data_[K2Ag8As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.4896]
_cell_length_b [15.0312]
_cell_length_c [4.5152]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [K(Ag2As)2]
_chemical_formula_sum '[K2 Ag8 As4]'
_cell_volume [304.7028]
_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
[
  K  K0  2  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.0000  0.1870  0.5000  1.0
  Ag  Ag2  4  0.0000  0.3153  0.0000  1.0
  As  As3  4  0.0000  0.4139  0.5000  1.0
]