data_[K2Nd4Cu2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Nd  1.1400  1.8500  1.2765
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.7664]
_cell_length_b [6.7664]
_cell_length_c [5.6713]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [KNd2CuO5]
_chemical_formula_sum '[K2 Nd4 Cu2 O10]'
_cell_volume [259.6564]
_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  0.0000  0.0000  1.0
  Nd  Nd1  4  0.1779  0.6779  0.5000  1.0
  Cu  Cu2  2  0.0000  0.5000  0.0000  1.0
  O  O3  8  0.1293  0.3707  0.2410  1.0
  O  O4  2  0.0000  0.0000  0.5000  1.0
]