data_[Rb2Ca2Os2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [5.8453]
_cell_length_b [10.2890]
_cell_length_c [5.7610]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.8400]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [RbCaOsO6]
_chemical_formula_sum '[Rb2 Ca2 Os2 O12]'
_cell_volume [346.4406]
_cell_formula_units_Z [2]
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  2  0.0000  0.9959  0.0000  1.0
  Ca  Ca1  2  0.0000  0.6778  0.5000  1.0
  Os  Os2  2  0.0000  0.3188  0.5000  1.0
  O  O3  4  0.1039  0.4749  0.3448  1.0
  O  O4  4  0.1559  0.2167  0.2982  1.0
  O  O5  4  0.2451  0.8118  0.3065  1.0
]