data_[K3Rb6Ag3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [5.0174]
_cell_length_b [5.0174]
_cell_length_c [37.0392]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [KRb2Ag]
_chemical_formula_sum '[K3 Rb6 Ag3]'
_cell_volume [807.5274]
_cell_formula_units_Z [3]
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
[
  Rb  Rb0  3  0.0000  0.0000  0.0583  1.0
  Rb  Rb1  3  0.0000  0.0000  0.2748  1.0
  K  K2  3  0.0000  0.0000  0.5004  1.0
  Ag  Ag3  3  0.0000  0.0000  0.6665  1.0
]