data_[Mg2Ni2Bi4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.4076]
_cell_length_b [5.7390]
_cell_length_c [9.4853]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.9255]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [MgNi(BiO3)2]
_chemical_formula_sum '[Mg2 Ni2 Bi4 O12]'
_cell_volume [244.2548]
_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  0.5000  0.0000  0.0000  1
  Ni  Ni1  2  0.0000  0.0000  0.5000  1
  Bi  Bi2  4  0.2841  0.0613  0.2673  1
  O  O3  4  0.1140  0.0623  0.7460  1
  O  O4  4  0.2721  0.6950  0.5807  1
  O  O5  4  0.3707  0.1811  0.5462  1
]