data_[Rb2Hg2Au2Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  Au  2.5400  1.3500  1.0700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [7.1318]
_cell_length_b [6.3327]
_cell_length_c [7.6539]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2455]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [RbHgAuSe2]
_chemical_formula_sum '[Rb2 Hg2 Au2 Se4]'
_cell_volume [330.1419]
_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
[
  Rb  Rb0  2  0.5000  0.2087  0.7500  1.0
  Hg  Hg1  2  0.0000  0.4922  0.7500  1.0
  Au  Au2  2  0.0000  0.0000  0.0000  1.0
  Se  Se3  4  0.2284  0.2981  0.0626  1.0
]