data_[Rb8Lu4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Lu  1.2700  1.7500  1.0010
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.1868]
_cell_length_b [11.6364]
_cell_length_c [6.6714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.6506]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2LuO3]
_chemical_formula_sum '[Rb8 Lu4 O12]'
_cell_volume [462.4790]
_cell_formula_units_Z [4]
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  4  0.0000  0.3357  0.0000  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  Rb  Rb2  2  0.0000  0.5000  0.5000  1
  Lu  Lu3  4  0.0000  0.1936  0.5000  1
  O  O4  8  0.2460  0.2002  0.3037  1
  O  O5  4  0.0858  0.0000  0.6077  1
]