data_[Na6Cr2P6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.5672]
_cell_length_b [5.2626]
_cell_length_c [20.8804]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Na3CrP3]
_chemical_formula_sum '[Na6 Cr2 P6]'
_cell_volume [831.5200]
_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  2  0.0955  0.5000  0.5206  1
  Na  Na1  2  0.2900  0.0000  0.3313  1
  Na  Na2  2  0.4800  0.5000  0.4259  1
  Cr  Cr3  2  0.1530  0.0000  0.6121  1
  P  P4  4  0.3765  0.2989  0.6129  1
  P  P5  2  0.1296  0.5000  0.3843  1
]