data_[Na4Hg4P8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.3695]
_cell_length_b [10.7469]
_cell_length_c [4.6909]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6578]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaHg(PO3)2]
_chemical_formula_sum '[Na4 Hg4 P8 O24]'
_cell_volume [568.0494]
_cell_formula_units_Z [4]
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
[
  Na  Na0  4  0.0000  0.2948  0.7500  1.0
  Hg  Hg1  4  0.0000  0.0760  0.2500  1.0
  P  P2  8  0.2097  0.4116  0.2787  1.0
  O  O3  8  0.1199  0.3147  0.1784  1.0
  O  O4  8  0.1595  0.1177  0.7039  1.0
  O  O5  8  0.1787  0.4609  0.5889  1.0
]