data_[Y2Np6Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Np  1.3600  1.7500  1.0000
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [7.6154]
_cell_length_b [8.8000]
_cell_length_c [7.6037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4777]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [YNp3Sb4]
_chemical_formula_sum '[Y2 Np6 Sb8]'
_cell_volume [480.4083]
_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
[
  Y  Y0  2  0.0000  0.1248  0.2500  1
  Np  Np1  2  0.0000  0.3739  0.7500  1
  Np  Np2  2  0.5000  0.1242  0.7500  1
  Np  Np3  2  0.5000  0.3742  0.2500  1
  Sb  Sb4  4  0.2493  0.3752  0.5006  1
  Sb  Sb5  4  0.2501  0.1247  0.9989  1
]