data_[La8Tm4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6136]
_cell_length_b [4.4183]
_cell_length_c [10.9090]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.6479]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La2TmSi2]
_chemical_formula_sum '[La8 Tm4 Si8]'
_cell_volume [538.5440]
_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
[
  La  La0  4  0.0157  0.5000  0.6884  1.0
  La  La1  4  0.1796  0.5000  0.0931  1.0
  Tm  Tm2  4  0.2265  0.0000  0.3711  1.0
  Si  Si3  4  0.0047  0.0000  0.8925  1.0
  Si  Si4  4  0.1108  0.0000  0.5530  1.0
]