data_[Rb1Pm1Eu2]
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
  Eu  1.2000  1.8500  1.1985
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.9158]
_cell_length_b [3.9158]
_cell_length_c [12.4495]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [RbPmEu2]
_chemical_formula_sum '[Rb1 Pm1 Eu2]'
_cell_volume [190.8908]
_cell_formula_units_Z [1]
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  1  0.5000  0.5000  0.5000  1
  Pm  Pm1  1  0.5000  0.5000  0.0000  1
  Eu  Eu2  2  0.0000  0.0000  0.2039  1
]