data_[Sr1Tl1Hg2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [4.0621]
_cell_length_b [5.7379]
_cell_length_c [8.1666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [SrTlHg2F8]
_chemical_formula_sum '[Sr1 Tl1 Hg2 F8]'
_cell_volume [190.3451]
_cell_formula_units_Z [1]
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
[
  Sr  Sr0  1  0.0000  0.0000  0.5000  1.0
  Tl  Tl1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.5000  0.5000  0.2490  1.0
  F  F3  4  0.0000  0.2543  0.2460  1.0
  F  F4  2  0.5000  0.2451  0.0000  1.0
  F  F5  2  0.5000  0.2548  0.5000  1.0
]