data_[Na3Er3Sc12O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [R3m]
_cell_length_a [6.3819]
_cell_length_b [6.3819]
_cell_length_c [15.6815]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaErSc4O8]
_chemical_formula_sum '[Na3 Er3 Sc12 O24]'
_cell_volume [553.1218]
_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
[
  Na  Na0  3  0.0000  0.0000  0.9991  1.0
  Er  Er1  3  0.0000  0.0000  0.3802  1.0
  Sc  Sc2  9  0.1677  0.3354  0.8331  1.0
  Sc  Sc3  3  0.0000  0.0000  0.6195  1.0
  O  O4  9  0.0223  0.5112  0.7626  1.0
  O  O5  9  0.1690  0.3380  0.5726  1.0
  O  O6  3  0.0000  0.0000  0.2400  1.0
  O  O7  3  0.0000  0.0000  0.7563  1.0
]