data_[Tb4Sm4Si8Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.7926]
_cell_length_b [4.2486]
_cell_length_c [10.2165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.2326]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbSmSi2Ru]
_chemical_formula_sum '[Tb4 Sm4 Si8 Ru4]'
_cell_volume [408.7995]
_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  0.0039  0.0000  0.1757  1
  Sm  Sm1  4  0.1888  0.0000  0.6096  1
  Si  Si2  4  0.0007  0.5000  0.3744  1
  Si  Si3  4  0.1476  0.5000  0.0614  1
  Ru  Ru4  4  0.2292  0.5000  0.8771  1
]