data_[Sm6Er3Sc3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  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 [5.7858]
_cell_length_b [5.7858]
_cell_length_c [14.8538]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Sm2ErScO6]
_chemical_formula_sum '[Sm6 Er3 Sc3 O18]'
_cell_volume [430.6252]
_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
[
  Sm  Sm0  3  0.0000  0.0000  0.4672  1.0
  Sm  Sm1  3  0.0000  0.0000  0.9683  1.0
  Er  Er2  3  0.0000  0.0000  0.1901  1.0
  Sc  Sc3  3  0.0000  0.0000  0.6873  1.0
  O  O4  9  0.0577  0.3492  0.7528  1.0
  O  O5  9  0.0638  0.6953  0.2557  1.0
]