data_[Na4Sr2Nd2F16]
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
  Nd  1.1400  1.8500  1.2765
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.4592]
_cell_length_b [5.7924]
_cell_length_c [11.6436]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Na2SrNdF8]
_chemical_formula_sum '[Na4 Sr2 Nd2 F16]'
_cell_volume [368.1936]
_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  0.0000  0.0000  0.4983  1.0
  Na  Na1  2  0.0000  0.5000  0.7515  1.0
  Sr  Sr2  2  0.0000  0.0000  0.0023  1.0
  Nd  Nd3  2  0.0000  0.5000  0.2482  1.0
  F  F4  8  0.2421  0.2588  0.3706  1.0
  F  F5  8  0.2451  0.2593  0.1292  1.0
]