data_[Rb3Pm3Sm12Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [8.7972]
_cell_length_b [8.7972]
_cell_length_c [21.6375]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [RbPm(SmSe2)4]
_chemical_formula_sum '[Rb3 Pm3 Sm12 Se24]'
_cell_volume [1450.1855]
_cell_formula_units_Z [3]
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
[
  Rb  Rb0  3  0.0000  0.0000  0.3741  1
  Pm  Pm1  3  0.0000  0.0000  0.0046  1
  Sm  Sm2  9  0.1725  0.3449  0.8318  1
  Sm  Sm3  3  0.0000  0.0000  0.6252  1
  Se  Se4  9  0.0452  0.5226  0.7563  1
  Se  Se5  9  0.1761  0.3522  0.5807  1
  Se  Se6  3  0.0000  0.0000  0.2323  1
  Se  Se7  3  0.0000  0.0000  0.7573  1
]