The compound described by CsU2H(C2O7)2 crystallizes in the monoclinic P2_1/m space group. Cs(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms. U(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) 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(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(7) and one O(8) atom. H(1) is bonded in a single-bond geometry to one O(2) atom. There are eight inequivalent O sites. In the first O site, O(6) is bonded in a single-bond geometry to one U(1) atom. In the second O site, O(7) is bonded in a distorted single-bond geometry to one Cs(1), one U(1), and one C(2) atom. In the third O site, O(8) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(2) atom. In the fourth O site, O(1) is bonded in a single-bond geometry to one Cs(1) and one U(1) atom. In the fifth O site, O(2) is bonded in a distorted single-bond geometry to two equivalent U(1) and one H(1) atom. In the sixth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(1) atom. In the seventh O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent Cs(1) atoms. In the eighth O site, O(5) is bonded in a distorted single-bond geometry to one Cs(1), one U(1), and one C(1) atom. is represented by the CIF file [CIF]
data_CsU2H(C2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.913
_cell_length_b   9.725
_cell_length_c   13.689
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   94.307
_symmetry_Int_Tables_number   1
_cell_volume   785.017
_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
  Cs  Cs0  1  0.040  0.138  0.750  1.0
  Cs  Cs1  1  0.960  0.862  0.250  1.0
  U  U2  1  0.720  0.738  0.912  1.0
  U  U3  1  0.280  0.262  0.088  1.0
  U  U4  1  0.280  0.262  0.412  1.0
  U  U5  1  0.720  0.738  0.588  1.0
  H  H6  1  0.479  0.640  0.750  1.0
  H  H7  1  0.521  0.360  0.250  1.0
  C  C8  1  0.538  0.980  0.448  1.0
  C  C9  1  0.462  0.020  0.552  1.0
  C  C10  1  0.462  0.020  0.948  1.0
  C  C11  1  0.538  0.980  0.052  1.0
  C  C12  1  0.987  0.461  0.951  1.0
  C  C13  1  0.013  0.539  0.049  1.0
  C  C14  1  0.013  0.539  0.451  1.0
  C  C15  1  0.987  0.461  0.549  1.0
  O  O16  1  0.979  0.834  0.875  1.0
  O  O17  1  0.021  0.166  0.125  1.0
  O  O18  1  0.021  0.166  0.375  1.0
  O  O19  1  0.979  0.834  0.625  1.0
  O  O20  1  0.621  0.698  0.750  1.0
  O  O21  1  0.379  0.302  0.250  1.0
  O  O22  1  0.529  0.948  0.878  1.0
  O  O23  1  0.471  0.052  0.122  1.0
  O  O24  1  0.471  0.052  0.378  1.0
  O  O25  1  0.529  0.948  0.622  1.0
  O  O26  1  0.573  0.319  0.750  1.0
  O  O27  1  0.427  0.681  0.250  1.0
  O  O28  1  0.661  0.879  0.442  1.0
  O  O29  1  0.339  0.121  0.558  1.0
  O  O30  1  0.339  0.121  0.942  1.0
  O  O31  1  0.661  0.879  0.058  1.0
  O  O32  1  0.452  0.648  0.943  1.0
  O  O33  1  0.548  0.352  0.057  1.0
  O  O34  1  0.548  0.352  0.443  1.0
  O  O35  1  0.452  0.648  0.557  1.0
  O  O36  1  0.923  0.653  0.446  1.0
  O  O37  1  0.077  0.347  0.554  1.0
  O  O38  1  0.077  0.347  0.946  1.0
  O  O39  1  0.923  0.653  0.054  1.0
  O  O40  1  0.879  0.517  0.884  1.0
  O  O41  1  0.121  0.483  0.116  1.0
  O  O42  1  0.121  0.483  0.384  1.0
  O  O43  1  0.879  0.517  0.616  1.0
[/CIF]
.
The compound described by CsU2H(C2O7)2 crystallizes in the monoclinic P2_1/m space group. Cs(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms. U(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) 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(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(7) and one O(8) atom. H(1) is bonded in a single-bond geometry to one O(2) atom. There are eight inequivalent O sites. In the first O site, O(6) is bonded in a single-bond geometry to one U(1) atom. In the second O site, O(7) is bonded in a distorted single-bond geometry to one Cs(1), one U(1), and one C(2) atom. In the third O site, O(8) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(2) atom. In the fourth O site, O(1) is bonded in a single-bond geometry to one Cs(1) and one U(1) atom. In the fifth O site, O(2) is bonded in a distorted single-bond geometry to two equivalent U(1) and one H(1) atom. In the sixth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(1) atom. In the seventh O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent Cs(1) atoms. In the eighth O site, O(5) is bonded in a distorted single-bond geometry to one Cs(1), one U(1), and one C(1) atom. is represented by the CIF file [CIF]
data_CsU2H(C2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.913
_cell_length_b   9.725
_cell_length_c   13.689
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   94.307
_symmetry_Int_Tables_number   1
_cell_volume   785.017
_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
  Cs  Cs0  1  0.040  0.138  0.750  1.0
  Cs  Cs1  1  0.960  0.862  0.250  1.0
  U  U2  1  0.720  0.738  0.912  1.0
  U  U3  1  0.280  0.262  0.088  1.0
  U  U4  1  0.280  0.262  0.412  1.0
  U  U5  1  0.720  0.738  0.588  1.0
  H  H6  1  0.479  0.640  0.750  1.0
  H  H7  1  0.521  0.360  0.250  1.0
  C  C8  1  0.538  0.980  0.448  1.0
  C  C9  1  0.462  0.020  0.552  1.0
  C  C10  1  0.462  0.020  0.948  1.0
  C  C11  1  0.538  0.980  0.052  1.0
  C  C12  1  0.987  0.461  0.951  1.0
  C  C13  1  0.013  0.539  0.049  1.0
  C  C14  1  0.013  0.539  0.451  1.0
  C  C15  1  0.987  0.461  0.549  1.0
  O  O16  1  0.979  0.834  0.875  1.0
  O  O17  1  0.021  0.166  0.125  1.0
  O  O18  1  0.021  0.166  0.375  1.0
  O  O19  1  0.979  0.834  0.625  1.0
  O  O20  1  0.621  0.698  0.750  1.0
  O  O21  1  0.379  0.302  0.250  1.0
  O  O22  1  0.529  0.948  0.878  1.0
  O  O23  1  0.471  0.052  0.122  1.0
  O  O24  1  0.471  0.052  0.378  1.0
  O  O25  1  0.529  0.948  0.622  1.0
  O  O26  1  0.573  0.319  0.750  1.0
  O  O27  1  0.427  0.681  0.250  1.0
  O  O28  1  0.661  0.879  0.442  1.0
  O  O29  1  0.339  0.121  0.558  1.0
  O  O30  1  0.339  0.121  0.942  1.0
  O  O31  1  0.661  0.879  0.058  1.0
  O  O32  1  0.452  0.648  0.943  1.0
  O  O33  1  0.548  0.352  0.057  1.0
  O  O34  1  0.548  0.352  0.443  1.0
  O  O35  1  0.452  0.648  0.557  1.0
  O  O36  1  0.923  0.653  0.446  1.0
  O  O37  1  0.077  0.347  0.554  1.0
  O  O38  1  0.077  0.347  0.946  1.0
  O  O39  1  0.923  0.653  0.054  1.0
  O  O40  1  0.879  0.517  0.884  1.0
  O  O41  1  0.121  0.483  0.116  1.0
  O  O42  1  0.121  0.483  0.384  1.0
  O  O43  1  0.879  0.517  0.616  1.0
[/CIF]
.