data_[Tb8Co8Si12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Co  1.8800  1.3500  0.7683
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0585]
_cell_length_b [17.2062]
_cell_length_c [6.6299]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tb2Co2Si3]
_chemical_formula_sum '[Tb8 Co8 Si12]'
_cell_volume [462.9739]
_cell_formula_units_Z [4]
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
[
  Tb  Tb0  4  0.0000  0.0541  0.2500  1
  Tb  Tb1  4  0.0000  0.1600  0.7500  1
  Co  Co2  8  0.0000  0.3065  0.5560  1
  Si  Si3  8  0.0000  0.4356  0.0673  1
  Si  Si4  4  0.0000  0.2229  0.2500  1
]