data_[Eu4Tl6Hg6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [5.2798]
_cell_length_b [6.8864]
_cell_length_c [11.8658]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Eu2(TlHg)3]
_chemical_formula_sum '[Eu4 Tl6 Hg6]'
_cell_volume [431.4269]
_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
[
  Eu  Eu0  2  0.0000  0.0000  0.3374  1
  Eu  Eu1  2  0.5000  0.0000  0.6711  1
  Tl  Tl2  4  0.0000  0.2456  0.0803  1
  Tl  Tl3  2  0.5000  0.0000  0.1662  1
  Hg  Hg4  4  0.5000  0.2486  0.9152  1
  Hg  Hg5  2  0.0000  0.0000  0.8345  1
]