data_1251326
_chemical_formula_sum 'C50 Si50'
_symmetry_cell_setting hexagonal
_symmetry_space_group_name_H-M 'P 63 m c'
_symmetry_Int_Tables_number 186
_cell_length_a 3.08
_cell_length_b 3.08
_cell_length_c 10.081
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 82.82
_cell_formula_units_Z 4
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_type_symbol
_atom_site_occupancy
Si 0.333333 0.666667 0.25 Si 0
C 0.333333 0.666667 0.4375 C 0
Si 0 0 0 Si 0
C 0 0 0.1875 C 0