data_[K2Rb1]
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
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.6611]
_cell_length_b [4.7528]
_cell_length_c [11.9982]
_cell_angle_alpha [98.5667]
_cell_angle_beta [92.0246]
_cell_angle_gamma [115.1921]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K2Rb]
_chemical_formula_sum '[K2 Rb1]'
_cell_volume [236.3779]
_cell_formula_units_Z [1]
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  0.1721  0.1700  0.8399  1.0
  Rb  Rb1  1  0.5000  0.5000  0.5000  1.0
]