data_[Mn2Cu2Bi4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Cu  1.9000  1.3500  0.8200
  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 [10.1808]
_cell_length_b [5.3275]
_cell_length_c [5.1705]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.3474]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MnCu(BiO3)2]
_chemical_formula_sum '[Mn2 Cu2 Bi4 O12]'
_cell_volume [253.4442]
_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
[
  Mn  Mn0  2  0.0000  0.5000  0.0000  1
  Cu  Cu1  2  0.0000  0.0000  0.5000  1
  Bi  Bi2  4  0.2478  0.0000  0.2244  1
  O  O3  8  0.0731  0.2497  0.8063  1
  O  O4  4  0.1938  0.5000  0.2961  1
]