data_[Mg2Mn6Bi2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Mn  1.5500  1.4000  0.6483
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.7883]
_cell_length_b [6.0661]
_cell_length_c [6.5649]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.1683]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MgMn3BiO8]
_chemical_formula_sum '[Mg2 Mn6 Bi2 O16]'
_cell_volume [346.8326]
_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
[
  Mg  Mg0  2  0.0000  0.0000  0.5000  1
  Mn  Mn1  4  0.2500  0.2500  0.0000  1
  Mn  Mn2  2  0.0000  0.5000  0.0000  1
  Bi  Bi3  2  0.0000  0.5000  0.5000  1
  O  O4  8  0.0288  0.2436  0.7659  1
  O  O5  4  0.2458  0.0000  0.1865  1
  O  O6  4  0.2462  0.5000  0.1925  1
]