The material structure described by K3UC5O17 crystallizes in the triclinic P-1 space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one O(13), one O(16), one O(2), one O(4), one O(7), and two equivalent O(17) atoms. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(5), one O(6), two equivalent O(10), and two equivalent O(9) atoms. In the third K site, K(3) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(15), one O(2), one O(8), and two equivalent O(14) atoms. U(1) is bonded in a distorted pentagonal bipyramidal geometry to one O(1), one O(11), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(5) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(6) atom. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(9) atom. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(8) atom. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2) and one U(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one U(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one K(1), one U(1), and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one K(2) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one K(2) and one C(2) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one K(1), one U(1), and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one K(3), one U(1), and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to two equivalent K(2) and one C(3) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one K(3), two equivalent K(2), and one C(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one K(3), one U(1), and one C(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one K(2), one K(3), and one C(5) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one K(1) and one O(14) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to two equivalent K(3) and one O(13) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one K(3) and one O(16) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one K(1) and one O(15) atom. In the seventeenth O site, O(17) is bonded in a water-like geometry to two equivalent K(1) atoms. is represented by the CIF file [CIF]
data_K3UC5O17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.010
_cell_length_b   10.154
_cell_length_c   10.385
_cell_angle_alpha   96.542
_cell_angle_beta   105.025
_cell_angle_gamma   115.335
_symmetry_Int_Tables_number   1
_cell_volume   890.348
_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  0.744  0.329  0.474  1.0
  K  K1  1  0.256  0.671  0.526  1.0
  K  K2  1  0.074  0.049  0.857  1.0
  K  K3  1  0.926  0.951  0.143  1.0
  K  K4  1  0.181  0.456  0.101  1.0
  K  K5  1  0.819  0.544  0.899  1.0
  U  U6  1  0.472  0.138  0.759  1.0
  U  U7  1  0.528  0.862  0.241  1.0
  C  C8  1  0.174  0.111  0.501  1.0
  C  C9  1  0.826  0.889  0.499  1.0
  C  C10  1  0.185  0.954  0.452  1.0
  C  C11  1  0.815  0.046  0.548  1.0
  C  C12  1  0.695  0.979  0.840  1.0
  C  C13  1  0.305  0.021  0.160  1.0
  C  C14  1  0.792  0.140  0.941  1.0
  C  C15  1  0.208  0.860  0.059  1.0
  C  C16  1  0.448  0.416  0.955  1.0
  C  C17  1  0.552  0.584  0.045  1.0
  O  O18  1  0.351  0.039  0.855  1.0
  O  O19  1  0.649  0.961  0.145  1.0
  O  O20  1  0.594  0.246  0.664  1.0
  O  O21  1  0.406  0.754  0.336  1.0
  O  O22  1  0.266  0.185  0.622  1.0
  O  O23  1  0.734  0.815  0.378  1.0
  O  O24  1  0.290  0.948  0.548  1.0
  O  O25  1  0.710  0.052  0.452  1.0
  O  O26  1  0.081  0.134  0.414  1.0
  O  O27  1  0.919  0.866  0.586  1.0
  O  O28  1  0.099  0.867  0.339  1.0
  O  O29  1  0.901  0.133  0.661  1.0
  O  O30  1  0.562  0.956  0.755  1.0
  O  O31  1  0.438  0.044  0.245  1.0
  O  O32  1  0.720  0.220  0.932  1.0
  O  O33  1  0.280  0.780  0.068  1.0
  O  O34  1  0.749  0.890  0.845  1.0
  O  O35  1  0.251  0.110  0.155  1.0
  O  O36  1  0.929  0.183  0.018  1.0
  O  O37  1  0.071  0.817  0.982  1.0
  O  O38  1  0.521  0.367  0.893  1.0
  O  O39  1  0.479  0.633  0.107  1.0
  O  O40  1  0.309  0.345  0.947  1.0
  O  O41  1  0.691  0.655  0.053  1.0
  O  O42  1  0.826  0.443  0.234  1.0
  O  O43  1  0.174  0.557  0.766  1.0
  O  O44  1  0.050  0.478  0.784  1.0
  O  O45  1  0.950  0.522  0.216  1.0
  O  O46  1  0.411  0.416  0.336  1.0
  O  O47  1  0.589  0.584  0.664  1.0
  O  O48  1  0.449  0.531  0.651  1.0
  O  O49  1  0.551  0.469  0.349  1.0
  O  O50  1  0.028  0.367  0.410  1.0
  O  O51  1  0.972  0.633  0.590  1.0
[/CIF]
.
The material structure described by K3UC5O17 crystallizes in the triclinic P-1 space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one O(13), one O(16), one O(2), one O(4), one O(7), and two equivalent O(17) atoms. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(5), one O(6), two equivalent O(10), and two equivalent O(9) atoms. In the third K site, K(3) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(15), one O(2), one O(8), and two equivalent O(14) atoms. U(1) is bonded in a distorted pentagonal bipyramidal geometry to one O(1), one O(11), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(5) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(6) atom. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(9) atom. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(8) atom. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2) and one U(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one U(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one K(1), one U(1), and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one K(2) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one K(2) and one C(2) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one K(1), one U(1), and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one K(3), one U(1), and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to two equivalent K(2) and one C(3) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one K(3), two equivalent K(2), and one C(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one K(3), one U(1), and one C(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one K(2), one K(3), and one C(5) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one K(1) and one O(14) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to two equivalent K(3) and one O(13) atom. In the fifteenth O site, O(15) is bonded in a bent 120 degrees geometry to one K(3) and one O(16) atom. In the sixteenth O site, O(16) is bonded in a bent 120 degrees geometry to one K(1) and one O(15) atom. In the seventeenth O site, O(17) is bonded in a water-like geometry to two equivalent K(1) atoms. is represented by the CIF file [CIF]
data_K3UC5O17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.010
_cell_length_b   10.154
_cell_length_c   10.385
_cell_angle_alpha   96.542
_cell_angle_beta   105.025
_cell_angle_gamma   115.335
_symmetry_Int_Tables_number   1
_cell_volume   890.348
_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  0.744  0.329  0.474  1.0
  K  K1  1  0.256  0.671  0.526  1.0
  K  K2  1  0.074  0.049  0.857  1.0
  K  K3  1  0.926  0.951  0.143  1.0
  K  K4  1  0.181  0.456  0.101  1.0
  K  K5  1  0.819  0.544  0.899  1.0
  U  U6  1  0.472  0.138  0.759  1.0
  U  U7  1  0.528  0.862  0.241  1.0
  C  C8  1  0.174  0.111  0.501  1.0
  C  C9  1  0.826  0.889  0.499  1.0
  C  C10  1  0.185  0.954  0.452  1.0
  C  C11  1  0.815  0.046  0.548  1.0
  C  C12  1  0.695  0.979  0.840  1.0
  C  C13  1  0.305  0.021  0.160  1.0
  C  C14  1  0.792  0.140  0.941  1.0
  C  C15  1  0.208  0.860  0.059  1.0
  C  C16  1  0.448  0.416  0.955  1.0
  C  C17  1  0.552  0.584  0.045  1.0
  O  O18  1  0.351  0.039  0.855  1.0
  O  O19  1  0.649  0.961  0.145  1.0
  O  O20  1  0.594  0.246  0.664  1.0
  O  O21  1  0.406  0.754  0.336  1.0
  O  O22  1  0.266  0.185  0.622  1.0
  O  O23  1  0.734  0.815  0.378  1.0
  O  O24  1  0.290  0.948  0.548  1.0
  O  O25  1  0.710  0.052  0.452  1.0
  O  O26  1  0.081  0.134  0.414  1.0
  O  O27  1  0.919  0.866  0.586  1.0
  O  O28  1  0.099  0.867  0.339  1.0
  O  O29  1  0.901  0.133  0.661  1.0
  O  O30  1  0.562  0.956  0.755  1.0
  O  O31  1  0.438  0.044  0.245  1.0
  O  O32  1  0.720  0.220  0.932  1.0
  O  O33  1  0.280  0.780  0.068  1.0
  O  O34  1  0.749  0.890  0.845  1.0
  O  O35  1  0.251  0.110  0.155  1.0
  O  O36  1  0.929  0.183  0.018  1.0
  O  O37  1  0.071  0.817  0.982  1.0
  O  O38  1  0.521  0.367  0.893  1.0
  O  O39  1  0.479  0.633  0.107  1.0
  O  O40  1  0.309  0.345  0.947  1.0
  O  O41  1  0.691  0.655  0.053  1.0
  O  O42  1  0.826  0.443  0.234  1.0
  O  O43  1  0.174  0.557  0.766  1.0
  O  O44  1  0.050  0.478  0.784  1.0
  O  O45  1  0.950  0.522  0.216  1.0
  O  O46  1  0.411  0.416  0.336  1.0
  O  O47  1  0.589  0.584  0.664  1.0
  O  O48  1  0.449  0.531  0.651  1.0
  O  O49  1  0.551  0.469  0.349  1.0
  O  O50  1  0.028  0.367  0.410  1.0
  O  O51  1  0.972  0.633  0.590  1.0
[/CIF]
.