data_[Ca8Tl4H2]
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
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5754]
_cell_length_b [7.0300]
_cell_length_c [9.2602]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.6455]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ca4Tl2H]
_chemical_formula_sum '[Ca8 Tl4 H2]'
_cell_volume [405.5847]
_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  0.4590  0.0028  0.7090  1.0
  Ca  Ca1  2  0.0748  0.7500  0.3499  1.0
  Ca  Ca2  2  0.1417  0.7500  0.9550  1.0
  Tl  Tl3  2  0.1737  0.2500  0.3937  1.0
  Tl  Tl4  2  0.3239  0.2500  0.9790  1.0
  H  H5  2  0.3083  0.7500  0.2154  1.0
]