data_[Na4Sr4C8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  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 [9.0166]
_cell_length_b [9.7925]
_cell_length_c [6.8227]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9170]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaSr(CO3)2]
_chemical_formula_sum '[Na4 Sr4 C8 O24]'
_cell_volume [562.7158]
_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  0.1732  0.2500  1.0
  Sr  Sr1  4  0.0000  0.3663  0.7500  1.0
  C  C2  8  0.2382  0.0812  0.7258  1.0
  O  O3  8  0.1213  0.3830  0.1476  1.0
  O  O4  8  0.1335  0.1719  0.6342  1.0
  O  O5  8  0.2090  0.0469  0.1900  1.0
]