data_[Ba4Lu2Mg2Nb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Lu  1.2700  1.7500  1.0010
  Mg  1.3100  1.5000  0.8600
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.9108]
_cell_length_b [6.2334]
_cell_length_c [9.2340]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ba2LuMgNbO6]
_chemical_formula_sum '[Ba4 Lu2 Mg2 Nb2 O12]'
_cell_volume [340.2215]
_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
[
  Ba  Ba0  4  0.0000  0.5000  0.3102  1
  Lu  Lu1  2  0.0000  0.0000  0.5000  1
  Mg  Mg2  2  0.0000  0.5000  0.0000  1
  Nb  Nb3  2  0.0000  0.0000  0.0000  1
  O  O4  8  0.2330  0.2646  0.0000  1
  O  O5  4  0.0000  0.0000  0.2378  1
]