data_[Na4Al8As4S24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Al  1.6100  1.2500  0.6750
  As  2.1800  1.1500  0.6600
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.2939]
_cell_length_b [13.7086]
_cell_length_c [6.5786]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.0537]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaAl2AsS6]
_chemical_formula_sum '[Na4 Al8 As4 S24]'
_cell_volume [1012.4352]
_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  0.1480  0.7500  1
  Al  Al1  8  0.2377  0.0753  0.4134  1
  As  As2  4  0.0000  0.2866  0.2500  1
  S  S3  8  0.0744  0.3784  0.5502  1
  S  S4  8  0.1390  0.2067  0.1864  1
  S  S5  8  0.1965  0.0622  0.7120  1
]