data_[Na4Tm4C8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tm  1.2500  1.7500  1.0950
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.5270]
_cell_length_b [9.9550]
_cell_length_c [6.8942]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0146]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaTm(CO3)2]
_chemical_formula_sum '[Na4 Tm4 C8 O24]'
_cell_volume [493.9796]
_cell_formula_units_Z [4]
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
[
  Na  Na0  4  0.0000  0.0998  0.2500  1.0
  Tm  Tm1  4  0.0000  0.4220  0.7500  1.0
  C  C2  8  0.2307  0.3548  0.2416  1.0
  O  O3  8  0.0835  0.3889  0.0912  1.0
  O  O4  8  0.2012  0.0524  0.6275  1.0
  O  O5  8  0.2100  0.2663  0.7458  1.0
]