data_[Ag2Au4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Au  2.5400  1.3500  1.0700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [7.1363]
_cell_length_b [4.7850]
_cell_length_c [7.4563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.7246]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [Ag(AuSe)2]
_chemical_formula_sum '[Ag2 Au4 Se4]'
_cell_volume [251.6650]
_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
[
  Ag  Ag0  2  0.5912  0.4643  0.8893  1.0
  Au  Au1  2  0.0128  0.0080  0.1919  1.0
  Au  Au2  2  0.2452  0.3393  0.5009  1.0
  Se  Se3  2  0.5550  0.1321  0.6108  1.0
  Se  Se4  2  0.9709  0.3342  0.9321  1.0
]