The material described by RbUB5O11F crystallizes in the monoclinic Cc space group. Rb(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(4), one O(5), one O(7), one O(8), one O(9), and one F(1) atom. U(1) is bonded in a distorted linear geometry to one O(10) and one O(9) atom. There are five inequivalent B sites. In the first B site, B(1) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form BO4 tetrahedra that share  a cornercorner with one B(3)O3F tetrahedra and  a cornercorner with one B(4)O4 tetrahedra. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(11), one O(2), and one O(7) atom. In the third B site, B(3) is bonded to one O(2), one O(3), one O(4), and one F(1) atom to form corner-sharing BO3F tetrahedra. In the fourth B site, B(4) is bonded to one O(11), one O(3), one O(6), and one O(8) atom to form BO4 tetrahedra that share  a cornercorner with one B(3)O3F tetrahedra and  a cornercorner with one B(1)O4 tetrahedra. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(8) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Rb(1), one B(1), and one B(5) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one B(2) and one B(3) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one B(3) and one B(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one B(1), and one B(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Rb(1) and one B(5) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one B(1) and one B(4) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Rb(1), one B(1), and one B(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one B(4), and one B(5) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Rb(1) and one U(1) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Rb(1) and one U(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one B(2) and one B(4) atom. F(1) is bonded in a single-bond geometry to one Rb(1) and one B(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbUB5O11F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.508
_cell_length_b   6.508
_cell_length_c   14.384
_cell_angle_alpha   85.456
_cell_angle_beta   85.456
_cell_angle_gamma   60.289
_symmetry_Int_Tables_number   1
_cell_volume   526.927
_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  0.072  0.341  0.551  1.0
  Rb  Rb1  1  0.341  0.072  0.051  1.0
  U  U2  1  0.113  0.848  0.333  1.0
  U  U3  1  0.848  0.113  0.833  1.0
  B  B4  1  0.431  0.029  0.799  1.0
  B  B5  1  0.029  0.431  0.299  1.0
  B  B6  1  0.457  0.178  0.329  1.0
  B  B7  1  0.178  0.457  0.829  1.0
  B  B8  1  0.695  0.365  0.372  1.0
  B  B9  1  0.365  0.695  0.872  1.0
  B  B10  1  0.629  0.750  0.283  1.0
  B  B11  1  0.750  0.629  0.783  1.0
  B  B12  1  0.558  0.865  0.644  1.0
  B  B13  1  0.865  0.558  0.144  1.0
  O  O14  1  0.399  0.049  0.698  1.0
  O  O15  1  0.049  0.399  0.198  1.0
  O  O16  1  0.669  0.161  0.345  1.0
  O  O17  1  0.161  0.669  0.845  1.0
  O  O18  1  0.541  0.588  0.321  1.0
  O  O19  1  0.588  0.541  0.821  1.0
  O  O20  1  0.952  0.273  0.349  1.0
  O  O21  1  0.273  0.952  0.849  1.0
  O  O22  1  0.524  0.893  0.550  1.0
  O  O23  1  0.893  0.524  0.050  1.0
  O  O24  1  0.858  0.679  0.322  1.0
  O  O25  1  0.679  0.858  0.822  1.0
  O  O26  1  0.252  0.395  0.334  1.0
  O  O27  1  0.395  0.252  0.834  1.0
  O  O28  1  0.742  0.660  0.680  1.0
  O  O29  1  0.660  0.742  0.180  1.0
  O  O30  1  0.110  0.884  0.207  1.0
  O  O31  1  0.884  0.110  0.707  1.0
  O  O32  1  0.111  0.812  0.458  1.0
  O  O33  1  0.812  0.111  0.958  1.0
  O  O34  1  0.438  0.986  0.308  1.0
  O  O35  1  0.986  0.438  0.808  1.0
  F  F36  1  0.649  0.391  0.470  1.0
  F  F37  1  0.391  0.649  0.970  1.0
[/CIF]
.
The material described by RbUB5O11F crystallizes in the monoclinic Cc space group. Rb(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(4), one O(5), one O(7), one O(8), one O(9), and one F(1) atom. U(1) is bonded in a distorted linear geometry to one O(10) and one O(9) atom. There are five inequivalent B sites. In the first B site, B(1) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form BO4 tetrahedra that share  a cornercorner with one B(3)O3F tetrahedra and  a cornercorner with one B(4)O4 tetrahedra. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(11), one O(2), and one O(7) atom. In the third B site, B(3) is bonded to one O(2), one O(3), one O(4), and one F(1) atom to form corner-sharing BO3F tetrahedra. In the fourth B site, B(4) is bonded to one O(11), one O(3), one O(6), and one O(8) atom to form BO4 tetrahedra that share  a cornercorner with one B(3)O3F tetrahedra and  a cornercorner with one B(1)O4 tetrahedra. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(8) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Rb(1), one B(1), and one B(5) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one B(2) and one B(3) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one B(3) and one B(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one B(1), and one B(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Rb(1) and one B(5) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one B(1) and one B(4) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Rb(1), one B(1), and one B(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one B(4), and one B(5) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Rb(1) and one U(1) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Rb(1) and one U(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one B(2) and one B(4) atom. F(1) is bonded in a single-bond geometry to one Rb(1) and one B(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbUB5O11F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.508
_cell_length_b   6.508
_cell_length_c   14.384
_cell_angle_alpha   85.456
_cell_angle_beta   85.456
_cell_angle_gamma   60.289
_symmetry_Int_Tables_number   1
_cell_volume   526.927
_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  0.072  0.341  0.551  1.0
  Rb  Rb1  1  0.341  0.072  0.051  1.0
  U  U2  1  0.113  0.848  0.333  1.0
  U  U3  1  0.848  0.113  0.833  1.0
  B  B4  1  0.431  0.029  0.799  1.0
  B  B5  1  0.029  0.431  0.299  1.0
  B  B6  1  0.457  0.178  0.329  1.0
  B  B7  1  0.178  0.457  0.829  1.0
  B  B8  1  0.695  0.365  0.372  1.0
  B  B9  1  0.365  0.695  0.872  1.0
  B  B10  1  0.629  0.750  0.283  1.0
  B  B11  1  0.750  0.629  0.783  1.0
  B  B12  1  0.558  0.865  0.644  1.0
  B  B13  1  0.865  0.558  0.144  1.0
  O  O14  1  0.399  0.049  0.698  1.0
  O  O15  1  0.049  0.399  0.198  1.0
  O  O16  1  0.669  0.161  0.345  1.0
  O  O17  1  0.161  0.669  0.845  1.0
  O  O18  1  0.541  0.588  0.321  1.0
  O  O19  1  0.588  0.541  0.821  1.0
  O  O20  1  0.952  0.273  0.349  1.0
  O  O21  1  0.273  0.952  0.849  1.0
  O  O22  1  0.524  0.893  0.550  1.0
  O  O23  1  0.893  0.524  0.050  1.0
  O  O24  1  0.858  0.679  0.322  1.0
  O  O25  1  0.679  0.858  0.822  1.0
  O  O26  1  0.252  0.395  0.334  1.0
  O  O27  1  0.395  0.252  0.834  1.0
  O  O28  1  0.742  0.660  0.680  1.0
  O  O29  1  0.660  0.742  0.180  1.0
  O  O30  1  0.110  0.884  0.207  1.0
  O  O31  1  0.884  0.110  0.707  1.0
  O  O32  1  0.111  0.812  0.458  1.0
  O  O33  1  0.812  0.111  0.958  1.0
  O  O34  1  0.438  0.986  0.308  1.0
  O  O35  1  0.986  0.438  0.808  1.0
  F  F36  1  0.649  0.391  0.470  1.0
  F  F37  1  0.391  0.649  0.970  1.0
[/CIF]
.