data_[Na16Sb2P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.8231]
_cell_length_b [13.1677]
_cell_length_c [5.2373]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3222]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na8SbP2]
_chemical_formula_sum '[Na16 Sb2 P4]'
_cell_volume [596.6336]
_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
[
  Na  Na0  8  0.1856  0.1357  0.0659  1.0
  Na  Na1  4  0.0000  0.2472  0.5000  1.0
  Na  Na2  4  0.1257  0.5000  0.2937  1.0
  Sb  Sb3  2  0.0000  0.0000  0.5000  1.0
  P  P4  4  0.0000  0.3246  0.0000  1.0
]