data_[Ba2Hg2Bi6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [6.6724]
_cell_length_b [7.3161]
_cell_length_c [7.5017]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [BaHgBi3]
_chemical_formula_sum '[Ba2 Hg2 Bi6]'
_cell_volume [366.2074]
_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  2  0.0000  0.7473  0.9609  1.0
  Hg  Hg1  2  0.0000  0.1208  0.6270  1.0
  Bi  Bi2  4  0.2496  0.7743  0.4860  1.0
  Bi  Bi3  2  0.0000  0.4100  0.3185  1.0
]