data_[Np4Cu4Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Cu  1.9000  1.3500  0.8200
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.3638]
_cell_length_b [3.8124]
_cell_length_c [3.9030]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.5670]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NpCuOs]
_chemical_formula_sum '[Np4 Cu4 Os4]'
_cell_volume [197.1201]
_cell_formula_units_Z [4]
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  4  0.0824  0.5000  0.1649  1
  Cu  Cu1  4  0.2490  0.5000  0.7438  1
  Os  Os2  4  0.0954  0.0000  0.6695  1
]