The crystal structure described by RbCe3Te8 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 8-coordinate geometry to one Te(1), one Te(2), two equivalent Te(3), two equivalent Te(6), and two equivalent Te(7) atoms. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one Te(2), one Te(3), one Te(6), one Te(8), two equivalent Te(4), and two equivalent Te(5) atoms. In the second Ce site, Ce(2) is bonded in a 8-coordinate geometry to one Te(2), one Te(3), one Te(5), one Te(7), two equivalent Te(4), and two equivalent Te(8) atoms. In the third Ce site, Ce(3) is bonded in a 9-coordinate geometry to one Te(4), one Te(6), one Te(7), two equivalent Te(1), two equivalent Te(5), and two equivalent Te(8) atoms. There are eight inequivalent Te sites. In the first Te site, Te(5) is bonded to one Ce(2), two equivalent Ce(1), and two equivalent Ce(3) atoms to form a mixture of distorted corner and edge-sharing TeCe5 trigonal bipyramids. In the second Te site, Te(6) is bonded in a 6-coordinate geometry to two equivalent Rb(1), one Ce(1), one Ce(3), one Te(1), and one Te(2) atom. In the third Te site, Te(7) is bonded in a 7-coordinate geometry to two equivalent Rb(1), one Ce(2), one Ce(3), one Te(2), and two equivalent Te(1) atoms. In the fourth Te site, Te(8) is bonded to one Ce(1), two equivalent Ce(2), and two equivalent Ce(3) atoms to form a mixture of distorted corner and edge-sharing TeCe5 trigonal bipyramids. In the fifth Te site, Te(1) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Ce(3), one Te(6), and two equivalent Te(7) atoms. In the sixth Te site, Te(2) is bonded in a 7-coordinate geometry to one Rb(1), one Ce(1), one Ce(2), one Te(6), one Te(7), and two equivalent Te(3) atoms. In the seventh Te site, Te(3) is bonded in a 6-coordinate geometry to two equivalent Rb(1), one Ce(1), one Ce(2), and two equivalent Te(2) atoms. In the eighth Te site, Te(4) is bonded to one Ce(3), two equivalent Ce(1), and two equivalent Ce(2) atoms to form a mixture of distorted corner and edge-sharing TeCe5 trigonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbCe3Te8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.134
_cell_length_b   13.081
_cell_length_c   14.176
_cell_angle_alpha   90.000
_cell_angle_beta   99.342
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1671.371
_cell_formula_units_Z   4
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  0.743  0.592  0.963  1.0
  Rb  Rb1  1  0.257  0.408  0.037  1.0
  Rb  Rb2  1  0.757  0.092  0.037  1.0
  Rb  Rb3  1  0.243  0.908  0.963  1.0
  Ce  Ce4  1  0.903  0.916  0.647  1.0
  Ce  Ce5  1  0.097  0.084  0.353  1.0
  Ce  Ce6  1  0.597  0.416  0.353  1.0
  Ce  Ce7  1  0.403  0.584  0.647  1.0
  Ce  Ce8  1  0.920  0.585  0.649  1.0
  Ce  Ce9  1  0.080  0.415  0.351  1.0
  Ce  Ce10  1  0.580  0.085  0.351  1.0
  Ce  Ce11  1  0.420  0.915  0.649  1.0
  Ce  Ce12  1  0.585  0.749  0.342  1.0
  Ce  Ce13  1  0.415  0.251  0.658  1.0
  Ce  Ce14  1  0.915  0.249  0.658  1.0
  Ce  Ce15  1  0.085  0.751  0.342  1.0
  Te  Te16  1  0.707  0.270  0.829  1.0
  Te  Te17  1  0.293  0.730  0.171  1.0
  Te  Te18  1  0.793  0.770  0.171  1.0
  Te  Te19  1  0.207  0.230  0.829  1.0
  Te  Te20  1  0.706  0.908  0.823  1.0
  Te  Te21  1  0.294  0.092  0.177  1.0
  Te  Te22  1  0.794  0.408  0.177  1.0
  Te  Te23  1  0.206  0.592  0.823  1.0
  Te  Te24  1  0.955  0.751  0.820  1.0
  Te  Te25  1  0.045  0.249  0.180  1.0
  Te  Te26  1  0.545  0.251  0.180  1.0
  Te  Te27  1  0.455  0.749  0.820  1.0
  Te  Te28  1  0.645  0.745  0.583  1.0
  Te  Te29  1  0.355  0.255  0.417  1.0
  Te  Te30  1  0.855  0.245  0.417  1.0
  Te  Te31  1  0.145  0.755  0.583  1.0
  Te  Te32  1  0.851  0.923  0.411  1.0
  Te  Te33  1  0.149  0.077  0.589  1.0
  Te  Te34  1  0.649  0.423  0.589  1.0
  Te  Te35  1  0.351  0.577  0.411  1.0
  Te  Te36  1  0.463  0.425  0.824  1.0
  Te  Te37  1  0.537  0.575  0.176  1.0
  Te  Te38  1  0.037  0.925  0.176  1.0
  Te  Te39  1  0.963  0.075  0.824  1.0
  Te  Te40  1  0.949  0.425  0.824  1.0
  Te  Te41  1  0.051  0.575  0.176  1.0
  Te  Te42  1  0.551  0.925  0.176  1.0
  Te  Te43  1  0.449  0.075  0.824  1.0
  Te  Te44  1  0.854  0.585  0.412  1.0
  Te  Te45  1  0.146  0.415  0.588  1.0
  Te  Te46  1  0.646  0.085  0.588  1.0
  Te  Te47  1  0.354  0.915  0.412  1.0
[/CIF]
.
The crystal structure described by RbCe3Te8 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 8-coordinate geometry to one Te(1), one Te(2), two equivalent Te(3), two equivalent Te(6), and two equivalent Te(7) atoms. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one Te(2), one Te(3), one Te(6), one Te(8), two equivalent Te(4), and two equivalent Te(5) atoms. In the second Ce site, Ce(2) is bonded in a 8-coordinate geometry to one Te(2), one Te(3), one Te(5), one Te(7), two equivalent Te(4), and two equivalent Te(8) atoms. In the third Ce site, Ce(3) is bonded in a 9-coordinate geometry to one Te(4), one Te(6), one Te(7), two equivalent Te(1), two equivalent Te(5), and two equivalent Te(8) atoms. There are eight inequivalent Te sites. In the first Te site, Te(5) is bonded to one Ce(2), two equivalent Ce(1), and two equivalent Ce(3) atoms to form a mixture of distorted corner and edge-sharing TeCe5 trigonal bipyramids. In the second Te site, Te(6) is bonded in a 6-coordinate geometry to two equivalent Rb(1), one Ce(1), one Ce(3), one Te(1), and one Te(2) atom. In the third Te site, Te(7) is bonded in a 7-coordinate geometry to two equivalent Rb(1), one Ce(2), one Ce(3), one Te(2), and two equivalent Te(1) atoms. In the fourth Te site, Te(8) is bonded to one Ce(1), two equivalent Ce(2), and two equivalent Ce(3) atoms to form a mixture of distorted corner and edge-sharing TeCe5 trigonal bipyramids. In the fifth Te site, Te(1) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Ce(3), one Te(6), and two equivalent Te(7) atoms. In the sixth Te site, Te(2) is bonded in a 7-coordinate geometry to one Rb(1), one Ce(1), one Ce(2), one Te(6), one Te(7), and two equivalent Te(3) atoms. In the seventh Te site, Te(3) is bonded in a 6-coordinate geometry to two equivalent Rb(1), one Ce(1), one Ce(2), and two equivalent Te(2) atoms. In the eighth Te site, Te(4) is bonded to one Ce(3), two equivalent Ce(1), and two equivalent Ce(2) atoms to form a mixture of distorted corner and edge-sharing TeCe5 trigonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbCe3Te8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.134
_cell_length_b   13.081
_cell_length_c   14.176
_cell_angle_alpha   90.000
_cell_angle_beta   99.342
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1671.371
_cell_formula_units_Z   4
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  0.743  0.592  0.963  1.0
  Rb  Rb1  1  0.257  0.408  0.037  1.0
  Rb  Rb2  1  0.757  0.092  0.037  1.0
  Rb  Rb3  1  0.243  0.908  0.963  1.0
  Ce  Ce4  1  0.903  0.916  0.647  1.0
  Ce  Ce5  1  0.097  0.084  0.353  1.0
  Ce  Ce6  1  0.597  0.416  0.353  1.0
  Ce  Ce7  1  0.403  0.584  0.647  1.0
  Ce  Ce8  1  0.920  0.585  0.649  1.0
  Ce  Ce9  1  0.080  0.415  0.351  1.0
  Ce  Ce10  1  0.580  0.085  0.351  1.0
  Ce  Ce11  1  0.420  0.915  0.649  1.0
  Ce  Ce12  1  0.585  0.749  0.342  1.0
  Ce  Ce13  1  0.415  0.251  0.658  1.0
  Ce  Ce14  1  0.915  0.249  0.658  1.0
  Ce  Ce15  1  0.085  0.751  0.342  1.0
  Te  Te16  1  0.707  0.270  0.829  1.0
  Te  Te17  1  0.293  0.730  0.171  1.0
  Te  Te18  1  0.793  0.770  0.171  1.0
  Te  Te19  1  0.207  0.230  0.829  1.0
  Te  Te20  1  0.706  0.908  0.823  1.0
  Te  Te21  1  0.294  0.092  0.177  1.0
  Te  Te22  1  0.794  0.408  0.177  1.0
  Te  Te23  1  0.206  0.592  0.823  1.0
  Te  Te24  1  0.955  0.751  0.820  1.0
  Te  Te25  1  0.045  0.249  0.180  1.0
  Te  Te26  1  0.545  0.251  0.180  1.0
  Te  Te27  1  0.455  0.749  0.820  1.0
  Te  Te28  1  0.645  0.745  0.583  1.0
  Te  Te29  1  0.355  0.255  0.417  1.0
  Te  Te30  1  0.855  0.245  0.417  1.0
  Te  Te31  1  0.145  0.755  0.583  1.0
  Te  Te32  1  0.851  0.923  0.411  1.0
  Te  Te33  1  0.149  0.077  0.589  1.0
  Te  Te34  1  0.649  0.423  0.589  1.0
  Te  Te35  1  0.351  0.577  0.411  1.0
  Te  Te36  1  0.463  0.425  0.824  1.0
  Te  Te37  1  0.537  0.575  0.176  1.0
  Te  Te38  1  0.037  0.925  0.176  1.0
  Te  Te39  1  0.963  0.075  0.824  1.0
  Te  Te40  1  0.949  0.425  0.824  1.0
  Te  Te41  1  0.051  0.575  0.176  1.0
  Te  Te42  1  0.551  0.925  0.176  1.0
  Te  Te43  1  0.449  0.075  0.824  1.0
  Te  Te44  1  0.854  0.585  0.412  1.0
  Te  Te45  1  0.146  0.415  0.588  1.0
  Te  Te46  1  0.646  0.085  0.588  1.0
  Te  Te47  1  0.354  0.915  0.412  1.0
[/CIF]
.