data_[Np1Zn2Cu2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [5.5474]
_cell_length_b [5.5474]
_cell_length_c [5.5416]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [NpZn2(CuO3)2]
_chemical_formula_sum '[Np1 Zn2 Cu2 O6]'
_cell_volume [147.6878]
_cell_formula_units_Z [1]
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
[
  Np  Np0  1  0.0000  0.0000  0.0000  1
  Zn  Zn1  2  0.3333  0.6667  0.7103  1
  Cu  Cu2  2  0.3333  0.6667  0.2394  1
  O  O3  6  0.0049  0.6918  0.7773  1
]