data_[Ag2Hg2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [4.5869]
_cell_length_b [9.2572]
_cell_length_c [6.4569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [AgHgTe2]
_chemical_formula_sum '[Ag2 Hg2 Te4]'
_cell_volume [274.1704]
_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
[
  Ag  Ag0  2  0.0000  0.3768  0.1506  1.0
  Hg  Hg1  2  0.0000  0.8681  0.1309  1.0
  Te  Te2  2  0.0000  0.1325  0.9001  1.0
  Te  Te3  2  0.0000  0.6133  0.8850  1.0
]