The crystal structure described by KH2(IO3)3 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(15), one O(17), and one O(4) atom. In the second K site, K(2) is bonded in a 4-coordinate geometry to one O(11), one O(18), one O(3), and one O(9) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(14) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(13) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(15) and one O(16) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(1) and one O(2) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one H(4) and one I(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one H(4) and one I(6) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one K(2) and one I(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one I(4) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one H(2) and one I(5) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one I(6) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one I(1) and one I(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one I(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one K(2), one I(4), and one I(5) atom. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to one K(1) and one I(6) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one K(2), one I(1), and one I(3) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one K(1), one I(2), and one I(4) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one H(2) and one I(3) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one H(1) and one I(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one K(1), one H(3), and one I(3) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one H(3) and one I(4) atom. In the seventeenth O site, O(17) is bonded in a 2-coordinate geometry to one K(1) and one I(1) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one K(2), one I(2), and one I(6) atom. There are six inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(11), one O(17), and one O(7) atom. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(12), one O(18), and one O(8) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(11), one O(13), one O(15), and one O(3) atom. In the fourth I site, I(4) is bonded in a distorted octahedral geometry to one O(12), one O(14), one O(16), one O(4), one O(7), and one O(9) atom. In the fifth I site, I(5) is bonded in a 3-coordinate geometry to one O(1), one O(5), and one O(9) atom. In the sixth I site, I(6) is bonded in a 3-coordinate geometry to one O(10), one O(18), one O(2), and one O(6) atom. is represented by the CIF card [CIF]
data_KH2(IO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.322
_cell_length_b   8.332
_cell_length_c   8.333
_cell_angle_alpha   113.371
_cell_angle_beta   85.948
_cell_angle_gamma   119.644
_symmetry_Int_Tables_number   1
_cell_volume   455.233
_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  0.277  0.516  0.722  1.0
  K  K1  1  0.723  0.485  0.280  1.0
  H  H2  1  0.638  0.273  0.528  1.0
  H  H3  1  0.362  0.727  0.474  1.0
  H  H4  1  0.969  0.490  0.981  1.0
  H  H5  1  0.022  0.987  0.482  1.0
  I  I6  1  0.698  0.912  0.199  1.0
  I  I7  1  0.307  0.088  0.804  1.0
  I  I8  1  0.184  0.437  0.184  1.0
  I  I9  1  0.810  0.575  0.812  1.0
  I  I10  1  0.763  0.979  0.728  1.0
  I  I11  1  0.241  0.021  0.260  1.0
  O  O12  1  0.878  0.048  0.549  1.0
  O  O13  1  0.120  0.941  0.444  1.0
  O  O14  1  0.937  0.279  0.186  1.0
  O  O15  1  0.059  0.722  0.815  1.0
  O  O16  1  0.525  0.908  0.657  1.0
  O  O17  1  0.471  0.085  0.344  1.0
  O  O18  1  0.883  0.843  0.130  1.0
  O  O19  1  0.122  0.155  0.866  1.0
  O  O20  1  0.737  0.725  0.643  1.0
  O  O21  1  0.264  0.270  0.359  1.0
  O  O22  1  0.537  0.681  0.230  1.0
  O  O23  1  0.470  0.320  0.774  1.0
  O  O24  1  0.225  0.623  0.428  1.0
  O  O25  1  0.774  0.380  0.575  1.0
  O  O26  1  0.159  0.585  0.079  1.0
  O  O27  1  0.831  0.417  0.920  1.0
  O  O28  1  0.595  0.842  0.979  1.0
  O  O29  1  0.405  0.156  0.027  1.0
[/CIF]
.
The crystal structure described by KH2(IO3)3 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 5-coordinate geometry to one O(10), one O(12), one O(15), one O(17), and one O(4) atom. In the second K site, K(2) is bonded in a 4-coordinate geometry to one O(11), one O(18), one O(3), and one O(9) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(14) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(13) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(15) and one O(16) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(1) and one O(2) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one H(4) and one I(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one H(4) and one I(6) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one K(2) and one I(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one I(4) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one H(2) and one I(5) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one I(6) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one I(1) and one I(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one I(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one K(2), one I(4), and one I(5) atom. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to one K(1) and one I(6) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one K(2), one I(1), and one I(3) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one K(1), one I(2), and one I(4) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one H(2) and one I(3) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one H(1) and one I(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one K(1), one H(3), and one I(3) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one H(3) and one I(4) atom. In the seventeenth O site, O(17) is bonded in a 2-coordinate geometry to one K(1) and one I(1) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one K(2), one I(2), and one I(6) atom. There are six inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(11), one O(17), and one O(7) atom. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(12), one O(18), and one O(8) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(11), one O(13), one O(15), and one O(3) atom. In the fourth I site, I(4) is bonded in a distorted octahedral geometry to one O(12), one O(14), one O(16), one O(4), one O(7), and one O(9) atom. In the fifth I site, I(5) is bonded in a 3-coordinate geometry to one O(1), one O(5), and one O(9) atom. In the sixth I site, I(6) is bonded in a 3-coordinate geometry to one O(10), one O(18), one O(2), and one O(6) atom. is represented by the CIF card [CIF]
data_KH2(IO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.322
_cell_length_b   8.332
_cell_length_c   8.333
_cell_angle_alpha   113.371
_cell_angle_beta   85.948
_cell_angle_gamma   119.644
_symmetry_Int_Tables_number   1
_cell_volume   455.233
_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  0.277  0.516  0.722  1.0
  K  K1  1  0.723  0.485  0.280  1.0
  H  H2  1  0.638  0.273  0.528  1.0
  H  H3  1  0.362  0.727  0.474  1.0
  H  H4  1  0.969  0.490  0.981  1.0
  H  H5  1  0.022  0.987  0.482  1.0
  I  I6  1  0.698  0.912  0.199  1.0
  I  I7  1  0.307  0.088  0.804  1.0
  I  I8  1  0.184  0.437  0.184  1.0
  I  I9  1  0.810  0.575  0.812  1.0
  I  I10  1  0.763  0.979  0.728  1.0
  I  I11  1  0.241  0.021  0.260  1.0
  O  O12  1  0.878  0.048  0.549  1.0
  O  O13  1  0.120  0.941  0.444  1.0
  O  O14  1  0.937  0.279  0.186  1.0
  O  O15  1  0.059  0.722  0.815  1.0
  O  O16  1  0.525  0.908  0.657  1.0
  O  O17  1  0.471  0.085  0.344  1.0
  O  O18  1  0.883  0.843  0.130  1.0
  O  O19  1  0.122  0.155  0.866  1.0
  O  O20  1  0.737  0.725  0.643  1.0
  O  O21  1  0.264  0.270  0.359  1.0
  O  O22  1  0.537  0.681  0.230  1.0
  O  O23  1  0.470  0.320  0.774  1.0
  O  O24  1  0.225  0.623  0.428  1.0
  O  O25  1  0.774  0.380  0.575  1.0
  O  O26  1  0.159  0.585  0.079  1.0
  O  O27  1  0.831  0.417  0.920  1.0
  O  O28  1  0.595  0.842  0.979  1.0
  O  O29  1  0.405  0.156  0.027  1.0
[/CIF]
.