data_YB11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.32
_cell_length_b   5.32
_cell_length_c   5.32
_cell_angle_alpha   126.88
_cell_angle_beta   126.88
_cell_angle_gamma   78.44
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YB11
_chemical_formula_sum   'Y1 B11'
_cell_volume   93.25
_cell_formula_units_Z   1
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
  Y  Y11  1  0.0  0.38  0.06  1.0
  B  B0  1  0.0  0.0  0.79  1.0
  B  B1  1  0.0  0.0  0.45  1.0
  B  B2  1  0.46  0.46  0.0  1.0
  B  B3  1  0.92  0.92  0.12  1.0
  B  B4  1  0.08  0.92  0.12  1.0
  B  B5  1  0.92  0.08  0.12  1.0
  B  B6  1  0.17  0.0  0.41  1.0
  B  B7  1  0.59  0.0  0.41  1.0
  B  B8  1  0.38  0.21  0.72  1.0
  B  B9  1  0.38  0.79  0.72  1.0
  B  B10  1  0.0  0.0  0.0  1.0

data_YB11
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.76
_cell_length_b   4.76
_cell_length_c   5.32
_cell_angle_alpha   116.56
_cell_angle_beta   116.56
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YB11
_chemical_formula_sum   'Y1 B11'
_cell_volume   93.25
_cell_formula_units_Z   1
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
  Y  Y0  1  0.68  0.06  0.68  1.0
  B  B1  1  0.0  0.0  0.0  1.0
  B  B2  1  0.04  0.2  0.12  1.0
  B  B3  1  0.2  0.2  0.28  1.0
  B  B4  1  0.2  0.04  0.12  1.0
  B  B5  1  0.41  0.81  0.81  1.0
  B  B6  1  0.41  0.24  0.24  1.0
  B  B7  1  0.45  0.45  0.45  1.0
  B  B8  1  0.5  0.34  0.12  1.0
  B  B9  1  0.54  0.54  0.08  1.0
  B  B10  1  0.79  0.79  0.79  1.0
  B  B11  1  0.93  0.34  0.55  1.0

Y B B B B B B B B B B B
YB11 crystallizes in the triclinic P1 space group. Y(1) is bonded in a 1-coordinate geometry to one B(1), one B(10), one B(11), and one B(8) atom. The Y(1)-B(1) bond length is 1.62 Å. The Y(1)-B(10) bond length is 2.27 Å. The Y(1)-B(11) bond length is 1.84 Å. The Y(1)-B(8) bond length is 2.27 Å. There are eleven inequivalent B sites. In the first B site, B(1) is bonded in a 2-coordinate geometry to one Y(1), one B(11), and one B(8) atom. The B(1)-B(11) bond length is 1.10 Å. The B(1)-B(8) bond length is 1.90 Å. In the second B site, B(2) is bonded in a distorted single-bond geometry to one B(4), one B(7), and one B(8) atom. The B(2)-B(4) bond length is 1.30 Å. The B(2)-B(7) bond length is 1.04 Å. The B(2)-B(8) bond length is 2.04 Å. In the third B site, B(3) is bonded in a distorted single-bond geometry to one B(8) and one B(9) atom. The B(3)-B(8) bond length is 2.23 Å. The B(3)-B(9) bond length is 1.12 Å. In the fourth B site, B(4) is bonded in a 4-coordinate geometry to one B(2), one B(5), one B(6), and one B(7) atom. The B(4)-B(5) bond length is 0.86 Å. The B(4)-B(6) bond length is 0.86 Å. The B(4)-B(7) bond length is 1.12 Å. In the fifth B site, B(5) is bonded in a 3-coordinate geometry to one B(11), one B(4), one B(7), and one B(8) atom. The B(5)-B(11) bond length is 0.84 Å. The B(5)-B(7) bond length is 1.07 Å. The B(5)-B(8) bond length is 2.14 Å. In the sixth B site, B(6) is bonded in a distorted L-shaped geometry to one B(11) and one B(4) atom. The B(6)-B(11) bond length is 0.84 Å. In the seventh B site, B(7) is bonded in a 4-coordinate geometry to one B(2), one B(4), one B(5), and one B(9) atom. The B(7)-B(9) bond length is 1.14 Å. In the eighth B site, B(8) is bonded in a 6-coordinate geometry to one Y(1), one B(1), one B(2), one B(3), one B(5), and one B(9) atom. The B(8)-B(9) bond length is 2.18 Å. In the ninth B site, B(9) is bonded in a bent 150 degrees geometry to one B(3), one B(7), and one B(8) atom. In the tenth B site, B(10) is bonded in a distorted single-bond geometry to one Y(1) atom. In the eleventh B site, B(11) is bonded in a 4-coordinate geometry to one Y(1), one B(1), one B(5), and one B(6) atom.