data_[Ba6Y3Mg3Sb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [6.2524]
_cell_length_b [6.2524]
_cell_length_c [19.6230]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Ba2YMgSbO6]
_chemical_formula_sum '[Ba6 Y3 Mg3 Sb3 O18]'
_cell_volume [664.3334]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.1728  1
  Ba  Ba1  3  0.0000  0.0000  0.7212  1
  Y  Y2  3  0.0000  0.0000  0.9961  1
  Mg  Mg3  3  0.0000  0.0000  0.4031  1
  Sb  Sb4  3  0.0000  0.0000  0.5509  1
  O  O5  9  0.0190  0.5095  0.7402  1
  O  O6  9  0.0229  0.5115  0.2684  1
]