data_[Pm2Er6Cd12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.1574]
_cell_length_b [5.1791]
_cell_length_c [11.0838]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.1747]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm(ErCd2)3]
_chemical_formula_sum '[Pm2 Er6 Cd12]'
_cell_volume [504.8663]
_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  2  0.0587  0.2500  0.3896  1
  Er  Er1  2  0.2400  0.2500  0.9992  1
  Er  Er2  2  0.3512  0.7500  0.7989  1
  Er  Er3  2  0.4700  0.2500  0.6070  1
  Cd  Cd4  2  0.0540  0.7500  0.9060  1
  Cd  Cd5  2  0.1454  0.7500  0.1977  1
  Cd  Cd6  2  0.1596  0.2500  0.6982  1
  Cd  Cd7  2  0.2505  0.7500  0.5050  1
  Cd  Cd8  2  0.3505  0.2500  0.2920  1
  Cd  Cd9  2  0.4522  0.7500  0.0964  1
]