The compound described by B9C crystallizes in the triclinic P1 space group. There are eighteen inequivalent B sites. In the first B site, B(1) is bonded in a distorted hexagonal planar geometry to one B(10), one B(13), one B(16), one B(17), one B(18), and one B(2) atom. In the second B site, B(2) is bonded in a 6-coordinate geometry to one B(1), one B(10), one B(16), one B(17), one B(5), and one B(6) atom. In the third B site, B(3) is bonded in a distorted single-bond geometry to one B(15), one B(18), one B(7), one B(8), and one C(1) atom. In the fourth B site, B(4) is bonded in a distorted single-bond geometry to one B(14), one B(15), and one C(1) atom. In the fifth B site, B(5) is bonded in a distorted single-bond geometry to one B(14), one B(2), one B(7), and one C(2) atom. In the sixth B site, B(6) is bonded in a distorted single-bond geometry to one B(14), one B(16), one B(2), and one C(2) atom. In the seventh B site, B(7) is bonded in a 6-coordinate geometry to one B(11), one B(12), one B(15), one B(18), one B(3), and one B(5) atom. In the eighth B site, B(8) is bonded in a 6-coordinate geometry to one B(10), one B(13), one B(15), one B(18), one B(3), and one B(9) atom. In the ninth B site, B(9) is bonded in a distorted single-bond geometry to one B(16), one B(18), one B(8), and one C(1) atom. In the tenth B site, B(10) is bonded in a 6-coordinate geometry to one B(1), one B(13), one B(17), one B(18), one B(2), and one B(8) atom. In the eleventh B site, B(11) is bonded in a distorted single-bond geometry to one B(14), one B(15), one B(7), and one C(1) atom. In the twelfth B site, B(12) is bonded in a distorted single-bond geometry to one B(14), one B(15), one B(7), and one C(2) atom. In the thirteenth B site, B(13) is bonded in a distorted single-bond geometry to one B(1), one B(10), one B(16), one B(17), one B(8), and one C(2) atom. In the fourteenth B site, B(14) is bonded to one B(11), one B(12), one B(17), one B(4), one B(5), and one B(6) atom to form distorted BB6 octahedra that share corners with two equivalent C(1)B4 tetrahedra. In the fifteenth B site, B(15) is bonded in a 7-coordinate geometry to one B(11), one B(12), one B(18), one B(3), one B(4), one B(7), and one B(8) atom. In the sixteenth B site, B(16) is bonded in a distorted hexagonal planar geometry to one B(1), one B(13), one B(17), one B(2), one B(6), and one B(9) atom. In the seventeenth B site, B(17) is bonded in a 6-coordinate geometry to one B(1), one B(10), one B(13), one B(14), one B(16), and one B(2) atom. In the eighteenth B site, B(18) is bonded in a 7-coordinate geometry to one B(1), one B(10), one B(15), one B(3), one B(7), one B(8), and one B(9) atom. There are two inequivalent C sites. In the first C site, C(1) is bonded to one B(11), one B(3), one B(4), and one B(9) atom to form CB4 tetrahedra that share corners with two equivalent B(14)B6 octahedra. The corner-sharing octahedral tilt angles range from 38-58°. In the second C site, C(2) is bonded in a 4-coordinate geometry to one B(12), one B(13), one B(5), and one B(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_B9C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.312
_cell_length_b   4.835
_cell_length_c   7.374
_cell_angle_alpha   85.238
_cell_angle_beta   81.962
_cell_angle_gamma   80.520
_symmetry_Int_Tables_number   1
_cell_volume   149.872
_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
  B  B0  1  0.976  0.252  0.691  1.0
  B  B1  1  0.909  0.639  0.607  1.0
  B  B2  1  0.170  0.130  0.045  1.0
  B  B3  1  0.377  0.571  0.177  1.0
  B  B4  1  0.810  0.771  0.363  1.0
  B  B5  1  0.223  0.702  0.432  1.0
  B  B6  1  0.851  0.974  0.141  1.0
  B  B7  1  0.376  0.932  0.855  1.0
  B  B8  1  0.216  0.618  0.864  1.0
  B  B9  1  0.748  0.960  0.718  1.0
  B  B10  1  0.805  0.618  0.154  1.0
  B  B11  1  0.565  0.126  0.291  1.0
  B  B12  1  0.386  0.107  0.631  1.0
  B  B13  1  0.599  0.468  0.346  1.0
  B  B14  1  0.527  0.894  0.061  1.0
  B  B15  1  0.273  0.473  0.657  1.0
  B  B16  1  0.663  0.349  0.568  1.0
  B  B17  1  0.974  0.003  0.892  1.0
  C  C18  1  0.142  0.462  0.058  1.0
  C  C19  1  0.409  0.951  0.447  1.0
[/CIF]
.
The compound described by B9C crystallizes in the triclinic P1 space group. There are eighteen inequivalent B sites. In the first B site, B(1) is bonded in a distorted hexagonal planar geometry to one B(10), one B(13), one B(16), one B(17), one B(18), and one B(2) atom. In the second B site, B(2) is bonded in a 6-coordinate geometry to one B(1), one B(10), one B(16), one B(17), one B(5), and one B(6) atom. In the third B site, B(3) is bonded in a distorted single-bond geometry to one B(15), one B(18), one B(7), one B(8), and one C(1) atom. In the fourth B site, B(4) is bonded in a distorted single-bond geometry to one B(14), one B(15), and one C(1) atom. In the fifth B site, B(5) is bonded in a distorted single-bond geometry to one B(14), one B(2), one B(7), and one C(2) atom. In the sixth B site, B(6) is bonded in a distorted single-bond geometry to one B(14), one B(16), one B(2), and one C(2) atom. In the seventh B site, B(7) is bonded in a 6-coordinate geometry to one B(11), one B(12), one B(15), one B(18), one B(3), and one B(5) atom. In the eighth B site, B(8) is bonded in a 6-coordinate geometry to one B(10), one B(13), one B(15), one B(18), one B(3), and one B(9) atom. In the ninth B site, B(9) is bonded in a distorted single-bond geometry to one B(16), one B(18), one B(8), and one C(1) atom. In the tenth B site, B(10) is bonded in a 6-coordinate geometry to one B(1), one B(13), one B(17), one B(18), one B(2), and one B(8) atom. In the eleventh B site, B(11) is bonded in a distorted single-bond geometry to one B(14), one B(15), one B(7), and one C(1) atom. In the twelfth B site, B(12) is bonded in a distorted single-bond geometry to one B(14), one B(15), one B(7), and one C(2) atom. In the thirteenth B site, B(13) is bonded in a distorted single-bond geometry to one B(1), one B(10), one B(16), one B(17), one B(8), and one C(2) atom. In the fourteenth B site, B(14) is bonded to one B(11), one B(12), one B(17), one B(4), one B(5), and one B(6) atom to form distorted BB6 octahedra that share corners with two equivalent C(1)B4 tetrahedra. In the fifteenth B site, B(15) is bonded in a 7-coordinate geometry to one B(11), one B(12), one B(18), one B(3), one B(4), one B(7), and one B(8) atom. In the sixteenth B site, B(16) is bonded in a distorted hexagonal planar geometry to one B(1), one B(13), one B(17), one B(2), one B(6), and one B(9) atom. In the seventeenth B site, B(17) is bonded in a 6-coordinate geometry to one B(1), one B(10), one B(13), one B(14), one B(16), and one B(2) atom. In the eighteenth B site, B(18) is bonded in a 7-coordinate geometry to one B(1), one B(10), one B(15), one B(3), one B(7), one B(8), and one B(9) atom. There are two inequivalent C sites. In the first C site, C(1) is bonded to one B(11), one B(3), one B(4), and one B(9) atom to form CB4 tetrahedra that share corners with two equivalent B(14)B6 octahedra. The corner-sharing octahedral tilt angles range from 38-58°. In the second C site, C(2) is bonded in a 4-coordinate geometry to one B(12), one B(13), one B(5), and one B(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_B9C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.312
_cell_length_b   4.835
_cell_length_c   7.374
_cell_angle_alpha   85.238
_cell_angle_beta   81.962
_cell_angle_gamma   80.520
_symmetry_Int_Tables_number   1
_cell_volume   149.872
_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
  B  B0  1  0.976  0.252  0.691  1.0
  B  B1  1  0.909  0.639  0.607  1.0
  B  B2  1  0.170  0.130  0.045  1.0
  B  B3  1  0.377  0.571  0.177  1.0
  B  B4  1  0.810  0.771  0.363  1.0
  B  B5  1  0.223  0.702  0.432  1.0
  B  B6  1  0.851  0.974  0.141  1.0
  B  B7  1  0.376  0.932  0.855  1.0
  B  B8  1  0.216  0.618  0.864  1.0
  B  B9  1  0.748  0.960  0.718  1.0
  B  B10  1  0.805  0.618  0.154  1.0
  B  B11  1  0.565  0.126  0.291  1.0
  B  B12  1  0.386  0.107  0.631  1.0
  B  B13  1  0.599  0.468  0.346  1.0
  B  B14  1  0.527  0.894  0.061  1.0
  B  B15  1  0.273  0.473  0.657  1.0
  B  B16  1  0.663  0.349  0.568  1.0
  B  B17  1  0.974  0.003  0.892  1.0
  C  C18  1  0.142  0.462  0.058  1.0
  C  C19  1  0.409  0.951  0.447  1.0
[/CIF]
.