data_[Tm14Tl8O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.1683]
_cell_length_b [4.9867]
_cell_length_c [10.8256]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.2784]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tm7Tl4O]
_chemical_formula_sum '[Tm14 Tl8 O2]'
_cell_volume [675.6428]
_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
[
  Tm  Tm0  4  0.0637  0.0000  0.2446  1
  Tm  Tm1  4  0.1324  0.5000  0.5524  1
  Tm  Tm2  4  0.2098  0.0000  0.8508  1
  Tm  Tm3  2  0.0000  0.5000  0.0000  1
  Tl  Tl4  4  0.0807  0.5000  0.7938  1
  Tl  Tl5  4  0.2229  0.5000  0.3533  1
  O  O6  2  0.0000  0.0000  0.0000  1
]