data_[Na4Y4Sb4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Y  1.2200  1.8000  1.0400
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.1638]
_cell_length_b [14.6948]
_cell_length_c [10.7835]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [NaYSbSe3]
_chemical_formula_sum '[Na4 Y4 Sb4 Se12]'
_cell_volume [659.8021]
_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  0.2545  0.7500  1
  Y  Y1  4  0.0000  0.5000  0.0000  1
  Sb  Sb2  4  0.0000  0.0377  0.2500  1
  Se  Se3  8  0.0000  0.1380  0.0379  1
  Se  Se4  4  0.0000  0.3890  0.2500  1
]