data_[Ca4Tl10Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [7.1953]
_cell_length_b [12.9457]
_cell_length_c [4.9441]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Ca2Tl5Hg]
_chemical_formula_sum '[Ca4 Tl10 Hg2]'
_cell_volume [460.5320]
_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
[
  Ca  Ca0  4  0.2375  0.6214  0.5000  1.0
  Tl  Tl1  4  0.0137  0.2528  0.0000  1.0
  Tl  Tl2  4  0.2383  0.8732  0.5000  1.0
  Tl  Tl3  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg4  2  0.0000  0.5000  0.0000  1.0
]