data_[Nd4Hg2Bi2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.9303]
_cell_length_b [6.9303]
_cell_length_c [6.5072]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Nd2HgBiO5]
_chemical_formula_sum '[Nd4 Hg2 Bi2 O10]'
_cell_volume [312.5329]
_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
[
  Nd  Nd0  4  0.1739  0.3261  0.5000  1
  Hg  Hg1  2  0.0000  0.0000  0.0000  1
  Bi  Bi2  2  0.0000  0.5000  0.0000  1
  O  O3  8  0.1360  0.6360  0.2818  1
  O  O4  2  0.0000  0.0000  0.5000  1
]