data_[Nb4Au2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  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 [13.5811]
_cell_length_b [3.4119]
_cell_length_c [11.0595]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.0872]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nb2AuSe6]
_chemical_formula_sum '[Nb4 Au2 Se12]'
_cell_volume [443.4261]
_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
[
  Nb  Nb0  4  0.1803  0.5000  0.2920  1.0
  Au  Au1  2  0.0000  0.0000  0.0000  1.0
  Se  Se2  4  0.0149  0.0000  0.2387  1.0
  Se  Se3  4  0.1627  0.5000  0.5323  1.0
  Se  Se4  4  0.2181  0.0000  0.1401  1.0
]