data_[Ba4Mg2Mn2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Mg  1.3100  1.5000  0.8600
  Mn  1.5500  1.4000  0.6483
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [3.6290]
_cell_length_b [3.6290]
_cell_length_c [20.5563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [Ba2MgMnO4]
_chemical_formula_sum '[Ba4 Mg2 Mn2 O8]'
_cell_volume [270.7169]
_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  0.0000  0.1307  1
  Mg  Mg1  2  0.0000  0.5000  0.2500  1
  Mn  Mn2  2  0.0000  0.0000  0.5000  1
  O  O3  4  0.0000  0.0000  0.3017  1
  O  O4  4  0.0000  0.5000  0.0481  1
]