The compound described by RbU2F9 crystallizes in the orthorhombic Pnma space group. Rb(1) is bonded in a 10-coordinate geometry to two equivalent F(1), two equivalent F(2), two equivalent F(4), and four equivalent F(3) atoms. U(1) is bonded in a 9-coordinate geometry to one F(5), two equivalent F(1), two equivalent F(2), two equivalent F(3), and two equivalent F(4) atoms. There are five inequivalent F sites. In the first F site, F(4) is bonded in a distorted bent 150 degrees geometry to one Rb(1) and two equivalent U(1) atoms. In the second F site, F(1) is bonded in a trigonal planar geometry to one Rb(1) and two equivalent U(1) atoms. In the third F site, F(5) is bonded in a linear geometry to two equivalent U(1) atoms. In the fourth F site, F(2) is bonded in a trigonal planar geometry to one Rb(1) and two equivalent U(1) atoms. In the fifth F site, F(3) is bonded to two equivalent Rb(1) and two equivalent U(1) atoms to form a mixture of distorted corner and edge-sharing FRb2U2 tetrahedra. is represented by the CIF file [CIF]
data_RbU2F9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.092
_cell_length_b   8.796
_cell_length_c   11.736
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   732.128
_cell_formula_units_Z   4
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
  Rb  Rb0  1  0.866  0.968  0.250  1.0
  Rb  Rb1  1  0.634  0.468  0.250  1.0
  Rb  Rb2  1  0.134  0.032  0.750  1.0
  Rb  Rb3  1  0.366  0.532  0.750  1.0
  U  U4  1  0.351  0.824  0.449  1.0
  U  U5  1  0.149  0.324  0.051  1.0
  U  U6  1  0.649  0.176  0.949  1.0
  U  U7  1  0.851  0.676  0.551  1.0
  U  U8  1  0.649  0.176  0.551  1.0
  U  U9  1  0.851  0.676  0.949  1.0
  U  U10  1  0.351  0.824  0.051  1.0
  U  U11  1  0.149  0.324  0.449  1.0
  F  F12  1  0.431  0.994  0.597  1.0
  F  F13  1  0.069  0.494  0.903  1.0
  F  F14  1  0.569  0.006  0.097  1.0
  F  F15  1  0.931  0.506  0.403  1.0
  F  F16  1  0.569  0.006  0.403  1.0
  F  F17  1  0.931  0.506  0.097  1.0
  F  F18  1  0.431  0.994  0.903  1.0
  F  F19  1  0.069  0.494  0.597  1.0
  F  F20  1  0.034  0.786  0.408  1.0
  F  F21  1  0.466  0.286  0.092  1.0
  F  F22  1  0.966  0.214  0.908  1.0
  F  F23  1  0.534  0.714  0.592  1.0
  F  F24  1  0.966  0.214  0.592  1.0
  F  F25  1  0.534  0.714  0.908  1.0
  F  F26  1  0.034  0.786  0.092  1.0
  F  F27  1  0.466  0.286  0.408  1.0
  F  F28  1  0.152  0.779  0.605  1.0
  F  F29  1  0.348  0.279  0.895  1.0
  F  F30  1  0.848  0.221  0.105  1.0
  F  F31  1  0.652  0.721  0.395  1.0
  F  F32  1  0.848  0.221  0.395  1.0
  F  F33  1  0.652  0.721  0.105  1.0
  F  F34  1  0.152  0.779  0.895  1.0
  F  F35  1  0.348  0.279  0.605  1.0
  F  F36  1  0.307  0.566  0.423  1.0
  F  F37  1  0.193  0.066  0.077  1.0
  F  F38  1  0.693  0.434  0.923  1.0
  F  F39  1  0.807  0.934  0.577  1.0
  F  F40  1  0.693  0.434  0.577  1.0
  F  F41  1  0.807  0.934  0.923  1.0
  F  F42  1  0.307  0.566  0.077  1.0
  F  F43  1  0.193  0.066  0.423  1.0
  F  F44  1  0.340  0.825  0.250  1.0
  F  F45  1  0.160  0.325  0.250  1.0
  F  F46  1  0.660  0.175  0.750  1.0
  F  F47  1  0.840  0.675  0.750  1.0
[/CIF]
.
The compound described by RbU2F9 crystallizes in the orthorhombic Pnma space group. Rb(1) is bonded in a 10-coordinate geometry to two equivalent F(1), two equivalent F(2), two equivalent F(4), and four equivalent F(3) atoms. U(1) is bonded in a 9-coordinate geometry to one F(5), two equivalent F(1), two equivalent F(2), two equivalent F(3), and two equivalent F(4) atoms. There are five inequivalent F sites. In the first F site, F(4) is bonded in a distorted bent 150 degrees geometry to one Rb(1) and two equivalent U(1) atoms. In the second F site, F(1) is bonded in a trigonal planar geometry to one Rb(1) and two equivalent U(1) atoms. In the third F site, F(5) is bonded in a linear geometry to two equivalent U(1) atoms. In the fourth F site, F(2) is bonded in a trigonal planar geometry to one Rb(1) and two equivalent U(1) atoms. In the fifth F site, F(3) is bonded to two equivalent Rb(1) and two equivalent U(1) atoms to form a mixture of distorted corner and edge-sharing FRb2U2 tetrahedra. is represented by the CIF file [CIF]
data_RbU2F9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.092
_cell_length_b   8.796
_cell_length_c   11.736
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   732.128
_cell_formula_units_Z   4
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
  Rb  Rb0  1  0.866  0.968  0.250  1.0
  Rb  Rb1  1  0.634  0.468  0.250  1.0
  Rb  Rb2  1  0.134  0.032  0.750  1.0
  Rb  Rb3  1  0.366  0.532  0.750  1.0
  U  U4  1  0.351  0.824  0.449  1.0
  U  U5  1  0.149  0.324  0.051  1.0
  U  U6  1  0.649  0.176  0.949  1.0
  U  U7  1  0.851  0.676  0.551  1.0
  U  U8  1  0.649  0.176  0.551  1.0
  U  U9  1  0.851  0.676  0.949  1.0
  U  U10  1  0.351  0.824  0.051  1.0
  U  U11  1  0.149  0.324  0.449  1.0
  F  F12  1  0.431  0.994  0.597  1.0
  F  F13  1  0.069  0.494  0.903  1.0
  F  F14  1  0.569  0.006  0.097  1.0
  F  F15  1  0.931  0.506  0.403  1.0
  F  F16  1  0.569  0.006  0.403  1.0
  F  F17  1  0.931  0.506  0.097  1.0
  F  F18  1  0.431  0.994  0.903  1.0
  F  F19  1  0.069  0.494  0.597  1.0
  F  F20  1  0.034  0.786  0.408  1.0
  F  F21  1  0.466  0.286  0.092  1.0
  F  F22  1  0.966  0.214  0.908  1.0
  F  F23  1  0.534  0.714  0.592  1.0
  F  F24  1  0.966  0.214  0.592  1.0
  F  F25  1  0.534  0.714  0.908  1.0
  F  F26  1  0.034  0.786  0.092  1.0
  F  F27  1  0.466  0.286  0.408  1.0
  F  F28  1  0.152  0.779  0.605  1.0
  F  F29  1  0.348  0.279  0.895  1.0
  F  F30  1  0.848  0.221  0.105  1.0
  F  F31  1  0.652  0.721  0.395  1.0
  F  F32  1  0.848  0.221  0.395  1.0
  F  F33  1  0.652  0.721  0.105  1.0
  F  F34  1  0.152  0.779  0.895  1.0
  F  F35  1  0.348  0.279  0.605  1.0
  F  F36  1  0.307  0.566  0.423  1.0
  F  F37  1  0.193  0.066  0.077  1.0
  F  F38  1  0.693  0.434  0.923  1.0
  F  F39  1  0.807  0.934  0.577  1.0
  F  F40  1  0.693  0.434  0.577  1.0
  F  F41  1  0.807  0.934  0.923  1.0
  F  F42  1  0.307  0.566  0.077  1.0
  F  F43  1  0.193  0.066  0.423  1.0
  F  F44  1  0.340  0.825  0.250  1.0
  F  F45  1  0.160  0.325  0.250  1.0
  F  F46  1  0.660  0.175  0.750  1.0
  F  F47  1  0.840  0.675  0.750  1.0
[/CIF]
.