The compound described by Ce9B3C6Br5 crystallizes in the monoclinic Pm space group. There are eighteen inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 9-coordinate geometry to two equivalent B(4), two equivalent C(11), two equivalent C(2), one Br(1), and two equivalent Br(2) atoms. In the second Ce site, Ce(2) is bonded in a 10-coordinate geometry to two equivalent B(6), two equivalent C(1), two equivalent C(12), one Br(2), one Br(6), and two equivalent Br(10) atoms. In the third Ce site, Ce(3) is bonded in a 8-coordinate geometry to two equivalent B(6), one C(8), two equivalent C(1), one Br(6), and two equivalent Br(10) atoms. In the fourth Ce site, Ce(4) is bonded in a 8-coordinate geometry to two equivalent B(2), one C(7), two equivalent C(9), one Br(8), and two equivalent Br(7) atoms. In the fifth Ce site, Ce(5) is bonded in a 8-coordinate geometry to two equivalent B(5), one C(1), two equivalent C(8), one Br(7), and two equivalent Br(6) atoms. In the sixth Ce site, Ce(6) is bonded in a 8-coordinate geometry to two equivalent B(5), one C(9), two equivalent C(7), one Br(7), and two equivalent Br(8) atoms. In the seventh Ce site, Ce(7) is bonded in a 9-coordinate geometry to two equivalent B(3), two equivalent C(3), two equivalent C(6), one Br(9), and two equivalent Br(4) atoms. In the eighth Ce site, Ce(8) is bonded in a 8-coordinate geometry to two equivalent B(1), one C(4), two equivalent C(5), one Br(3), and two equivalent Br(5) atoms. In the ninth Ce site, Ce(9) is bonded in a 8-coordinate geometry to two equivalent B(1), one C(6), two equivalent C(10), one Br(4), and two equivalent Br(5) atoms. In the tenth Ce site, Ce(10) is bonded in a 8-coordinate geometry to two equivalent B(4), one C(3), two equivalent C(2), one Br(1), and two equivalent Br(9) atoms. In the eleventh Ce site, Ce(11) is bonded in a 10-coordinate geometry to two equivalent B(1), two equivalent C(10), two equivalent C(5), one Br(3), one Br(4), and two equivalent Br(5) atoms. In the twelfth Ce site, Ce(12) is bonded in a 8-coordinate geometry to two equivalent B(4), one C(12), two equivalent C(11), one Br(1), and two equivalent Br(2) atoms. In the thirteenth Ce site, Ce(13) is bonded in a 8-coordinate geometry to two equivalent B(6), one C(11), two equivalent C(12), one Br(2), and two equivalent Br(10) atoms. In the fourteenth Ce site, Ce(14) is bonded in a 8-coordinate geometry to two equivalent B(3), one C(10), two equivalent C(6), one Br(9), and two equivalent Br(4) atoms. In the fifteenth Ce site, Ce(15) is bonded in a 8-coordinate geometry to two equivalent B(3), one C(2), two equivalent C(3), one Br(9), and two equivalent Br(1) atoms. In the sixteenth Ce site, Ce(16) is bonded in a 9-coordinate geometry to two equivalent B(5), two equivalent C(7), two equivalent C(8), one Br(7), and two equivalent Br(6) atoms. In the seventeenth Ce site, Ce(17) is bonded in a 8-coordinate geometry to two equivalent B(2), one C(5), two equivalent C(4), one Br(8), and two equivalent Br(3) atoms. In the eighteenth Ce site, Ce(18) is bonded in a 9-coordinate geometry to two equivalent B(2), two equivalent C(4), two equivalent C(9), one Br(8), and two equivalent Br(3) atoms. There are six inequivalent B sites. In the first B site, B(1) is bonded in a distorted bent 150 degrees geometry to two equivalent Ce(11), two equivalent Ce(8), two equivalent Ce(9), one C(10), and one C(5) atom. In the second B site, B(2) is bonded in a bent 120 degrees geometry to two equivalent Ce(17), two equivalent Ce(18), two equivalent Ce(4), one C(4), and one C(9) atom. In the third B site, B(3) is bonded in a bent 120 degrees geometry to two equivalent Ce(14), two equivalent Ce(15), two equivalent Ce(7), one C(3), and one C(6) atom. In the fourth B site, B(4) is bonded in a bent 120 degrees geometry to two equivalent Ce(1), two equivalent Ce(10), two equivalent Ce(12), one C(11), and one C(2) atom. In the fifth B site, B(5) is bonded in a bent 120 degrees geometry to two equivalent Ce(16), two equivalent Ce(5), two equivalent Ce(6), one C(7), and one C(8) atom. In the sixth B site, B(6) is bonded in a distorted bent 150 degrees geometry to two equivalent Ce(13), two equivalent Ce(2), two equivalent Ce(3), one C(1), and one C(12) atom. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one Ce(5), two equivalent Ce(2), two equivalent Ce(3), and one B(6) atom. In the second C site, C(2) is bonded in a 6-coordinate geometry to one Ce(15), two equivalent Ce(1), two equivalent Ce(10), and one B(4) atom. In the third C site, C(3) is bonded in a 6-coordinate geometry to one Ce(10), two equivalent Ce(15), two equivalent Ce(7), and one B(3) atom. In the fourth C site, C(4) is bonded in a 6-coordinate geometry to one Ce(8), two equivalent Ce(17), two equivalent Ce(18), and one B(2) atom. In the fifth C site, C(5) is bonded in a 6-coordinate geometry to one Ce(17), two equivalent Ce(11), two equivalent Ce(8), and one B(1) atom. In the sixth C site, C(6) is bonded in a 6-coordinate geometry to one Ce(9), two equivalent Ce(14), two equivalent Ce(7), and one B(3) atom. In the seventh C site, C(7) is bonded in a 6-coordinate geometry to one Ce(4), two equivalent Ce(16), two equivalent Ce(6), and one B(5) atom. In the eighth C site, C(8) is bonded in a 6-coordinate geometry to one Ce(3), two equivalent Ce(16), two equivalent Ce(5), and one B(5) atom. In the ninth C site, C(9) is bonded in a 6-coordinate geometry to one Ce(6), two equivalent Ce(18), two equivalent Ce(4), and one B(2) atom. In the tenth C site, C(10) is bonded in a 6-coordinate geometry to one Ce(14), two equivalent Ce(11), two equivalent Ce(9), and one B(1) atom. In the eleventh C site, C(11) is bonded in a 6-coordinate geometry to one Ce(13), two equivalent Ce(1), two equivalent Ce(12), and one B(4) atom. In the twelfth C site, C(12) is bonded in a 6-coordinate geometry to one Ce(12), two equivalent Ce(13), two equivalent Ce(2), and one B(6) atom. There are ten inequivalent Br sites. In the first Br site, Br(1) is bonded to one Ce(1), one Ce(10), one Ce(12), and two equivalent Ce(15) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the second Br site, Br(2) is bonded in a 6-coordinate geometry to one Ce(13), one Ce(2), two equivalent Ce(1), and two equivalent Ce(12) atoms. In the third Br site, Br(3) is bonded in a 6-coordinate geometry to one Ce(11), one Ce(8), two equivalent Ce(17), and two equivalent Ce(18) atoms. In the fourth Br site, Br(4) is bonded in a 6-coordinate geometry to one Ce(11), one Ce(9), two equivalent Ce(14), and two equivalent Ce(7) atoms. In the fifth Br site, Br(5) is bonded in a distorted hexagonal planar geometry to two equivalent Ce(11), two equivalent Ce(8), and two equivalent Ce(9) atoms. In the sixth Br site, Br(6) is bonded in a 6-coordinate geometry to one Ce(2), one Ce(3), two equivalent Ce(16), and two equivalent Ce(5) atoms. In the seventh Br site, Br(7) is bonded to one Ce(16), one Ce(5), one Ce(6), and two equivalent Ce(4) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the eighth Br site, Br(8) is bonded to one Ce(17), one Ce(18), one Ce(4), and two equivalent Ce(6) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the ninth Br site, Br(9) is bonded to one Ce(14), one Ce(15), one Ce(7), and two equivalent Ce(10) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the tenth Br site, Br(10) is bonded in a 6-coordinate geometry to two equivalent Ce(13), two equivalent Ce(2), and two equivalent Ce(3) atoms. is represented by the CIF file [CIF]
data_Ce9B3C6Br5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.705
_cell_length_b   7.995
_cell_length_c   31.502
_cell_angle_alpha   90.038
_cell_angle_beta   90.000
_cell_angle_gamma   90.001
_symmetry_Int_Tables_number   1
_cell_volume   933.115
_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
  Ce  Ce0  1  0.250  0.919  0.596  1.0
  Ce  Ce1  1  0.750  0.450  0.750  1.0
  Ce  Ce2  1  0.750  0.055  0.802  1.0
  Ce  Ce3  1  0.750  0.805  0.010  1.0
  Ce  Ce4  1  0.250  0.345  0.870  1.0
  Ce  Ce5  1  0.250  0.194  0.990  1.0
  Ce  Ce6  1  0.750  0.081  0.404  1.0
  Ce  Ce7  1  0.250  0.945  0.198  1.0
  Ce  Ce8  1  0.250  0.945  0.302  1.0
  Ce  Ce9  1  0.250  0.194  0.510  1.0
  Ce  Ce10  1  0.250  0.551  0.250  1.0
  Ce  Ce11  1  0.250  0.345  0.631  1.0
  Ce  Ce12  1  0.750  0.055  0.698  1.0
  Ce  Ce13  1  0.750  0.656  0.369  1.0
  Ce  Ce14  1  0.750  0.805  0.490  1.0
  Ce  Ce15  1  0.250  0.918  0.904  1.0
  Ce  Ce16  1  0.750  0.656  0.131  1.0
  Ce  Ce17  1  0.750  0.081  0.096  1.0
  B  B18  1  0.750  0.787  0.250  1.0
  B  B19  1  0.250  0.847  0.078  1.0
  B  B20  1  0.250  0.847  0.422  1.0
  B  B21  1  0.750  0.152  0.578  1.0
  B  B22  1  0.750  0.152  0.922  1.0
  B  B23  1  0.250  0.213  0.750  1.0
  C  C24  1  0.250  0.281  0.795  1.0
  C  C25  1  0.750  0.016  0.543  1.0
  C  C26  1  0.250  0.983  0.457  1.0
  C  C27  1  0.250  0.874  0.126  1.0
  C  C28  1  0.750  0.719  0.205  1.0
  C  C29  1  0.250  0.874  0.373  1.0
  C  C30  1  0.750  0.016  0.957  1.0
  C  C31  1  0.750  0.127  0.874  1.0
  C  C32  1  0.250  0.984  0.044  1.0
  C  C33  1  0.750  0.719  0.295  1.0
  C  C34  1  0.750  0.127  0.626  1.0
  C  C35  1  0.250  0.281  0.705  1.0
  Br  Br36  1  0.250  0.584  0.547  1.0
  Br  Br37  1  0.750  0.671  0.652  1.0
  Br  Br38  1  0.250  0.329  0.152  1.0
  Br  Br39  1  0.250  0.329  0.348  1.0
  Br  Br40  1  0.750  0.223  0.250  1.0
  Br  Br41  1  0.750  0.671  0.848  1.0
  Br  Br42  1  0.250  0.584  0.953  1.0
  Br  Br43  1  0.750  0.416  0.047  1.0
  Br  Br44  1  0.750  0.416  0.453  1.0
  Br  Br45  1  0.250  0.778  0.750  1.0
[/CIF]
.
The compound described by Ce9B3C6Br5 crystallizes in the monoclinic Pm space group. There are eighteen inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 9-coordinate geometry to two equivalent B(4), two equivalent C(11), two equivalent C(2), one Br(1), and two equivalent Br(2) atoms. In the second Ce site, Ce(2) is bonded in a 10-coordinate geometry to two equivalent B(6), two equivalent C(1), two equivalent C(12), one Br(2), one Br(6), and two equivalent Br(10) atoms. In the third Ce site, Ce(3) is bonded in a 8-coordinate geometry to two equivalent B(6), one C(8), two equivalent C(1), one Br(6), and two equivalent Br(10) atoms. In the fourth Ce site, Ce(4) is bonded in a 8-coordinate geometry to two equivalent B(2), one C(7), two equivalent C(9), one Br(8), and two equivalent Br(7) atoms. In the fifth Ce site, Ce(5) is bonded in a 8-coordinate geometry to two equivalent B(5), one C(1), two equivalent C(8), one Br(7), and two equivalent Br(6) atoms. In the sixth Ce site, Ce(6) is bonded in a 8-coordinate geometry to two equivalent B(5), one C(9), two equivalent C(7), one Br(7), and two equivalent Br(8) atoms. In the seventh Ce site, Ce(7) is bonded in a 9-coordinate geometry to two equivalent B(3), two equivalent C(3), two equivalent C(6), one Br(9), and two equivalent Br(4) atoms. In the eighth Ce site, Ce(8) is bonded in a 8-coordinate geometry to two equivalent B(1), one C(4), two equivalent C(5), one Br(3), and two equivalent Br(5) atoms. In the ninth Ce site, Ce(9) is bonded in a 8-coordinate geometry to two equivalent B(1), one C(6), two equivalent C(10), one Br(4), and two equivalent Br(5) atoms. In the tenth Ce site, Ce(10) is bonded in a 8-coordinate geometry to two equivalent B(4), one C(3), two equivalent C(2), one Br(1), and two equivalent Br(9) atoms. In the eleventh Ce site, Ce(11) is bonded in a 10-coordinate geometry to two equivalent B(1), two equivalent C(10), two equivalent C(5), one Br(3), one Br(4), and two equivalent Br(5) atoms. In the twelfth Ce site, Ce(12) is bonded in a 8-coordinate geometry to two equivalent B(4), one C(12), two equivalent C(11), one Br(1), and two equivalent Br(2) atoms. In the thirteenth Ce site, Ce(13) is bonded in a 8-coordinate geometry to two equivalent B(6), one C(11), two equivalent C(12), one Br(2), and two equivalent Br(10) atoms. In the fourteenth Ce site, Ce(14) is bonded in a 8-coordinate geometry to two equivalent B(3), one C(10), two equivalent C(6), one Br(9), and two equivalent Br(4) atoms. In the fifteenth Ce site, Ce(15) is bonded in a 8-coordinate geometry to two equivalent B(3), one C(2), two equivalent C(3), one Br(9), and two equivalent Br(1) atoms. In the sixteenth Ce site, Ce(16) is bonded in a 9-coordinate geometry to two equivalent B(5), two equivalent C(7), two equivalent C(8), one Br(7), and two equivalent Br(6) atoms. In the seventeenth Ce site, Ce(17) is bonded in a 8-coordinate geometry to two equivalent B(2), one C(5), two equivalent C(4), one Br(8), and two equivalent Br(3) atoms. In the eighteenth Ce site, Ce(18) is bonded in a 9-coordinate geometry to two equivalent B(2), two equivalent C(4), two equivalent C(9), one Br(8), and two equivalent Br(3) atoms. There are six inequivalent B sites. In the first B site, B(1) is bonded in a distorted bent 150 degrees geometry to two equivalent Ce(11), two equivalent Ce(8), two equivalent Ce(9), one C(10), and one C(5) atom. In the second B site, B(2) is bonded in a bent 120 degrees geometry to two equivalent Ce(17), two equivalent Ce(18), two equivalent Ce(4), one C(4), and one C(9) atom. In the third B site, B(3) is bonded in a bent 120 degrees geometry to two equivalent Ce(14), two equivalent Ce(15), two equivalent Ce(7), one C(3), and one C(6) atom. In the fourth B site, B(4) is bonded in a bent 120 degrees geometry to two equivalent Ce(1), two equivalent Ce(10), two equivalent Ce(12), one C(11), and one C(2) atom. In the fifth B site, B(5) is bonded in a bent 120 degrees geometry to two equivalent Ce(16), two equivalent Ce(5), two equivalent Ce(6), one C(7), and one C(8) atom. In the sixth B site, B(6) is bonded in a distorted bent 150 degrees geometry to two equivalent Ce(13), two equivalent Ce(2), two equivalent Ce(3), one C(1), and one C(12) atom. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one Ce(5), two equivalent Ce(2), two equivalent Ce(3), and one B(6) atom. In the second C site, C(2) is bonded in a 6-coordinate geometry to one Ce(15), two equivalent Ce(1), two equivalent Ce(10), and one B(4) atom. In the third C site, C(3) is bonded in a 6-coordinate geometry to one Ce(10), two equivalent Ce(15), two equivalent Ce(7), and one B(3) atom. In the fourth C site, C(4) is bonded in a 6-coordinate geometry to one Ce(8), two equivalent Ce(17), two equivalent Ce(18), and one B(2) atom. In the fifth C site, C(5) is bonded in a 6-coordinate geometry to one Ce(17), two equivalent Ce(11), two equivalent Ce(8), and one B(1) atom. In the sixth C site, C(6) is bonded in a 6-coordinate geometry to one Ce(9), two equivalent Ce(14), two equivalent Ce(7), and one B(3) atom. In the seventh C site, C(7) is bonded in a 6-coordinate geometry to one Ce(4), two equivalent Ce(16), two equivalent Ce(6), and one B(5) atom. In the eighth C site, C(8) is bonded in a 6-coordinate geometry to one Ce(3), two equivalent Ce(16), two equivalent Ce(5), and one B(5) atom. In the ninth C site, C(9) is bonded in a 6-coordinate geometry to one Ce(6), two equivalent Ce(18), two equivalent Ce(4), and one B(2) atom. In the tenth C site, C(10) is bonded in a 6-coordinate geometry to one Ce(14), two equivalent Ce(11), two equivalent Ce(9), and one B(1) atom. In the eleventh C site, C(11) is bonded in a 6-coordinate geometry to one Ce(13), two equivalent Ce(1), two equivalent Ce(12), and one B(4) atom. In the twelfth C site, C(12) is bonded in a 6-coordinate geometry to one Ce(12), two equivalent Ce(13), two equivalent Ce(2), and one B(6) atom. There are ten inequivalent Br sites. In the first Br site, Br(1) is bonded to one Ce(1), one Ce(10), one Ce(12), and two equivalent Ce(15) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the second Br site, Br(2) is bonded in a 6-coordinate geometry to one Ce(13), one Ce(2), two equivalent Ce(1), and two equivalent Ce(12) atoms. In the third Br site, Br(3) is bonded in a 6-coordinate geometry to one Ce(11), one Ce(8), two equivalent Ce(17), and two equivalent Ce(18) atoms. In the fourth Br site, Br(4) is bonded in a 6-coordinate geometry to one Ce(11), one Ce(9), two equivalent Ce(14), and two equivalent Ce(7) atoms. In the fifth Br site, Br(5) is bonded in a distorted hexagonal planar geometry to two equivalent Ce(11), two equivalent Ce(8), and two equivalent Ce(9) atoms. In the sixth Br site, Br(6) is bonded in a 6-coordinate geometry to one Ce(2), one Ce(3), two equivalent Ce(16), and two equivalent Ce(5) atoms. In the seventh Br site, Br(7) is bonded to one Ce(16), one Ce(5), one Ce(6), and two equivalent Ce(4) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the eighth Br site, Br(8) is bonded to one Ce(17), one Ce(18), one Ce(4), and two equivalent Ce(6) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the ninth Br site, Br(9) is bonded to one Ce(14), one Ce(15), one Ce(7), and two equivalent Ce(10) atoms to form a mixture of distorted edge and corner-sharing BrCe5 trigonal bipyramids. In the tenth Br site, Br(10) is bonded in a 6-coordinate geometry to two equivalent Ce(13), two equivalent Ce(2), and two equivalent Ce(3) atoms. is represented by the CIF file [CIF]
data_Ce9B3C6Br5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.705
_cell_length_b   7.995
_cell_length_c   31.502
_cell_angle_alpha   90.038
_cell_angle_beta   90.000
_cell_angle_gamma   90.001
_symmetry_Int_Tables_number   1
_cell_volume   933.115
_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
  Ce  Ce0  1  0.250  0.919  0.596  1.0
  Ce  Ce1  1  0.750  0.450  0.750  1.0
  Ce  Ce2  1  0.750  0.055  0.802  1.0
  Ce  Ce3  1  0.750  0.805  0.010  1.0
  Ce  Ce4  1  0.250  0.345  0.870  1.0
  Ce  Ce5  1  0.250  0.194  0.990  1.0
  Ce  Ce6  1  0.750  0.081  0.404  1.0
  Ce  Ce7  1  0.250  0.945  0.198  1.0
  Ce  Ce8  1  0.250  0.945  0.302  1.0
  Ce  Ce9  1  0.250  0.194  0.510  1.0
  Ce  Ce10  1  0.250  0.551  0.250  1.0
  Ce  Ce11  1  0.250  0.345  0.631  1.0
  Ce  Ce12  1  0.750  0.055  0.698  1.0
  Ce  Ce13  1  0.750  0.656  0.369  1.0
  Ce  Ce14  1  0.750  0.805  0.490  1.0
  Ce  Ce15  1  0.250  0.918  0.904  1.0
  Ce  Ce16  1  0.750  0.656  0.131  1.0
  Ce  Ce17  1  0.750  0.081  0.096  1.0
  B  B18  1  0.750  0.787  0.250  1.0
  B  B19  1  0.250  0.847  0.078  1.0
  B  B20  1  0.250  0.847  0.422  1.0
  B  B21  1  0.750  0.152  0.578  1.0
  B  B22  1  0.750  0.152  0.922  1.0
  B  B23  1  0.250  0.213  0.750  1.0
  C  C24  1  0.250  0.281  0.795  1.0
  C  C25  1  0.750  0.016  0.543  1.0
  C  C26  1  0.250  0.983  0.457  1.0
  C  C27  1  0.250  0.874  0.126  1.0
  C  C28  1  0.750  0.719  0.205  1.0
  C  C29  1  0.250  0.874  0.373  1.0
  C  C30  1  0.750  0.016  0.957  1.0
  C  C31  1  0.750  0.127  0.874  1.0
  C  C32  1  0.250  0.984  0.044  1.0
  C  C33  1  0.750  0.719  0.295  1.0
  C  C34  1  0.750  0.127  0.626  1.0
  C  C35  1  0.250  0.281  0.705  1.0
  Br  Br36  1  0.250  0.584  0.547  1.0
  Br  Br37  1  0.750  0.671  0.652  1.0
  Br  Br38  1  0.250  0.329  0.152  1.0
  Br  Br39  1  0.250  0.329  0.348  1.0
  Br  Br40  1  0.750  0.223  0.250  1.0
  Br  Br41  1  0.750  0.671  0.848  1.0
  Br  Br42  1  0.250  0.584  0.953  1.0
  Br  Br43  1  0.750  0.416  0.047  1.0
  Br  Br44  1  0.750  0.416  0.453  1.0
  Br  Br45  1  0.250  0.778  0.750  1.0
[/CIF]
.