data_[Rb8Zr4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zr  1.3300  1.5500  0.8600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [6.8030]
_cell_length_b [13.1395]
_cell_length_c [5.9323]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.4919]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Rb2ZrO3]
_chemical_formula_sum '[Rb8 Zr4 O12]'
_cell_volume [526.8757]
_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  0.0365  0.5857  0.5354  1.0
  Rb  Rb1  4  0.4809  0.2613  0.0191  1.0
  Zr  Zr2  4  0.0427  0.0518  0.0360  1.0
  O  O3  4  0.0540  0.2015  0.0354  1.0
  O  O4  4  0.2353  0.0205  0.7811  1.0
  O  O5  4  0.3493  0.4776  0.7907  1.0
]