The structure described by Rb2UF6 crystallizes in the orthorhombic Cmcm space group. Rb(1) is bonded in a 9-coordinate geometry to one F(1), four equivalent F(2), and four equivalent F(3) atoms. U(1) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(3), and four equivalent F(1) atoms. There are three inequivalent F sites. In the first F site, F(1) is bonded in a 3-coordinate geometry to one Rb(1) and two equivalent U(1) atoms. In the second F site, F(2) is bonded in a 5-coordinate geometry to four equivalent Rb(1) and one U(1) atom. In the third F site, F(3) is bonded in a 5-coordinate geometry to four equivalent Rb(1) and one U(1) atom. is represented by the CIF file [CIF]
data_Rb2UF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.991
_cell_length_b   6.991
_cell_length_c   7.517
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.574
_symmetry_Int_Tables_number   1
_cell_volume   316.321
_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
  Rb  Rb0  1  0.343  0.657  0.501  1.0
  Rb  Rb1  1  0.657  0.343  0.001  1.0
  Rb  Rb2  1  0.657  0.343  0.499  1.0
  Rb  Rb3  1  0.343  0.657  0.999  1.0
  U  U4  1  0.948  0.052  0.250  1.0
  U  U5  1  0.052  0.948  0.750  1.0
  F  F6  1  0.102  0.898  0.042  1.0
  F  F7  1  0.898  0.102  0.542  1.0
  F  F8  1  0.898  0.102  0.958  1.0
  F  F9  1  0.102  0.898  0.458  1.0
  F  F10  1  0.005  0.602  0.750  1.0
  F  F11  1  0.995  0.398  0.250  1.0
  F  F12  1  0.291  0.307  0.750  1.0
  F  F13  1  0.709  0.693  0.250  1.0
  F  F14  1  0.307  0.291  0.250  1.0
  F  F15  1  0.693  0.709  0.750  1.0
  F  F16  1  0.398  0.995  0.750  1.0
  F  F17  1  0.602  0.005  0.250  1.0
[/CIF]
.
The structure described by Rb2UF6 crystallizes in the orthorhombic Cmcm space group. Rb(1) is bonded in a 9-coordinate geometry to one F(1), four equivalent F(2), and four equivalent F(3) atoms. U(1) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(3), and four equivalent F(1) atoms. There are three inequivalent F sites. In the first F site, F(1) is bonded in a 3-coordinate geometry to one Rb(1) and two equivalent U(1) atoms. In the second F site, F(2) is bonded in a 5-coordinate geometry to four equivalent Rb(1) and one U(1) atom. In the third F site, F(3) is bonded in a 5-coordinate geometry to four equivalent Rb(1) and one U(1) atom. is represented by the CIF file [CIF]
data_Rb2UF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.991
_cell_length_b   6.991
_cell_length_c   7.517
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.574
_symmetry_Int_Tables_number   1
_cell_volume   316.321
_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
  Rb  Rb0  1  0.343  0.657  0.501  1.0
  Rb  Rb1  1  0.657  0.343  0.001  1.0
  Rb  Rb2  1  0.657  0.343  0.499  1.0
  Rb  Rb3  1  0.343  0.657  0.999  1.0
  U  U4  1  0.948  0.052  0.250  1.0
  U  U5  1  0.052  0.948  0.750  1.0
  F  F6  1  0.102  0.898  0.042  1.0
  F  F7  1  0.898  0.102  0.542  1.0
  F  F8  1  0.898  0.102  0.958  1.0
  F  F9  1  0.102  0.898  0.458  1.0
  F  F10  1  0.005  0.602  0.750  1.0
  F  F11  1  0.995  0.398  0.250  1.0
  F  F12  1  0.291  0.307  0.750  1.0
  F  F13  1  0.709  0.693  0.250  1.0
  F  F14  1  0.307  0.291  0.250  1.0
  F  F15  1  0.693  0.709  0.750  1.0
  F  F16  1  0.398  0.995  0.750  1.0
  F  F17  1  0.602  0.005  0.250  1.0
[/CIF]
.