data_[Na8Cu4Sb4S12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.8429]
_cell_length_b [17.1500]
_cell_length_c [7.0072]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.9502]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2CuSbS3]
_chemical_formula_sum '[Na8 Cu4 Sb4 S12]'
_cell_volume [625.9096]
_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  0.1535  0.5384  0.8093  1
  Na  Na1  4  0.4353  0.6133  0.3820  1
  Cu  Cu2  4  0.1185  0.7123  0.6007  1
  Sb  Sb3  4  0.2538  0.1741  0.4815  1
  S  S4  4  0.0749  0.1120  0.1264  1
  S  S5  4  0.2907  0.6955  0.9615  1
  S  S6  4  0.3423  0.0566  0.6961  1
]