data_[Na4Au4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Au  2.5400  1.3500  1.0700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2342]
_cell_length_b [4.6307]
_cell_length_c [5.9664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.8276]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaAuSe]
_chemical_formula_sum '[Na4 Au4 Se4]'
_cell_volume [309.2830]
_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  0.1258  0.0000  0.2708  1
  Au  Au1  4  0.0886  0.5000  0.6960  1
  Se  Se2  4  0.1559  0.0000  0.7814  1
]