The compound described by K(O3I)3 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and one I(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one I(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one K(1), one I(1), and one I(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(1), one I(1), and one I(3) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one K(1) and one I(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(1), one I(1), and one I(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one I(1) and one I(3) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(5), one O(6), one O(8), and one O(9) atom. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(3), one O(4), and one O(8) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(5), one O(6), one O(7), and one O(9) atom. is represented by the CIF file [CIF]
data_K(IO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.178
_cell_length_b   8.236
_cell_length_c   8.240
_cell_angle_alpha   65.916
_cell_angle_beta   60.410
_cell_angle_gamma   70.843
_symmetry_Int_Tables_number   1
_cell_volume   434.972
_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  1  0.268  0.285  0.244  1.0
  K  K1  1  0.732  0.715  0.756  1.0
  I  I2  1  0.196  0.808  0.249  1.0
  I  I3  1  0.804  0.192  0.751  1.0
  I  I4  1  0.766  0.264  0.225  1.0
  I  I5  1  0.234  0.736  0.775  1.0
  I  I6  1  0.703  0.791  0.222  1.0
  I  I7  1  0.297  0.209  0.778  1.0
  O  O8  1  0.210  0.568  0.404  1.0
  O  O9  1  0.790  0.432  0.596  1.0
  O  O10  1  0.166  0.920  0.418  1.0
  O  O11  1  0.834  0.080  0.582  1.0
  O  O12  1  0.878  0.452  0.180  1.0
  O  O13  1  0.122  0.548  0.820  1.0
  O  O14  1  0.522  0.334  0.394  1.0
  O  O15  1  0.478  0.666  0.606  1.0
  O  O16  1  0.534  0.773  0.144  1.0
  O  O17  1  0.466  0.227  0.856  1.0
  O  O18  1  0.936  0.811  0.342  1.0
  O  O19  1  0.064  0.189  0.658  1.0
  O  O20  1  0.602  0.014  0.255  1.0
  O  O21  1  0.398  0.986  0.745  1.0
  O  O22  1  0.735  0.354  0.996  1.0
  O  O23  1  0.265  0.646  0.004  1.0
  O  O24  1  0.887  0.865  0.967  1.0
  O  O25  1  0.113  0.135  0.033  1.0
[/CIF]
.
The compound described by K(O3I)3 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and one I(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one I(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one K(1), one I(1), and one I(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(1), one I(1), and one I(3) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one K(1) and one I(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(1), one I(1), and one I(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one I(1) and one I(3) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(5), one O(6), one O(8), and one O(9) atom. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(3), one O(4), and one O(8) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(5), one O(6), one O(7), and one O(9) atom. is represented by the CIF file [CIF]
data_K(IO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.178
_cell_length_b   8.236
_cell_length_c   8.240
_cell_angle_alpha   65.916
_cell_angle_beta   60.410
_cell_angle_gamma   70.843
_symmetry_Int_Tables_number   1
_cell_volume   434.972
_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  1  0.268  0.285  0.244  1.0
  K  K1  1  0.732  0.715  0.756  1.0
  I  I2  1  0.196  0.808  0.249  1.0
  I  I3  1  0.804  0.192  0.751  1.0
  I  I4  1  0.766  0.264  0.225  1.0
  I  I5  1  0.234  0.736  0.775  1.0
  I  I6  1  0.703  0.791  0.222  1.0
  I  I7  1  0.297  0.209  0.778  1.0
  O  O8  1  0.210  0.568  0.404  1.0
  O  O9  1  0.790  0.432  0.596  1.0
  O  O10  1  0.166  0.920  0.418  1.0
  O  O11  1  0.834  0.080  0.582  1.0
  O  O12  1  0.878  0.452  0.180  1.0
  O  O13  1  0.122  0.548  0.820  1.0
  O  O14  1  0.522  0.334  0.394  1.0
  O  O15  1  0.478  0.666  0.606  1.0
  O  O16  1  0.534  0.773  0.144  1.0
  O  O17  1  0.466  0.227  0.856  1.0
  O  O18  1  0.936  0.811  0.342  1.0
  O  O19  1  0.064  0.189  0.658  1.0
  O  O20  1  0.602  0.014  0.255  1.0
  O  O21  1  0.398  0.986  0.745  1.0
  O  O22  1  0.735  0.354  0.996  1.0
  O  O23  1  0.265  0.646  0.004  1.0
  O  O24  1  0.887  0.865  0.967  1.0
  O  O25  1  0.113  0.135  0.033  1.0
[/CIF]
.