data_[K6Rb3Cd27]
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
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.2929]
_cell_length_b [6.2929]
_cell_length_c [31.0054]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K2RbCd9]
_chemical_formula_sum '[K6 Rb3 Cd27]'
_cell_volume [1063.3282]
_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
[
  K  K0  6  0.0000  0.0000  0.1445  1
  Rb  Rb1  3  0.0000  0.0000  0.0000  1
  Cd  Cd2  18  0.0044  0.5022  0.9170  1
  Cd  Cd3  6  0.0000  0.0000  0.3343  1
  Cd  Cd4  3  -0.0000  -0.0000  0.5000  1
]