data_[Sm4Cu2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cu  1.9000  1.3500  0.8200
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.6676]
_cell_length_b [4.5527]
_cell_length_c [7.7175]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.9737]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Sm2CuPt]
_chemical_formula_sum '[Sm4 Cu2 Pt2]'
_cell_volume [187.1570]
_cell_formula_units_Z [2]
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
[
  Sm  Sm0  2  0.2220  0.2500  0.4342  1
  Sm  Sm1  2  0.2245  0.2500  0.9280  1
  Cu  Cu2  2  0.3466  0.7500  0.2097  1
  Pt  Pt3  2  0.3450  0.7500  0.7125  1
]