data_[K2Eu2As2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Eu  1.2000  1.8500  1.1985
  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 [5.8448]
_cell_length_b [5.6788]
_cell_length_c [7.1317]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0542]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KEuAsO4]
_chemical_formula_sum '[K2 Eu2 As2 O8]'
_cell_volume [226.3035]
_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  0.3036  0.2500  0.0683  1
  Eu  Eu1  2  0.2178  0.2500  0.5524  1
  As  As2  2  0.2352  0.7500  0.3161  1
  O  O3  4  0.0429  0.5132  0.2841  1
  O  O4  2  0.4139  0.7500  0.5568  1
  O  O5  2  0.4181  0.7500  0.1677  1
]