data_[La16Cr4Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Cr  1.6600  1.4000  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [9.1458]
_cell_length_b [9.1458]
_cell_length_c [9.1458]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [La4CrHg]
_chemical_formula_sum '[La16 Cr4 Hg4]'
_cell_volume [764.9961]
_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
[
  La  La0  16  0.1252  0.3748  0.8748  1
  Cr  Cr1  4  0.2500  0.2500  0.2500  1
  Hg  Hg2  4  0.0000  0.0000  0.0000  1
]