data_[Ce1Sm1Pt1Se1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sm  1.1700  1.8500  1.2290
  Pt  2.2800  1.3500  0.8050
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.1027]
_cell_length_b [4.1027]
_cell_length_c [6.1213]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [CeSmPtSe]
_chemical_formula_sum '[Ce1 Sm1 Pt1 Se1]'
_cell_volume [103.0363]
_cell_formula_units_Z [1]
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
[
  Ce  Ce0  1  0.0000  0.0000  0.5000  1
  Sm  Sm1  1  0.5000  0.5000  0.0000  1
  Pt  Pt2  1  0.5000  0.5000  0.5000  1
  Se  Se3  1  0.0000  0.0000  0.0000  1
]