data_[Na4Sr2Ga2Sb4]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.8671]
_cell_length_b [9.0185]
_cell_length_c [8.1585]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2SrGaSb2]
_chemical_formula_sum '[Na4 Sr2 Ga2 Sb4]'
_cell_volume [358.1144]
_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  0.1524  0.3415  1.0
  Na  Na1  2  0.5000  0.0826  0.0140  1.0
  Sr  Sr2  2  0.0000  0.4639  0.0115  1.0
  Ga  Ga3  2  0.5000  0.3185  0.6581  1.0
  Sb  Sb4  2  0.0000  0.1772  0.7376  1.0
  Sb  Sb5  2  0.5000  0.3684  0.2828  1.0
]