data_[Mn2Hg4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.5327]
_cell_length_b [3.6340]
_cell_length_c [11.6311]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [MnHg2Pb]
_chemical_formula_sum '[Mn2 Hg4 Pb2]'
_cell_volume [191.5828]
_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  0.0000  0.7044  1
  Hg  Hg1  2  0.0000  0.0000  0.9615  1
  Hg  Hg2  2  0.5000  0.0000  0.5534  1
  Pb  Pb3  2  0.5000  0.0000  0.2835  1
]