data_[Na2Sr3Ag2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.0080]
_cell_length_b [5.0080]
_cell_length_c [15.8465]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Na2Sr3(AgHg2)2]
_chemical_formula_sum '[Na2 Sr3 Ag2 Hg4]'
_cell_volume [344.1801]
_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
[
  Na  Na0  2  0.3333  0.6667  0.4359  1.0
  Sr  Sr1  2  0.0000  0.0000  0.2504  1.0
  Sr  Sr2  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag3  2  0.3333  0.6667  0.8696  1.0
  Hg  Hg4  2  0.3333  0.6667  0.1261  1.0
  Hg  Hg5  2  0.3333  0.6667  0.6434  1.0
]