data_[Rb8Pm4Al4Te16]
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
  Al  1.6100  1.2500  0.6750
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [9.0511]
_cell_length_b [9.6236]
_cell_length_c [13.3422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Rb2PmAlTe4]
_chemical_formula_sum '[Rb8 Pm4 Al4 Te16]'
_cell_volume [1162.1620]
_cell_formula_units_Z [4]
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  4  0.0000  0.0000  0.0000  1
  Rb  Rb1  4  0.2500  0.2500  0.2500  1
  Pm  Pm2  4  0.0000  0.0000  0.5000  1
  Al  Al3  4  0.2500  0.2500  0.7500  1
  Te  Te4  8  0.0000  0.0535  0.7394  1
  Te  Te5  8  0.2276  0.2500  0.5254  1
]