data_[Pm4U2In6Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  U  1.3800  1.7500  0.9913
  In  1.7800  1.5500  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.3196]
_cell_length_b [12.6684]
_cell_length_c [8.1302]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4426]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2U(InSe2)3]
_chemical_formula_sum '[Pm4 U2 In6 Se12]'
_cell_volume [719.2283]
_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
[
  Pm  Pm0  4  0.0000  0.3334  0.0000  1
  U  U1  2  0.0000  0.0000  0.0000  1
  In  In2  4  0.0000  0.1679  0.5000  1
  In  In3  2  0.0000  0.5000  0.5000  1
  Se  Se4  8  0.2341  0.1634  0.2121  1
  Se  Se5  4  0.2447  0.5000  0.2139  1
]