data_[Na3Be6Cr3F24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Be  1.5700  1.0500  0.5900
  Cr  1.6600  1.4000  0.9400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [4.7626]
_cell_length_b [4.7626]
_cell_length_c [22.1890]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [NaBe2CrF8]
_chemical_formula_sum '[Na3 Be6 Cr3 F24]'
_cell_volume [435.8626]
_cell_formula_units_Z [3]
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  3  -0.0000  0.0000  0.5000  1.0
  Be  Be1  6  0.0000  0.0000  0.2541  1.0
  Cr  Cr2  3  0.0000  0.0000  0.0000  1.0
  F  F3  18  0.0113  0.3680  0.3860  1.0
  F  F4  6  0.0000  0.0000  0.1870  1.0
]