data_[Mg8Bi4As4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Bi  2.0200  1.6000  1.0350
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [8.0097]
_cell_length_b [12.4866]
_cell_length_c [5.4671]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Mg2BiAsO6]
_chemical_formula_sum '[Mg8 Bi4 As4 O24]'
_cell_volume [546.7875]
_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
[
  Mg  Mg0  8  0.1962  0.0925  0.7500  1.0
  Bi  Bi1  4  0.0000  0.4081  0.7500  1.0
  As  As2  4  0.0000  0.1980  0.2500  1.0
  O  O3  8  0.0000  0.1173  0.5071  1.0
  O  O4  8  0.1703  0.5000  0.0000  1.0
  O  O5  8  0.1772  0.2722  0.2500  1.0
]