data_[B10C10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  B  2.0400  0.8500  0.4100
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [2.4769]
_cell_length_b [2.4769]
_cell_length_c [21.6143]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [BC]
_chemical_formula_sum '[B10 C10]'
_cell_volume [132.6064]
_cell_formula_units_Z [10]
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
[
  B  B0  4  0.0000  0.0000  0.3104  1
  B  B1  4  0.0000  0.5000  0.0480  1
  B  B2  2  0.0000  0.5000  0.2500  1
  C  C3  4  0.0000  0.0000  0.1007  1
  C  C4  4  0.0000  0.5000  0.6389  1
  C  C5  2  0.0000  0.0000  0.5000  1
]