data_[Sr8Mn4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  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 [Cmc2_1]
_cell_length_a [3.3814]
_cell_length_b [15.6945]
_cell_length_c [9.8660]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2MnBiO5]
_chemical_formula_sum '[Sr8 Mn4 Bi4 O20]'
_cell_volume [523.5884]
_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
[
  Sr  Sr0  4  0.0000  0.1416  0.7242  1
  Sr  Sr1  4  0.0000  0.1427  0.2880  1
  Mn  Mn2  4  0.0000  0.2253  0.0060  1
  Bi  Bi3  4  0.0000  0.4898  0.4987  1
  O  O4  4  0.0000  0.0982  0.0053  1
  O  O5  4  0.0000  0.2859  0.6355  1
  O  O6  4  0.0000  0.2861  0.3766  1
  O  O7  4  0.0000  0.3494  0.0070  1
  O  O8  4  0.0000  0.4998  0.2827  1
]