The compound described by Ce5C2Cl9 crystallizes in the triclinic P-1 space group. There are five inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one C(2), one Cl(1), one Cl(7), one Cl(8), two equivalent Cl(2), and two equivalent Cl(4) atoms. In the second Ce site, Ce(2) is bonded in a 9-coordinate geometry to one C(1), one C(2), one Cl(1), one Cl(10), one Cl(2), one Cl(5), one Cl(6), one Cl(7), and one Cl(9) atom. In the third Ce site, Ce(3) is bonded in a 8-coordinate geometry to one C(1), one C(2), one Cl(1), one Cl(10), one Cl(4), one Cl(5), one Cl(6), and one Cl(7) atom. In the fourth Ce site, Ce(4) is bonded in a 9-coordinate geometry to one C(1), one C(2), one Cl(1), one Cl(10), one Cl(2), one Cl(3), one Cl(6), one Cl(7), and one Cl(8) atom. In the fifth Ce site, Ce(5) is bonded in a 8-coordinate geometry to one C(1), one Cl(10), one Cl(7), one Cl(9), two equivalent Cl(3), and two equivalent Cl(5) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 5-coordinate geometry to one Ce(2), one Ce(3), one Ce(4), one Ce(5), and one C(2) atom. In the second C site, C(2) is bonded in a 5-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one C(1) atom. There are ten inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), and one Ce(4) atom. In the second Cl site, Cl(2) is bonded in a distorted see-saw-like geometry to one Ce(2), one Ce(4), and two equivalent Ce(1) atoms. In the third Cl site, Cl(3) is bonded in a trigonal non-coplanar geometry to one Ce(4) and two equivalent Ce(5) atoms. In the fourth Cl site, Cl(4) is bonded in a trigonal non-coplanar geometry to one Ce(3) and two equivalent Ce(1) atoms. In the fifth Cl site, Cl(5) is bonded in a 4-coordinate geometry to one Ce(2), one Ce(3), and two equivalent Ce(5) atoms. In the sixth Cl site, Cl(6) is bonded in a trigonal planar geometry to one Ce(2), one Ce(3), and one Ce(4) atom. In the seventh Cl site, Cl(7) is bonded in a distorted trigonal bipyramidal geometry to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one Ce(5) atom. In the eighth Cl site, Cl(8) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ce(1) and two equivalent Ce(4) atoms. In the ninth Cl site, Cl(9) is bonded in a distorted linear geometry to two equivalent Ce(2) and two equivalent Ce(5) atoms. In the tenth Cl site, Cl(10) is bonded in a see-saw-like geometry to one Ce(2), one Ce(3), one Ce(4), and one Ce(5) atom. is represented by the CIF file [CIF]
data_Ce5C2Cl9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.686
_cell_length_b   8.802
_cell_length_c   11.907
_cell_angle_alpha   95.418
_cell_angle_beta   96.222
_cell_angle_gamma   60.897
_symmetry_Int_Tables_number   1
_cell_volume   789.803
_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  0.897  0.295  0.010  1.0
  Ce  Ce1  1  0.103  0.705  0.990  1.0
  Ce  Ce2  1  0.128  0.265  0.733  1.0
  Ce  Ce3  1  0.234  0.906  0.267  1.0
  Ce  Ce4  1  0.378  0.402  0.217  1.0
  Ce  Ce5  1  0.206  0.671  0.513  1.0
  Ce  Ce6  1  0.794  0.329  0.487  1.0
  Ce  Ce7  1  0.622  0.598  0.783  1.0
  Ce  Ce8  1  0.766  0.094  0.733  1.0
  Ce  Ce9  1  0.872  0.735  0.267  1.0
  C  C10  1  0.170  0.679  0.312  1.0
  C  C11  1  0.140  0.692  0.187  1.0
  C  C12  1  0.830  0.321  0.688  1.0
  C  C13  1  0.860  0.308  0.813  1.0
  Cl  Cl14  1  0.929  0.652  0.769  1.0
  Cl  Cl15  1  0.790  0.666  0.028  1.0
  Cl  Cl16  1  0.465  0.325  0.450  1.0
  Cl  Cl17  1  0.787  0.040  0.966  1.0
  Cl  Cl18  1  0.071  0.348  0.231  1.0
  Cl  Cl19  1  0.213  0.960  0.034  1.0
  Cl  Cl20  1  0.164  0.059  0.498  1.0
  Cl  Cl21  1  0.496  0.988  0.755  1.0
  Cl  Cl22  1  0.210  0.334  0.972  1.0
  Cl  Cl23  1  0.535  0.675  0.550  1.0
  Cl  Cl24  1  0.848  0.117  0.253  1.0
  Cl  Cl25  1  0.152  0.883  0.747  1.0
  Cl  Cl26  1  0.500  0.500  0.000  1.0
  Cl  Cl27  1  0.504  0.012  0.245  1.0
  Cl  Cl28  1  0.836  0.941  0.502  1.0
  Cl  Cl29  1  0.000  0.500  0.500  1.0
  Cl  Cl30  1  0.394  0.426  0.722  1.0
  Cl  Cl31  1  0.606  0.574  0.278  1.0
[/CIF]
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The compound described by Ce5C2Cl9 crystallizes in the triclinic P-1 space group. There are five inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one C(2), one Cl(1), one Cl(7), one Cl(8), two equivalent Cl(2), and two equivalent Cl(4) atoms. In the second Ce site, Ce(2) is bonded in a 9-coordinate geometry to one C(1), one C(2), one Cl(1), one Cl(10), one Cl(2), one Cl(5), one Cl(6), one Cl(7), and one Cl(9) atom. In the third Ce site, Ce(3) is bonded in a 8-coordinate geometry to one C(1), one C(2), one Cl(1), one Cl(10), one Cl(4), one Cl(5), one Cl(6), and one Cl(7) atom. In the fourth Ce site, Ce(4) is bonded in a 9-coordinate geometry to one C(1), one C(2), one Cl(1), one Cl(10), one Cl(2), one Cl(3), one Cl(6), one Cl(7), and one Cl(8) atom. In the fifth Ce site, Ce(5) is bonded in a 8-coordinate geometry to one C(1), one Cl(10), one Cl(7), one Cl(9), two equivalent Cl(3), and two equivalent Cl(5) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 5-coordinate geometry to one Ce(2), one Ce(3), one Ce(4), one Ce(5), and one C(2) atom. In the second C site, C(2) is bonded in a 5-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one C(1) atom. There are ten inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), and one Ce(4) atom. In the second Cl site, Cl(2) is bonded in a distorted see-saw-like geometry to one Ce(2), one Ce(4), and two equivalent Ce(1) atoms. In the third Cl site, Cl(3) is bonded in a trigonal non-coplanar geometry to one Ce(4) and two equivalent Ce(5) atoms. In the fourth Cl site, Cl(4) is bonded in a trigonal non-coplanar geometry to one Ce(3) and two equivalent Ce(1) atoms. In the fifth Cl site, Cl(5) is bonded in a 4-coordinate geometry to one Ce(2), one Ce(3), and two equivalent Ce(5) atoms. In the sixth Cl site, Cl(6) is bonded in a trigonal planar geometry to one Ce(2), one Ce(3), and one Ce(4) atom. In the seventh Cl site, Cl(7) is bonded in a distorted trigonal bipyramidal geometry to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one Ce(5) atom. In the eighth Cl site, Cl(8) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ce(1) and two equivalent Ce(4) atoms. In the ninth Cl site, Cl(9) is bonded in a distorted linear geometry to two equivalent Ce(2) and two equivalent Ce(5) atoms. In the tenth Cl site, Cl(10) is bonded in a see-saw-like geometry to one Ce(2), one Ce(3), one Ce(4), and one Ce(5) atom. is represented by the CIF file [CIF]
data_Ce5C2Cl9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.686
_cell_length_b   8.802
_cell_length_c   11.907
_cell_angle_alpha   95.418
_cell_angle_beta   96.222
_cell_angle_gamma   60.897
_symmetry_Int_Tables_number   1
_cell_volume   789.803
_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  0.897  0.295  0.010  1.0
  Ce  Ce1  1  0.103  0.705  0.990  1.0
  Ce  Ce2  1  0.128  0.265  0.733  1.0
  Ce  Ce3  1  0.234  0.906  0.267  1.0
  Ce  Ce4  1  0.378  0.402  0.217  1.0
  Ce  Ce5  1  0.206  0.671  0.513  1.0
  Ce  Ce6  1  0.794  0.329  0.487  1.0
  Ce  Ce7  1  0.622  0.598  0.783  1.0
  Ce  Ce8  1  0.766  0.094  0.733  1.0
  Ce  Ce9  1  0.872  0.735  0.267  1.0
  C  C10  1  0.170  0.679  0.312  1.0
  C  C11  1  0.140  0.692  0.187  1.0
  C  C12  1  0.830  0.321  0.688  1.0
  C  C13  1  0.860  0.308  0.813  1.0
  Cl  Cl14  1  0.929  0.652  0.769  1.0
  Cl  Cl15  1  0.790  0.666  0.028  1.0
  Cl  Cl16  1  0.465  0.325  0.450  1.0
  Cl  Cl17  1  0.787  0.040  0.966  1.0
  Cl  Cl18  1  0.071  0.348  0.231  1.0
  Cl  Cl19  1  0.213  0.960  0.034  1.0
  Cl  Cl20  1  0.164  0.059  0.498  1.0
  Cl  Cl21  1  0.496  0.988  0.755  1.0
  Cl  Cl22  1  0.210  0.334  0.972  1.0
  Cl  Cl23  1  0.535  0.675  0.550  1.0
  Cl  Cl24  1  0.848  0.117  0.253  1.0
  Cl  Cl25  1  0.152  0.883  0.747  1.0
  Cl  Cl26  1  0.500  0.500  0.000  1.0
  Cl  Cl27  1  0.504  0.012  0.245  1.0
  Cl  Cl28  1  0.836  0.941  0.502  1.0
  Cl  Cl29  1  0.000  0.500  0.500  1.0
  Cl  Cl30  1  0.394  0.426  0.722  1.0
  Cl  Cl31  1  0.606  0.574  0.278  1.0
[/CIF]
.