data_[Pm4Sm6Sc2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Sc  1.3600  1.6000  0.8850
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.9934]
_cell_length_b [4.1226]
_cell_length_c [8.3133]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.1128]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Sm3ScSe6]
_chemical_formula_sum '[Pm4 Sm6 Sc2 Se12]'
_cell_volume [600.5936]
_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  0.1673  0.0000  0.3342  1
  Sm  Sm1  4  0.1719  0.0000  0.8357  1
  Sm  Sm2  2  0.0000  0.5000  0.5000  1
  Sc  Sc3  2  0.0000  0.5000  0.0000  1
  Se  Se4  4  0.0025  0.0000  0.7668  1
  Se  Se5  4  0.1580  0.5000  0.0776  1
  Se  Se6  4  0.1654  0.5000  0.5846  1
]