data_[K2Nd2Sm2Ni4]
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
  Sm  1.1700  1.8500  1.2290
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.8155]
_cell_length_b [4.0338]
_cell_length_c [18.2656]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [KNdSmNi2]
_chemical_formula_sum '[K2 Nd2 Sm2 Ni4]'
_cell_volume [281.1255]
_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  0.0016  1
  Nd  Nd1  2  0.5000  0.0000  0.3338  1
  Sm  Sm2  2  0.5000  0.0000  0.6676  1
  Ni  Ni3  2  0.0000  0.0000  0.2090  1
  Ni  Ni4  2  0.0000  0.0000  0.7881  1
]