The structure described by KU2C4H5O15 crystallizes in the monoclinic P2_1/m space group. K(1) is bonded in a 9-coordinate geometry to one O(9), two equivalent O(2), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. U(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted corner-sharing UO7 pentagonal bipyramids. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(6) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(7) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(5) atom. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to two equivalent U(1) and one H(3) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to one U(1) and one C(1) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one U(1), and one C(2) atom. In the fourth O site, O(8) is bonded in a water-like geometry to two equivalent K(1) and two equivalent H(2) atoms. In the fifth O site, O(9) is bonded in a water-like geometry to one K(1) and two equivalent H(1) atoms. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to one U(1) and one C(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one U(1), and one C(2) atom. In the eighth O site, O(3) is bonded in a single-bond geometry to one U(1) atom. In the ninth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one U(1) atom. is represented by the CIF file [CIF]
data_KU2H5C4O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.984
_cell_length_b   5.816
_cell_length_c   9.354
_cell_angle_alpha   81.995
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   753.308
_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  0.250  0.193  0.406  1.0
  K  K1  1  0.750  0.807  0.594  1.0
  U  U2  1  0.407  0.713  0.764  1.0
  U  U3  1  0.907  0.287  0.236  1.0
  U  U4  1  0.593  0.287  0.236  1.0
  U  U5  1  0.093  0.713  0.764  1.0
  H  H6  1  0.195  0.201  0.070  1.0
  H  H7  1  0.196  0.750  0.200  1.0
  H  H8  1  0.305  0.201  0.070  1.0
  H  H9  1  0.750  0.511  0.091  1.0
  H  H10  1  0.696  0.250  0.800  1.0
  H  H11  1  0.304  0.750  0.200  1.0
  H  H12  1  0.805  0.799  0.930  1.0
  H  H13  1  0.250  0.489  0.909  1.0
  H  H14  1  0.804  0.250  0.800  1.0
  H  H15  1  0.695  0.799  0.930  1.0
  C  C16  1  0.953  0.012  0.957  1.0
  C  C17  1  0.451  0.456  0.482  1.0
  C  C18  1  0.049  0.456  0.482  1.0
  C  C19  1  0.453  0.988  0.043  1.0
  C  C20  1  0.047  0.988  0.043  1.0
  C  C21  1  0.549  0.544  0.518  1.0
  C  C22  1  0.547  0.012  0.957  1.0
  C  C23  1  0.951  0.544  0.518  1.0
  O  O24  1  0.615  0.117  0.011  1.0
  O  O25  1  0.054  0.336  0.379  1.0
  O  O26  1  0.059  0.444  0.872  1.0
  O  O27  1  0.115  0.883  0.989  1.0
  O  O28  1  0.630  0.025  0.349  1.0
  O  O29  1  0.554  0.664  0.621  1.0
  O  O30  1  0.446  0.336  0.379  1.0
  O  O31  1  0.559  0.556  0.128  1.0
  O  O32  1  0.370  0.975  0.651  1.0
  O  O33  1  0.130  0.975  0.651  1.0
  O  O34  1  0.885  0.117  0.011  1.0
  O  O35  1  0.441  0.444  0.872  1.0
  O  O36  1  0.750  0.385  0.177  1.0
  O  O37  1  0.050  0.076  0.159  1.0
  O  O38  1  0.950  0.924  0.841  1.0
  O  O39  1  0.118  0.509  0.559  1.0
  O  O40  1  0.250  0.615  0.823  1.0
  O  O41  1  0.550  0.924  0.841  1.0
  O  O42  1  0.750  0.249  0.735  1.0
  O  O43  1  0.385  0.883  0.989  1.0
  O  O44  1  0.750  0.696  0.931  1.0
  O  O45  1  0.250  0.751  0.265  1.0
  O  O46  1  0.870  0.025  0.349  1.0
  O  O47  1  0.450  0.076  0.159  1.0
  O  O48  1  0.618  0.491  0.441  1.0
  O  O49  1  0.941  0.556  0.128  1.0
  O  O50  1  0.882  0.491  0.441  1.0
  O  O51  1  0.946  0.664  0.621  1.0
  O  O52  1  0.382  0.509  0.559  1.0
  O  O53  1  0.250  0.304  0.069  1.0
[/CIF]
.
The structure described by KU2C4H5O15 crystallizes in the monoclinic P2_1/m space group. K(1) is bonded in a 9-coordinate geometry to one O(9), two equivalent O(2), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. U(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted corner-sharing UO7 pentagonal bipyramids. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(6) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(7) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(5) atom. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to two equivalent U(1) and one H(3) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to one U(1) and one C(1) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one U(1), and one C(2) atom. In the fourth O site, O(8) is bonded in a water-like geometry to two equivalent K(1) and two equivalent H(2) atoms. In the fifth O site, O(9) is bonded in a water-like geometry to one K(1) and two equivalent H(1) atoms. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to one U(1) and one C(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one U(1), and one C(2) atom. In the eighth O site, O(3) is bonded in a single-bond geometry to one U(1) atom. In the ninth O site, O(4) is bonded in a distorted single-bond geometry to one K(1) and one U(1) atom. is represented by the CIF file [CIF]
data_KU2H5C4O15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.984
_cell_length_b   5.816
_cell_length_c   9.354
_cell_angle_alpha   81.995
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   753.308
_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  0.250  0.193  0.406  1.0
  K  K1  1  0.750  0.807  0.594  1.0
  U  U2  1  0.407  0.713  0.764  1.0
  U  U3  1  0.907  0.287  0.236  1.0
  U  U4  1  0.593  0.287  0.236  1.0
  U  U5  1  0.093  0.713  0.764  1.0
  H  H6  1  0.195  0.201  0.070  1.0
  H  H7  1  0.196  0.750  0.200  1.0
  H  H8  1  0.305  0.201  0.070  1.0
  H  H9  1  0.750  0.511  0.091  1.0
  H  H10  1  0.696  0.250  0.800  1.0
  H  H11  1  0.304  0.750  0.200  1.0
  H  H12  1  0.805  0.799  0.930  1.0
  H  H13  1  0.250  0.489  0.909  1.0
  H  H14  1  0.804  0.250  0.800  1.0
  H  H15  1  0.695  0.799  0.930  1.0
  C  C16  1  0.953  0.012  0.957  1.0
  C  C17  1  0.451  0.456  0.482  1.0
  C  C18  1  0.049  0.456  0.482  1.0
  C  C19  1  0.453  0.988  0.043  1.0
  C  C20  1  0.047  0.988  0.043  1.0
  C  C21  1  0.549  0.544  0.518  1.0
  C  C22  1  0.547  0.012  0.957  1.0
  C  C23  1  0.951  0.544  0.518  1.0
  O  O24  1  0.615  0.117  0.011  1.0
  O  O25  1  0.054  0.336  0.379  1.0
  O  O26  1  0.059  0.444  0.872  1.0
  O  O27  1  0.115  0.883  0.989  1.0
  O  O28  1  0.630  0.025  0.349  1.0
  O  O29  1  0.554  0.664  0.621  1.0
  O  O30  1  0.446  0.336  0.379  1.0
  O  O31  1  0.559  0.556  0.128  1.0
  O  O32  1  0.370  0.975  0.651  1.0
  O  O33  1  0.130  0.975  0.651  1.0
  O  O34  1  0.885  0.117  0.011  1.0
  O  O35  1  0.441  0.444  0.872  1.0
  O  O36  1  0.750  0.385  0.177  1.0
  O  O37  1  0.050  0.076  0.159  1.0
  O  O38  1  0.950  0.924  0.841  1.0
  O  O39  1  0.118  0.509  0.559  1.0
  O  O40  1  0.250  0.615  0.823  1.0
  O  O41  1  0.550  0.924  0.841  1.0
  O  O42  1  0.750  0.249  0.735  1.0
  O  O43  1  0.385  0.883  0.989  1.0
  O  O44  1  0.750  0.696  0.931  1.0
  O  O45  1  0.250  0.751  0.265  1.0
  O  O46  1  0.870  0.025  0.349  1.0
  O  O47  1  0.450  0.076  0.159  1.0
  O  O48  1  0.618  0.491  0.441  1.0
  O  O49  1  0.941  0.556  0.128  1.0
  O  O50  1  0.882  0.491  0.441  1.0
  O  O51  1  0.946  0.664  0.621  1.0
  O  O52  1  0.382  0.509  0.559  1.0
  O  O53  1  0.250  0.304  0.069  1.0
[/CIF]
.