The material structure described by Np(O3I)2 crystallizes in the tetragonal P4_2/n space group. Np(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Np(1) and one I(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Np(1) and one I(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Np(1) and one I(1) atom. I(1) is bonded in a T-shaped geometry to one O(1), one O(2), and one O(3) atom. is represented by the CIF card [CIF]
data_Np(IO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.267
_cell_length_b   12.976
_cell_length_c   12.976
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   886.839
_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  1  0.250  0.250  0.250  1.0
  Np  Np1  1  0.250  0.750  0.750  1.0
  Np  Np2  1  0.750  0.250  0.750  1.0
  Np  Np3  1  0.750  0.750  0.250  1.0
  I  I4  1  0.246  0.021  0.764  1.0
  I  I5  1  0.246  0.979  0.236  1.0
  I  I6  1  0.746  0.736  0.521  1.0
  I  I7  1  0.254  0.479  0.736  1.0
  I  I8  1  0.746  0.264  0.479  1.0
  I  I9  1  0.254  0.521  0.264  1.0
  I  I10  1  0.754  0.764  0.979  1.0
  I  I11  1  0.754  0.236  0.021  1.0
  O  O12  1  0.498  0.616  0.217  1.0
  O  O13  1  0.498  0.384  0.783  1.0
  O  O14  1  0.998  0.283  0.116  1.0
  O  O15  1  0.002  0.884  0.283  1.0
  O  O16  1  0.998  0.717  0.884  1.0
  O  O17  1  0.002  0.116  0.717  1.0
  O  O18  1  0.502  0.217  0.384  1.0
  O  O19  1  0.502  0.783  0.616  1.0
  O  O20  1  0.483  0.179  0.165  1.0
  O  O21  1  0.483  0.821  0.835  1.0
  O  O22  1  0.983  0.335  0.679  1.0
  O  O23  1  0.017  0.321  0.335  1.0
  O  O24  1  0.983  0.665  0.321  1.0
  O  O25  1  0.017  0.679  0.665  1.0
  O  O26  1  0.517  0.165  0.821  1.0
  O  O27  1  0.517  0.835  0.179  1.0
  O  O28  1  0.062  0.103  0.277  1.0
  O  O29  1  0.062  0.897  0.723  1.0
  O  O30  1  0.562  0.223  0.603  1.0
  O  O31  1  0.438  0.397  0.223  1.0
  O  O32  1  0.562  0.777  0.397  1.0
  O  O33  1  0.438  0.603  0.777  1.0
  O  O34  1  0.938  0.277  0.897  1.0
  O  O35  1  0.938  0.723  0.103  1.0
[/CIF]
.
The material structure described by Np(O3I)2 crystallizes in the tetragonal P4_2/n space group. Np(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Np(1) and one I(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Np(1) and one I(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Np(1) and one I(1) atom. I(1) is bonded in a T-shaped geometry to one O(1), one O(2), and one O(3) atom. is represented by the CIF card [CIF]
data_Np(IO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.267
_cell_length_b   12.976
_cell_length_c   12.976
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   886.839
_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  1  0.250  0.250  0.250  1.0
  Np  Np1  1  0.250  0.750  0.750  1.0
  Np  Np2  1  0.750  0.250  0.750  1.0
  Np  Np3  1  0.750  0.750  0.250  1.0
  I  I4  1  0.246  0.021  0.764  1.0
  I  I5  1  0.246  0.979  0.236  1.0
  I  I6  1  0.746  0.736  0.521  1.0
  I  I7  1  0.254  0.479  0.736  1.0
  I  I8  1  0.746  0.264  0.479  1.0
  I  I9  1  0.254  0.521  0.264  1.0
  I  I10  1  0.754  0.764  0.979  1.0
  I  I11  1  0.754  0.236  0.021  1.0
  O  O12  1  0.498  0.616  0.217  1.0
  O  O13  1  0.498  0.384  0.783  1.0
  O  O14  1  0.998  0.283  0.116  1.0
  O  O15  1  0.002  0.884  0.283  1.0
  O  O16  1  0.998  0.717  0.884  1.0
  O  O17  1  0.002  0.116  0.717  1.0
  O  O18  1  0.502  0.217  0.384  1.0
  O  O19  1  0.502  0.783  0.616  1.0
  O  O20  1  0.483  0.179  0.165  1.0
  O  O21  1  0.483  0.821  0.835  1.0
  O  O22  1  0.983  0.335  0.679  1.0
  O  O23  1  0.017  0.321  0.335  1.0
  O  O24  1  0.983  0.665  0.321  1.0
  O  O25  1  0.017  0.679  0.665  1.0
  O  O26  1  0.517  0.165  0.821  1.0
  O  O27  1  0.517  0.835  0.179  1.0
  O  O28  1  0.062  0.103  0.277  1.0
  O  O29  1  0.062  0.897  0.723  1.0
  O  O30  1  0.562  0.223  0.603  1.0
  O  O31  1  0.438  0.397  0.223  1.0
  O  O32  1  0.562  0.777  0.397  1.0
  O  O33  1  0.438  0.603  0.777  1.0
  O  O34  1  0.938  0.277  0.897  1.0
  O  O35  1  0.938  0.723  0.103  1.0
[/CIF]
.