data_[K2Eu2As4O14]
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 [C2]
_cell_length_a [7.6055]
_cell_length_b [9.7348]
_cell_length_c [5.1251]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.4221]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [KEuAs2O7]
_chemical_formula_sum '[K2 Eu2 As4 O14]'
_cell_volume [373.1905]
_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  0.0000  0.2444  0.5000  1.0
  Eu  Eu1  2  0.0000  0.6369  0.5000  1.0
  As  As2  4  0.2055  0.9615  0.9232  1.0
  O  O3  4  0.1473  0.4568  0.7868  1.0
  O  O4  4  0.1636  0.8066  0.7717  1.0
  O  O5  4  0.2361  0.5835  0.2831  1.0
  O  O6  2  0.0000  0.0349  0.0000  1.0
]