data_[Zn4Hg2P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Hg  2.0000  1.5000  1.2450
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.1388]
_cell_length_b [9.9172]
_cell_length_c [20.1204]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Zn2HgP2]
_chemical_formula_sum '[Zn4 Hg2 P4]'
_cell_volume [626.3149]
_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
[
  Zn  Zn0  4  0.0000  0.1362  0.3996  1
  Hg  Hg1  2  0.0000  0.0000  0.6541  1
  P  P2  4  0.0000  0.1762  0.5233  1
]