data_[Rb2La2Mg2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  La  1.1000  1.9500  1.1720
  Mg  1.3100  1.5000  0.8600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.9634]
_cell_length_b [3.7391]
_cell_length_c [8.6022]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.4535]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbLaMgO3]
_chemical_formula_sum '[Rb2 La2 Mg2 O6]'
_cell_volume [250.1158]
_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  0.1758  0.7500  0.1907  1
  La  La1  2  0.3493  0.2500  0.8470  1
  Mg  Mg2  2  0.0857  0.7500  0.6020  1
  O  O3  2  0.1468  0.2500  0.5475  1
  O  O4  2  0.1505  0.7500  0.8357  1
  O  O5  2  0.4482  0.2500  0.1249  1
]