data_[Tm12Co8Si12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Co  1.8800  1.3500  0.7683
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0548]
_cell_length_b [10.2126]
_cell_length_c [13.3946]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tm3Co2Si3]
_chemical_formula_sum '[Tm12 Co8 Si12]'
_cell_volume [554.6683]
_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
[
  Tm  Tm0  8  0.0000  0.0813  0.6119  1.0
  Tm  Tm1  4  0.0000  0.3620  0.7500  1.0
  Co  Co2  8  0.0000  0.2125  0.0830  1.0
  Si  Si3  8  0.0000  0.3812  0.5395  1.0
  Si  Si4  4  0.0000  0.3321  0.2500  1.0
]