The material structure described by K3NaUC3O11 crystallizes in the hexagonal P-62c space group. K(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. Na(1) is bonded to two O(3,3) and three equivalent O(2) atoms to form NaO5 trigonal bipyramids that share corners with two equivalent U(1)O8 hexagonal bipyramids. U(1) is bonded to two O(3,3); three equivalent O(1); and three equivalent O(4) atoms to form distorted UO8 hexagonal bipyramids that share corners with two equivalent Na(1)O5 trigonal bipyramids. C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(4) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1), one U(1), and one C(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent K(1), one Na(1), and one C(1) atom. In the third O site, O(3) is bonded in a linear geometry to one Na(1) and one U(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent K(1), one U(1), and one C(1) atom. In the fifth O site, O(3) is bonded in a linear geometry to one Na(1) and one U(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3NaUC3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.418
_cell_length_b   9.418
_cell_length_c   8.339
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   640.617
_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  0.703  0.703  0.000  1.0
  K  K1  1  0.703  0.703  0.500  1.0
  K  K2  1  0.000  0.297  0.000  1.0
  K  K3  1  0.297  0.000  0.500  1.0
  K  K4  1  0.000  0.297  0.500  1.0
  K  K5  1  0.297  0.000  0.000  1.0
  Na  Na6  1  0.667  0.333  0.750  1.0
  Na  Na7  1  0.333  0.667  0.250  1.0
  U  U8  1  0.667  0.333  0.250  1.0
  U  U9  1  0.333  0.667  0.750  1.0
  C  C10  1  0.371  0.358  0.250  1.0
  C  C11  1  0.629  0.988  0.750  1.0
  C  C12  1  0.642  0.012  0.250  1.0
  C  C13  1  0.358  0.371  0.750  1.0
  C  C14  1  0.012  0.642  0.750  1.0
  C  C15  1  0.988  0.629  0.250  1.0
  O  O16  1  0.520  0.487  0.250  1.0
  O  O17  1  0.757  0.127  0.750  1.0
  O  O18  1  0.333  0.667  0.529  1.0
  O  O19  1  0.151  0.783  0.750  1.0
  O  O20  1  0.667  0.333  0.029  1.0
  O  O21  1  0.033  0.513  0.750  1.0
  O  O22  1  0.849  0.632  0.250  1.0
  O  O23  1  0.127  0.757  0.250  1.0
  O  O24  1  0.217  0.368  0.750  1.0
  O  O25  1  0.513  0.033  0.250  1.0
  O  O26  1  0.487  0.520  0.750  1.0
  O  O27  1  0.783  0.151  0.250  1.0
  O  O28  1  0.480  0.967  0.750  1.0
  O  O29  1  0.368  0.217  0.250  1.0
  O  O30  1  0.333  0.667  0.971  1.0
  O  O31  1  0.667  0.333  0.471  1.0
  O  O32  1  0.967  0.480  0.250  1.0
  O  O33  1  0.632  0.849  0.750  1.0
  O  O34  1  0.370  0.243  0.750  1.0
  O  O35  1  0.243  0.370  0.250  1.0
  O  O36  1  0.873  0.630  0.750  1.0
  O  O37  1  0.630  0.873  0.250  1.0
[/CIF]
.
The material structure described by K3NaUC3O11 crystallizes in the hexagonal P-62c space group. K(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. Na(1) is bonded to two O(3,3) and three equivalent O(2) atoms to form NaO5 trigonal bipyramids that share corners with two equivalent U(1)O8 hexagonal bipyramids. U(1) is bonded to two O(3,3); three equivalent O(1); and three equivalent O(4) atoms to form distorted UO8 hexagonal bipyramids that share corners with two equivalent Na(1)O5 trigonal bipyramids. C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(4) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1), one U(1), and one C(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent K(1), one Na(1), and one C(1) atom. In the third O site, O(3) is bonded in a linear geometry to one Na(1) and one U(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent K(1), one U(1), and one C(1) atom. In the fifth O site, O(3) is bonded in a linear geometry to one Na(1) and one U(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3NaUC3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.418
_cell_length_b   9.418
_cell_length_c   8.339
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   640.617
_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  0.703  0.703  0.000  1.0
  K  K1  1  0.703  0.703  0.500  1.0
  K  K2  1  0.000  0.297  0.000  1.0
  K  K3  1  0.297  0.000  0.500  1.0
  K  K4  1  0.000  0.297  0.500  1.0
  K  K5  1  0.297  0.000  0.000  1.0
  Na  Na6  1  0.667  0.333  0.750  1.0
  Na  Na7  1  0.333  0.667  0.250  1.0
  U  U8  1  0.667  0.333  0.250  1.0
  U  U9  1  0.333  0.667  0.750  1.0
  C  C10  1  0.371  0.358  0.250  1.0
  C  C11  1  0.629  0.988  0.750  1.0
  C  C12  1  0.642  0.012  0.250  1.0
  C  C13  1  0.358  0.371  0.750  1.0
  C  C14  1  0.012  0.642  0.750  1.0
  C  C15  1  0.988  0.629  0.250  1.0
  O  O16  1  0.520  0.487  0.250  1.0
  O  O17  1  0.757  0.127  0.750  1.0
  O  O18  1  0.333  0.667  0.529  1.0
  O  O19  1  0.151  0.783  0.750  1.0
  O  O20  1  0.667  0.333  0.029  1.0
  O  O21  1  0.033  0.513  0.750  1.0
  O  O22  1  0.849  0.632  0.250  1.0
  O  O23  1  0.127  0.757  0.250  1.0
  O  O24  1  0.217  0.368  0.750  1.0
  O  O25  1  0.513  0.033  0.250  1.0
  O  O26  1  0.487  0.520  0.750  1.0
  O  O27  1  0.783  0.151  0.250  1.0
  O  O28  1  0.480  0.967  0.750  1.0
  O  O29  1  0.368  0.217  0.250  1.0
  O  O30  1  0.333  0.667  0.971  1.0
  O  O31  1  0.667  0.333  0.471  1.0
  O  O32  1  0.967  0.480  0.250  1.0
  O  O33  1  0.632  0.849  0.750  1.0
  O  O34  1  0.370  0.243  0.750  1.0
  O  O35  1  0.243  0.370  0.250  1.0
  O  O36  1  0.873  0.630  0.750  1.0
  O  O37  1  0.630  0.873  0.250  1.0
[/CIF]
.