data_[Hg2Sb1As1Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.5711]
_cell_length_b [4.3540]
_cell_length_c [8.1030]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0895]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Hg2SbAsPb4]
_chemical_formula_sum '[Hg2 Sb1 As1 Pb4]'
_cell_volume [252.4253]
_cell_formula_units_Z [1]
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
[
  Hg  Hg0  1  0.0000  0.5000  0.5000  1.0
  Hg  Hg1  1  0.5000  0.0000  0.5000  1.0
  Sb  Sb2  1  0.0000  0.0000  0.0000  1.0
  As  As3  1  0.5000  0.5000  0.0000  1.0
  Pb  Pb4  2  0.2591  0.5000  0.2301  1.0
  Pb  Pb5  2  0.2729  0.0000  0.7768  1.0
]