data_[Na4Cd8In20Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cd  1.6900  1.5500  1.0900
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.5363]
_cell_length_b [16.3524]
_cell_length_c [16.5035]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [NaCd2In5Hg]
_chemical_formula_sum '[Na4 Cd8 In20 Hg4]'
_cell_volume [954.3422]
_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  0.4557  0.4058  1.0
  Cd  Cd1  4  0.0000  0.0679  0.7268  1.0
  Cd  Cd2  4  0.0000  0.1377  0.4137  1.0
  In  In3  4  0.0000  0.0753  0.0872  1.0
  In  In4  4  0.0000  0.2511  0.6244  1.0
  In  In5  4  0.0000  0.2822  0.2914  1.0
  In  In6  4  0.0000  0.4009  0.7562  1.0
  In  In7  4  0.0000  0.4075  0.0635  1.0
  Hg  Hg8  4  0.0000  0.2040  0.9549  1.0
]