data_[Ag4As2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P222_1]
_cell_length_a [7.4132]
_cell_length_b [16.7101]
_cell_length_c [4.9022]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [17]
_chemical_formula_structural [Ag2As]
_chemical_formula_sum '[Ag4 As2]'
_cell_volume [607.2669]
_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  0.1239  0.5000  0.5000  1
  Ag  Ag1  2  0.5000  0.4488  0.2500  1
  As  As2  2  0.2286  0.5000  0.0000  1
]