The compound described by Rh15Te16 crystallizes in the monoclinic P2/m space group. There are eight inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to two equivalent Te(1), two equivalent Te(2), and two equivalent Te(5) atoms to form distorted RhTe6 octahedra that share corners with two equivalent Rh(5)Te6 octahedra, corners with two equivalent Rh(7)Te6 octahedra, corners with two equivalent Rh(8)Te6Rh2 octahedra, corners with four equivalent Rh(6)Te6 octahedra, edges with two equivalent Rh(1)Te6 octahedra, edges with two equivalent Rh(4)Te6 octahedra, and faces with two equivalent Rh(6)Te6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the second Rh site, Rh(2) is bonded in a 6-coordinate geometry to one Rh(8), one Te(2), one Te(6), two equivalent Te(1), and two equivalent Te(3) atoms. In the third Rh site, Rh(3) is bonded to two equivalent Te(3), two equivalent Te(4), and two equivalent Te(6) atoms to form distorted RhTe6 octahedra that share corners with two equivalent Rh(5)Te6 octahedra, corners with two equivalent Rh(7)Te6 octahedra, corners with two equivalent Rh(8)Te6Rh2 octahedra, corners with four equivalent Rh(6)Te6 octahedra, edges with two equivalent Rh(3)Te6 octahedra, edges with two equivalent Rh(4)Te6 octahedra, and faces with two equivalent Rh(6)Te6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the fourth Rh site, Rh(4) is bonded to one Te(4), one Te(5), two equivalent Te(1), and two equivalent Te(3) atoms to form distorted RhTe6 octahedra that share corners with two equivalent Rh(5)Te6 octahedra, corners with two equivalent Rh(8)Te6Rh2 octahedra, corners with eight equivalent Rh(6)Te6 octahedra, edges with two equivalent Rh(1)Te6 octahedra, edges with two equivalent Rh(3)Te6 octahedra, and  a faceface with one Rh(7)Te6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the fifth Rh site, Rh(5) is bonded to two equivalent Te(6) and four equivalent Te(1) atoms to form a mixture of distorted corner and edge-sharing RhTe6 octahedra. The corner-sharing octahedral tilt angles range from 51-52°. In the sixth Rh site, Rh(6) is bonded to one Te(1), one Te(2), one Te(3), one Te(4), one Te(5), and one Te(6) atom to form distorted RhTe6 octahedra that share corners with two equivalent Rh(1)Te6 octahedra, corners with two equivalent Rh(3)Te6 octahedra, corners with four equivalent Rh(4)Te6 octahedra,  an edgeedge with one Rh(5)Te6 octahedra,  an edgeedge with one Rh(7)Te6 octahedra,  an edgeedge with one Rh(8)Te6Rh2 octahedra, edges with two equivalent Rh(6)Te6 octahedra,  a faceface with one Rh(1)Te6 octahedra, and  a faceface with one Rh(3)Te6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the seventh Rh site, Rh(7) is bonded to two equivalent Te(5) and four equivalent Te(3) atoms to form distorted RhTe6 octahedra that share corners with four equivalent Rh(1)Te6 octahedra, corners with four equivalent Rh(3)Te6 octahedra, edges with two equivalent Rh(8)Te6Rh2 octahedra, edges with four equivalent Rh(6)Te6 octahedra, and faces with two equivalent Rh(4)Te6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the eighth Rh site, Rh(8) is bonded to two equivalent Rh(2), two equivalent Te(2), and four equivalent Te(3) atoms to form a mixture of distorted corner and edge-sharing RhTe6Rh2 octahedra. The corner-sharing octahedral tilt angles are 50°. There are six inequivalent Te sites. In the first Te site, Te(1) is bonded in a 5-coordinate geometry to one Rh(1), one Rh(2), one Rh(4), one Rh(5), and one Rh(6) atom. In the second Te site, Te(2) is bonded in a 6-coordinate geometry to one Rh(2), one Rh(8), two equivalent Rh(1), and two equivalent Rh(6) atoms. In the third Te site, Te(3) is bonded in a 6-coordinate geometry to one Rh(2), one Rh(3), one Rh(4), one Rh(6), one Rh(7), and one Rh(8) atom. In the fourth Te site, Te(4) is bonded to one Rh(4), two equivalent Rh(3), and two equivalent Rh(6) atoms to form distorted edge-sharing TeRh5 square pyramids. In the fifth Te site, Te(5) is bonded in a 6-coordinate geometry to one Rh(4), one Rh(7), two equivalent Rh(1), and two equivalent Rh(6) atoms. In the sixth Te site, Te(6) is bonded in a 6-coordinate geometry to one Rh(2), one Rh(5), two equivalent Rh(3), and two equivalent Rh(6) atoms. is represented by the CIF file [CIF]
data_Te16Rh15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.033
_cell_length_b   8.993
_cell_length_c   8.993
_cell_angle_alpha   78.769
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   637.242
_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
  Te  Te0  1  0.247  0.545  0.288  1.0
  Te  Te1  1  0.000  0.286  0.053  1.0
  Te  Te2  1  0.746  0.043  0.791  1.0
  Te  Te3  1  0.500  0.792  0.538  1.0
  Te  Te4  1  0.000  0.714  0.947  1.0
  Te  Te5  1  0.753  0.455  0.712  1.0
  Te  Te6  1  0.500  0.208  0.462  1.0
  Te  Te7  1  0.254  0.957  0.209  1.0
  Te  Te8  1  0.500  0.294  0.039  1.0
  Te  Te9  1  0.254  0.043  0.791  1.0
  Te  Te10  1  0.000  0.791  0.539  1.0
  Te  Te11  1  0.753  0.545  0.288  1.0
  Te  Te12  1  0.746  0.957  0.209  1.0
  Te  Te13  1  0.500  0.706  0.961  1.0
  Te  Te14  1  0.247  0.455  0.712  1.0
  Te  Te15  1  0.000  0.209  0.461  1.0
  Rh  Rh16  1  0.236  0.500  0.000  1.0
  Rh  Rh17  1  0.000  0.256  0.763  1.0
  Rh  Rh18  1  0.738  0.000  0.500  1.0
  Rh  Rh19  1  0.500  0.737  0.261  1.0
  Rh  Rh20  1  0.000  0.744  0.237  1.0
  Rh  Rh21  1  0.764  0.500  0.000  1.0
  Rh  Rh22  1  0.500  0.263  0.739  1.0
  Rh  Rh23  1  0.262  0.000  0.500  1.0
  Rh  Rh24  1  0.000  0.500  0.500  1.0
  Rh  Rh25  1  0.746  0.256  0.256  1.0
  Rh  Rh26  1  0.500  0.000  0.000  1.0
  Rh  Rh27  1  0.254  0.744  0.744  1.0
  Rh  Rh28  1  0.254  0.256  0.256  1.0
  Rh  Rh29  1  0.000  0.000  0.000  1.0
  Rh  Rh30  1  0.746  0.744  0.744  1.0
[/CIF]
.
The compound described by Rh15Te16 crystallizes in the monoclinic P2/m space group. There are eight inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to two equivalent Te(1), two equivalent Te(2), and two equivalent Te(5) atoms to form distorted RhTe6 octahedra that share corners with two equivalent Rh(5)Te6 octahedra, corners with two equivalent Rh(7)Te6 octahedra, corners with two equivalent Rh(8)Te6Rh2 octahedra, corners with four equivalent Rh(6)Te6 octahedra, edges with two equivalent Rh(1)Te6 octahedra, edges with two equivalent Rh(4)Te6 octahedra, and faces with two equivalent Rh(6)Te6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the second Rh site, Rh(2) is bonded in a 6-coordinate geometry to one Rh(8), one Te(2), one Te(6), two equivalent Te(1), and two equivalent Te(3) atoms. In the third Rh site, Rh(3) is bonded to two equivalent Te(3), two equivalent Te(4), and two equivalent Te(6) atoms to form distorted RhTe6 octahedra that share corners with two equivalent Rh(5)Te6 octahedra, corners with two equivalent Rh(7)Te6 octahedra, corners with two equivalent Rh(8)Te6Rh2 octahedra, corners with four equivalent Rh(6)Te6 octahedra, edges with two equivalent Rh(3)Te6 octahedra, edges with two equivalent Rh(4)Te6 octahedra, and faces with two equivalent Rh(6)Te6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the fourth Rh site, Rh(4) is bonded to one Te(4), one Te(5), two equivalent Te(1), and two equivalent Te(3) atoms to form distorted RhTe6 octahedra that share corners with two equivalent Rh(5)Te6 octahedra, corners with two equivalent Rh(8)Te6Rh2 octahedra, corners with eight equivalent Rh(6)Te6 octahedra, edges with two equivalent Rh(1)Te6 octahedra, edges with two equivalent Rh(3)Te6 octahedra, and  a faceface with one Rh(7)Te6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the fifth Rh site, Rh(5) is bonded to two equivalent Te(6) and four equivalent Te(1) atoms to form a mixture of distorted corner and edge-sharing RhTe6 octahedra. The corner-sharing octahedral tilt angles range from 51-52°. In the sixth Rh site, Rh(6) is bonded to one Te(1), one Te(2), one Te(3), one Te(4), one Te(5), and one Te(6) atom to form distorted RhTe6 octahedra that share corners with two equivalent Rh(1)Te6 octahedra, corners with two equivalent Rh(3)Te6 octahedra, corners with four equivalent Rh(4)Te6 octahedra,  an edgeedge with one Rh(5)Te6 octahedra,  an edgeedge with one Rh(7)Te6 octahedra,  an edgeedge with one Rh(8)Te6Rh2 octahedra, edges with two equivalent Rh(6)Te6 octahedra,  a faceface with one Rh(1)Te6 octahedra, and  a faceface with one Rh(3)Te6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the seventh Rh site, Rh(7) is bonded to two equivalent Te(5) and four equivalent Te(3) atoms to form distorted RhTe6 octahedra that share corners with four equivalent Rh(1)Te6 octahedra, corners with four equivalent Rh(3)Te6 octahedra, edges with two equivalent Rh(8)Te6Rh2 octahedra, edges with four equivalent Rh(6)Te6 octahedra, and faces with two equivalent Rh(4)Te6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the eighth Rh site, Rh(8) is bonded to two equivalent Rh(2), two equivalent Te(2), and four equivalent Te(3) atoms to form a mixture of distorted corner and edge-sharing RhTe6Rh2 octahedra. The corner-sharing octahedral tilt angles are 50°. There are six inequivalent Te sites. In the first Te site, Te(1) is bonded in a 5-coordinate geometry to one Rh(1), one Rh(2), one Rh(4), one Rh(5), and one Rh(6) atom. In the second Te site, Te(2) is bonded in a 6-coordinate geometry to one Rh(2), one Rh(8), two equivalent Rh(1), and two equivalent Rh(6) atoms. In the third Te site, Te(3) is bonded in a 6-coordinate geometry to one Rh(2), one Rh(3), one Rh(4), one Rh(6), one Rh(7), and one Rh(8) atom. In the fourth Te site, Te(4) is bonded to one Rh(4), two equivalent Rh(3), and two equivalent Rh(6) atoms to form distorted edge-sharing TeRh5 square pyramids. In the fifth Te site, Te(5) is bonded in a 6-coordinate geometry to one Rh(4), one Rh(7), two equivalent Rh(1), and two equivalent Rh(6) atoms. In the sixth Te site, Te(6) is bonded in a 6-coordinate geometry to one Rh(2), one Rh(5), two equivalent Rh(3), and two equivalent Rh(6) atoms. is represented by the CIF file [CIF]
data_Te16Rh15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.033
_cell_length_b   8.993
_cell_length_c   8.993
_cell_angle_alpha   78.769
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   637.242
_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
  Te  Te0  1  0.247  0.545  0.288  1.0
  Te  Te1  1  0.000  0.286  0.053  1.0
  Te  Te2  1  0.746  0.043  0.791  1.0
  Te  Te3  1  0.500  0.792  0.538  1.0
  Te  Te4  1  0.000  0.714  0.947  1.0
  Te  Te5  1  0.753  0.455  0.712  1.0
  Te  Te6  1  0.500  0.208  0.462  1.0
  Te  Te7  1  0.254  0.957  0.209  1.0
  Te  Te8  1  0.500  0.294  0.039  1.0
  Te  Te9  1  0.254  0.043  0.791  1.0
  Te  Te10  1  0.000  0.791  0.539  1.0
  Te  Te11  1  0.753  0.545  0.288  1.0
  Te  Te12  1  0.746  0.957  0.209  1.0
  Te  Te13  1  0.500  0.706  0.961  1.0
  Te  Te14  1  0.247  0.455  0.712  1.0
  Te  Te15  1  0.000  0.209  0.461  1.0
  Rh  Rh16  1  0.236  0.500  0.000  1.0
  Rh  Rh17  1  0.000  0.256  0.763  1.0
  Rh  Rh18  1  0.738  0.000  0.500  1.0
  Rh  Rh19  1  0.500  0.737  0.261  1.0
  Rh  Rh20  1  0.000  0.744  0.237  1.0
  Rh  Rh21  1  0.764  0.500  0.000  1.0
  Rh  Rh22  1  0.500  0.263  0.739  1.0
  Rh  Rh23  1  0.262  0.000  0.500  1.0
  Rh  Rh24  1  0.000  0.500  0.500  1.0
  Rh  Rh25  1  0.746  0.256  0.256  1.0
  Rh  Rh26  1  0.500  0.000  0.000  1.0
  Rh  Rh27  1  0.254  0.744  0.744  1.0
  Rh  Rh28  1  0.254  0.256  0.256  1.0
  Rh  Rh29  1  0.000  0.000  0.000  1.0
  Rh  Rh30  1  0.746  0.744  0.744  1.0
[/CIF]
.