data_[K4Sn2As2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sn  1.9600  1.4500  0.8300
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8534]
_cell_length_b [5.3584]
_cell_length_c [8.1655]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.1218]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [K2SnAsO]
_chemical_formula_sum '[K4 Sn2 As2 O2]'
_cell_volume [293.1801]
_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
[
  K  K0  2  0.0331  0.2500  0.3821  1.0
  K  K1  2  0.2494  0.2500  0.8988  1.0
  Sn  Sn2  2  0.3814  0.7500  0.3617  1.0
  As  As3  2  0.4939  0.7500  0.7069  1.0
  O  O4  2  0.0812  0.7500  0.3162  1.0
]