data_[Ag1Hg1P2]
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
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.1330]
_cell_length_b [3.1330]
_cell_length_c [7.7823]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [AgHgP2]
_chemical_formula_sum '[Ag1 Hg1 P2]'
_cell_volume [76.3893]
_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
[
  Ag  Ag0  1  0.0000  0.0000  0.4685  1
  Hg  Hg1  1  0.5000  0.5000  0.7412  1
  P  P2  1  0.0000  0.0000  0.0883  1
  P  P3  1  0.5000  0.5000  0.2020  1
]