data_[Ba4Eu4Hg4As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Eu  1.2000  1.8500  1.1985
  Hg  2.0000  1.5000  1.2450
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.5238]
_cell_length_b [17.7647]
_cell_length_c [7.3602]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [BaEuHgAs2]
_chemical_formula_sum '[Ba4 Eu4 Hg4 As8]'
_cell_volume [591.4962]
_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
[
  Ba  Ba0  4  0.0000  0.2005  0.5885  1
  Eu  Eu1  4  0.0000  0.0253  0.2606  1
  Hg  Hg2  4  0.0000  0.4070  0.4299  1
  As  As3  4  0.0000  0.1679  0.0387  1
  As  As4  4  0.0000  0.4398  0.0482  1
]