data_[Au4Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Au  2.5400  1.3500  1.0700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.4129]
_cell_length_b [5.8983]
_cell_length_c [5.8241]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4354]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Au2Se]
_chemical_formula_sum '[Au4 Se2]'
_cell_volume [147.4465]
_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
[
  Au  Au0  2  0.5000  0.0000  0.0000  1
  Au  Au1  2  0.5000  0.0000  0.5000  1
  Se  Se2  2  0.1584  0.7500  0.1957  1
]