data_[Sr4Au4Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Au  2.5400  1.3500  1.0700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.2761]
_cell_length_b [15.7838]
_cell_length_c [17.4837]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Sr2Au2Se3]
_chemical_formula_sum '[Sr4 Au4 Se6]'
_cell_volume [2007.8982]
_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
[
  Sr  Sr0  4  0.1111  0.1580  0.5039  1
  Au  Au1  4  0.0154  0.4069  0.4809  1
  Se  Se2  4  0.2297  0.3259  0.5575  1
  Se  Se3  2  0.2830  0.0000  0.4155  1
]