0.582684  1
  Si  Si60  1  0.250651  0.416825  0.916631  1
  Si  Si61  1  0.250039  0.750372  0.249784  1
  Si  Si62  1  0.250055  0.750063  0.583561  1
  Si  Si63  1  0.249489  0.750938  0.916688  1
  Si  Si64  1  0.582948  0.083109  0.250237  1
  Si  Si65  1  0.583644  0.083273  0.584595  1
  Si  Si66  1  0.583021  0.083390  0.915745  1
  Si  Si67  1  0.583172  0.417501  0.249881  1
  Si  Si68  1  0.584207  0.416794  0.583107  1
  Si  Si69  1  0.583214  0.417806  0.915656  1
  Si  Si70  1  0.583227  0.748456  0.250133  1
  Si  Si71  1  0.583892  0.750158  0.583293  1
  Si  Si72  1  0.584261  0.750193  0.916575  1
  Si  Si73  1  0.902163  0.076292  0.256116  1
  Si  Si74  1  0.917371  0.083533  0.582905  1
  Si  Si75  1  0.917423  0.085469  0.919508  1
  Si  Si76  1  0.917920  0.414207  0.248561  1
  Si  Si77  1  0.917526  0.416228  0.582188  1
  Si  Si78  1  0.917326  0.415839  0.917345  1
  Si  Si79  1  0.917333  0.750370  0.249826  1
  Si  Si80  1  0.917382  0.750155  0.583228  1
  Si  Si81  1  0.917485  0.751354  0.917173  1
  Si  Si82  1  0.958844  0.157780  0.157528  1
  Si  Si83  1  0.000460  0.166610  0.499003  1
  Si  Si84  1  0.000329  0.166989  0.833890  1
  Si  Si85  1  0.000446  0.499340  0.166277  1
  Si  Si86  1  0.001352  0.497273  0.496965  1
  Si  Si87  1  0.000245  0.499781  0.833549  1
  Si  Si88  1  0.000313  0.834225  0.166678  1
  Si  Si89  1  0.000191  0.833806  0.499492  1
  Si  Si90  1  0.001437  0.836830  0.836514  1
  Si  Si91  1  0.334711  0.166788  0.166437  1
  Si  Si92  1  0.335304  0.166494  0.501267  1
  Si  Si93  1  0.335338  0.167149  0.831691  1
  Si  Si94  1  0.335267  0.501644  0.166158  1
  Si  Si95  1  0.333531  0.500159  0.499835  1
  Si  Si96  1  0.333426  0.500506  0.832975  1
  Si  Si97  1  0.335331  0.832019  0.166803  1
  Si  Si98  1  0.333381  0.833344  0.500167  1
  Si  Si99  1  0.333318  0.833605  0.833244  1
  Si  Si100  1  0.665154  0.166715  0.166408  1
  Si  Si101  1  0.665459  0.166844  0.501435  1
  Si  Si102  1  0.664828  0.166606  0.830803  1
  Si  Si103  1  0.665446  0.501775  0.166531  1
  Si  Si104  1  0.667561  0.499998  0.499673  1
  Si  Si105  1  0.667714  0.500487  0.832845  1
  Si  Si106  1  0.664827  0.831159  0.166315  1
  Si  Si107  1  0.667716  0.833169  0.500192  1
  Si  Si108  1  0.667597  0.833705  0.833368  1
  Si  Si109  1  0.097597  0.242621  0.242294  1
  Si  Si110  1  0.083717  0.249970  0.582637  1
  Si  Si111  1  0.084118  0.249277  0.917639  1
  Si  Si112  1  0.083694  0.582957  0.249667  1
  Si  Si113  1  0.083407  0.582387  0.582071  1
  Si  Si114  1  0.083652  0.583447  0.916780  1
  Si  Si115  1  0.084098  0.917957  0.248972  1
  Si  Si116  1  0.083612  0.917083  0.583071  1
  Si  Si117  1  0.082713  0.923034  0.922709  1
  Si  Si118  1  0.417517  0.250255  0.249890  1
  Si  Si119  1  0.417316  0.250188  0.584019  1
  Si  Si120  1  0.418134  0.250563  0.915415  1
  Si  Si121  1  0.417350  0.584309  0.249879  1
  Si  Si122  1  0.417157  0.583449  0.583108  1
  Si  Si123  1  0.416513  0.584107  0.916459  1
  Si  Si124  1  0.418137  0.915752  0.250207  1
  Si  Si125  1  0.416450  0.916817  0.583807  1
  Si  Si126  1  0.417399  0.916489  0.916187  1
  Si  Si127  1  0.747496  0.250326  0.250038  1
  Si  Si128  1  0.751271  0.249921  0.582448  1
  Si  Si129  1  0.745923  0.251000  0.913012  1
  Si  Si130  1  0.751289  0.582807  0.249567  1
  Si  Si131  1  0.750748  0.583394  0.583145  1
  Si  Si132  1  0.751121  0.583777  0.916421  1
  Si  Si133  1  0.745921  0.913336  0.250750  1
  Si  Si134  1  0.751124  0.916719  0.583502  1
  Si  Si135  1  0.750814  0.917312  0.916953  1
  Si  Si136  1  0.173129  0.997050  0.167719  1
  Si  Si137  1  0.166576  0.000393  0.499084  1
  Si  Si138  1  0.166885  0.000695  0.834434  1
  Si  Si139  1  0.172819  0.336331  0.165714  1
  Si  Si140  1  0.167243  0.332903  0.498920  1
  Si  Si141  1  0.166674  0.333355  0.833947  1
  Si  Si142  1  0.166732  0.666901  0.166519  1
  Si  Si143  1  0.166894  0.666714  0.499871  1
  Si  Si144  1  0.166760  0.667126  0.833333  1
  Si  Si145  1  0.500371  0.999679  0.166519  1
  Si  Si146  1  0.500769  0.999715  0.501175  1
  Si  Si147  1  0.500180  0.999871  0.832529  1
  Si  Si148  1  0.500390  0.334000  0.166470  1
  Si  Si149  1  0.500191  0.333705  0.500439  1
  Si  Si150  1  0.500750  0.334015  0.831964  1
  Si  Si151  1  0.500226  0.666652  0.166489  1
  Si  Si152  1  0.500582  0.666742  0.499835  1
  Si  Si153  1  0.500532  0.667014  0.833280  1
  Si  Si154  1  0.826353  0.995817  0.166706  1
  Si  Si155  1  0.833799  0.000211  0.499701  1
  Si  Si156  1  0.835079  0.001147  0.834976  1
  Si  Si157  1  0.827677  0.336910  0.167081  1
  Si  Si158  1  0.834935  0.332682  0.498125  1
  Si  Si159  1  0.833571  0.333405  0.833035  1
  Si  Si160  1  0.834226  0.666885  0.166452  1
  Si  Si161  1  0.834431  0.666209  0.499781  1
  Si  Si162  1  0.834504  0.667476  0.833360  1
  Si  Si163  1  0.099142  0.092676  0.092296  1
  Si  Si164  1  0.084163  0.084443  0.415197  1
  Si  Si165  1  0.083704  0.083734  0.750540  1
  Si  Si166  1  0.084132  0.415489  0.084140  1
  Si  Si167  1  0.083400  0.411633  0.411338  1
  Si  Si168  1  0.083770  0.416711  0.749960  1
  Si  Si169  1  0.083716  0.750898  0.083419  1
  Si  Si170  1  0.083751  0.750304  0.416388  1
  Si  Si171  1  0.083291  0.751653  0.751349  1
  Si  Si172  1  0.417600  0.083424  0.083057  1
  Si  Si173  1  0.418243  0.083146  0.417655  1
  Si  Si174  1  0.417435  0.083487  0.748880  1
  Si  Si175  1  0.418248  0.418033  0.082851  1
  Si  Si176  1  0.417439  0.417146  0.416797  1
  Si  Si177  1  0.416561  0.417069  0.749342  1
  Si  Si178  1  0.417386  0.749174  0.083137  1
  Si  Si179  1  0.416496  0.749667  0.416749  1
  Si  Si180  1  0.417113  0.750388  0.750048  1
  Si  Si181  1  0.747724  0.083274  0.082999  1
  Si  Si182  1  0.747069  0.082721  0.418857  1
  Si  Si183  1  0.751353  0.083688  0.750489  1
  Si  Si184  1  0.747063  0.419158  0.082439  1
  Si  Si185  1  0.750793  0.416452  0.416089  1
  Si  Si186  1  0.751023  0.416947  0.749433  1
  Si  Si187  1  0.751325  0.750853  0.083327  1
  Si  Si188  1  0.750999  0.749732  0.416672  1
  Si  Si189  1  0.750784  0.750281  0.750006  1
  Si  Si190  1  0.173200  0.168053  0.996682  1
  Si  Si191  1  0.172815  0.166041  0.336024  1
  Si  Si192  1  0.166757  0.166861  0.666611  1
  Si  Si193  1  0.166542  0.499366  0.000047  1
  Si  Si194  1  0.167206  0.499218  0.332582  1
  Si  Si195  1  0.166898  0.500181  0.666379  1
  Si  Si196  1  0.166912  0.834781  0.000368  1
  Si  Si197  1  0.166675  0.834237  0.332971  1
  Si  Si198  1  0.166720  0.833656  0.666801  1
  Si  Si199  1  0.500380  0.166873  0.999301  1
  Si  Si200  1  0.500365  0.166824  0.333637  1
  Si  Si201  1  0.500259  0.166816  0.666309  1
  Si  Si202  1  0.500789  0.501479  0.999382  1
  Si  Si203  1  0.500256  0.500740  0.333382  1
  Si  Si204  1  0.500614  0.500170  0.666388  1
  Si  Si205  1  0.500175  0.832836  0.999580  1
  Si  Si206  1  0.500728  0.832288  0.333694  1
  Si  Si207  1  0.500504  0.833607  0.666655  1
  Si  Si208  1  0.826336  0.166961  0.995512  1
  Si  Si209  1  0.827676  0.167387  0.336618  1
  Si  Si210  1  0.834235  0.166830  0.666507  1
  Si  Si211  1  0.833816  0.499993  0.999937  1
  Si  Si212  1  0.834955  0.498474  0.332321  1
  Si  Si213  1  0.834472  0.500063  0.665955  1
  Si  Si214  1  0.835074  0.835345  0.000798  1
  Si  Si215  1  0.833532  0.833317  0.333118  1
  Si  Si216  1  0.834503  0.833657  0.667218  1
  C  C217  1  0.065863  0.167554  0.167243  1