data_[Na4Sr16Ga4]
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
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.2978]
_cell_length_b [15.0571]
_cell_length_c [7.2991]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1604]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaSr4Ga]
_chemical_formula_sum '[Na4 Sr16 Ga4]'
_cell_volume [1069.0606]
_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  0.3772  0.7500  1
  Sr  Sr1  8  0.1032  0.1674  0.0534  1
  Sr  Sr2  8  0.2280  0.4177  0.3769  1
  Ga  Ga3  4  0.0000  0.0021  0.7500  1
]