data_[Ca1Tl3C2O6]
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
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.4375]
_cell_length_b [5.4375]
_cell_length_c [8.2484]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [CaTl3(CO3)2]
_chemical_formula_sum '[Ca1 Tl3 C2 O6]'
_cell_volume [211.2033]
_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
[
  Ca  Ca0  1  0.0000  0.0000  0.5000  1.0
  Tl  Tl1  2  0.3333  0.6667  0.1850  1.0
  Tl  Tl2  1  0.0000  0.0000  0.0000  1.0
  C  C3  2  0.3333  0.6667  0.6730  1.0
  O  O4  6  0.1952  0.3905  0.6757  1.0
]