data_[K2Rb4P4O12]
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
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.9803]
_cell_length_b [6.1882]
_cell_length_c [7.2841]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.3959]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb2(PO3)2]
_chemical_formula_sum '[K2 Rb4 P4 O12]'
_cell_volume [417.9130]
_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
[
  Rb  Rb0  4  0.2102  0.5000  0.1903  1
  K  K1  2  0.0000  0.5000  0.5000  1
  P  P2  4  0.0368  0.0000  0.1908  1
  O  O3  8  0.0338  0.2093  0.8012  1
  O  O4  4  0.2006  0.0000  0.3104  1
]