data_[Pm6Er3Sc3O18]
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
  Sc  1.3600  1.6000  0.8850
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8028]
_cell_length_b [5.8028]
_cell_length_c [14.8165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Pm2ErScO6]
_chemical_formula_sum '[Pm6 Er3 Sc3 O18]'
_cell_volume [432.0616]
_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
[
  Pm  Pm0  3  0.0000  0.0000  0.4658  1
  Pm  Pm1  3  0.0000  0.0000  0.9667  1
  Er  Er2  3  0.0000  0.0000  0.1899  1
  Sc  Sc3  3  0.0000  0.0000  0.6873  1
  O  O4  9  0.0600  0.3482  0.7533  1
  O  O5  9  0.0663  0.6990  0.2562  1
]