data_[K3Rb2Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.0832]
_cell_length_b [7.0956]
_cell_length_c [8.8943]
_cell_angle_alpha [86.5432]
_cell_angle_beta [70.0853]
_cell_angle_gamma [63.9870]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K3(RbSn2)2]
_chemical_formula_sum '[K3 Rb2 Sn4]'
_cell_volume [375.6086]
_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
[
  Rb  Rb0  2  0.1150  0.7199  0.4094  1.0
  K  K1  2  0.2826  0.4234  0.7899  1.0
  K  K2  1  0.0000  0.0000  0.0000  1.0
  Sn  Sn3  2  0.3423  0.1558  0.1407  1.0
  Sn  Sn4  2  0.4562  0.8594  0.6177  1.0
]