data_[Sm2Np2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Np  1.3600  1.7500  1.0000
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [3.8701]
_cell_length_b [4.0098]
_cell_length_c [9.0084]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.6997]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SmNpPt]
_chemical_formula_sum '[Sm2 Np2 Pt2]'
_cell_volume [138.1860]
_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  0.0667  0.7500  0.1946  1
  Np  Np1  2  0.3882  0.7500  0.5544  1
  Pt  Pt2  2  0.4627  0.7500  0.8875  1
]