The crystal structure described by KCr5Te8 crystallizes in the monoclinic C2/m space group. K(1) is bonded in a 10-coordinate geometry to two equivalent Te(1), four equivalent Te(2), and four equivalent Te(3) atoms. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form a mixture of corner and edge-sharing CrTe6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one Te(1), two equivalent Te(2), and three equivalent Te(4) atoms to form a mixture of face, corner, and edge-sharing CrTe6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the third Cr site, Cr(3) is bonded to one Te(1), two equivalent Te(4), and three equivalent Te(3) atoms to form a mixture of face, corner, and edge-sharing CrTe6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a 5-coordinate geometry to one K(1), one Cr(2), one Cr(3), and two equivalent Cr(1) atoms. In the second Te site, Te(2) is bonded to two equivalent K(1), one Cr(1), and two equivalent Cr(2) atoms to form distorted TeK2Cr3 square pyramids that share corners with three equivalent Te(2)K2Cr3 square pyramids, corners with four equivalent Te(4)Cr5 square pyramids,  an edgeedge with one Te(4)Cr5 square pyramid, and edges with three equivalent Te(2)K2Cr3 square pyramids. In the third Te site, Te(3) is bonded in a 3-coordinate geometry to two equivalent K(1) and three equivalent Cr(3) atoms. In the fourth Te site, Te(4) is bonded to two equivalent Cr(3) and three equivalent Cr(2) atoms to form distorted TeCr5 square pyramids that share corners with four equivalent Te(2)K2Cr3 square pyramids,  an edgeedge with one Te(2)K2Cr3 square pyramid, and edges with four equivalent Te(4)Cr5 square pyramids. is represented by the CIF card [CIF]
data_KCr5Te8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.440
_cell_length_b   10.440
_cell_length_c   9.616
_cell_angle_alpha   75.672
_cell_angle_beta   75.672
_cell_angle_gamma   22.272
_symmetry_Int_Tables_number   1
_cell_volume   384.377
_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
  K  K0  1  0.500  0.500  0.500  1.0
  Cr  Cr1  1  0.000  0.000  0.000  1.0
  Cr  Cr2  1  0.341  0.341  0.987  1.0
  Cr  Cr3  1  0.659  0.659  0.013  1.0
  Cr  Cr4  1  0.296  0.296  0.331  1.0
  Cr  Cr5  1  0.704  0.704  0.669  1.0
  Te  Te6  1  0.573  0.573  0.837  1.0
  Te  Te7  1  0.427  0.427  0.163  1.0
  Te  Te8  1  0.088  0.088  0.170  1.0
  Te  Te9  1  0.912  0.912  0.830  1.0
  Te  Te10  1  0.170  0.170  0.509  1.0
  Te  Te11  1  0.830  0.830  0.491  1.0
  Te  Te12  1  0.240  0.240  0.842  1.0
  Te  Te13  1  0.760  0.760  0.158  1.0
[/CIF]
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The crystal structure described by KCr5Te8 crystallizes in the monoclinic C2/m space group. K(1) is bonded in a 10-coordinate geometry to two equivalent Te(1), four equivalent Te(2), and four equivalent Te(3) atoms. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form a mixture of corner and edge-sharing CrTe6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one Te(1), two equivalent Te(2), and three equivalent Te(4) atoms to form a mixture of face, corner, and edge-sharing CrTe6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the third Cr site, Cr(3) is bonded to one Te(1), two equivalent Te(4), and three equivalent Te(3) atoms to form a mixture of face, corner, and edge-sharing CrTe6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a 5-coordinate geometry to one K(1), one Cr(2), one Cr(3), and two equivalent Cr(1) atoms. In the second Te site, Te(2) is bonded to two equivalent K(1), one Cr(1), and two equivalent Cr(2) atoms to form distorted TeK2Cr3 square pyramids that share corners with three equivalent Te(2)K2Cr3 square pyramids, corners with four equivalent Te(4)Cr5 square pyramids,  an edgeedge with one Te(4)Cr5 square pyramid, and edges with three equivalent Te(2)K2Cr3 square pyramids. In the third Te site, Te(3) is bonded in a 3-coordinate geometry to two equivalent K(1) and three equivalent Cr(3) atoms. In the fourth Te site, Te(4) is bonded to two equivalent Cr(3) and three equivalent Cr(2) atoms to form distorted TeCr5 square pyramids that share corners with four equivalent Te(2)K2Cr3 square pyramids,  an edgeedge with one Te(2)K2Cr3 square pyramid, and edges with four equivalent Te(4)Cr5 square pyramids. is represented by the CIF card [CIF]
data_KCr5Te8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.440
_cell_length_b   10.440
_cell_length_c   9.616
_cell_angle_alpha   75.672
_cell_angle_beta   75.672
_cell_angle_gamma   22.272
_symmetry_Int_Tables_number   1
_cell_volume   384.377
_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
  K  K0  1  0.500  0.500  0.500  1.0
  Cr  Cr1  1  0.000  0.000  0.000  1.0
  Cr  Cr2  1  0.341  0.341  0.987  1.0
  Cr  Cr3  1  0.659  0.659  0.013  1.0
  Cr  Cr4  1  0.296  0.296  0.331  1.0
  Cr  Cr5  1  0.704  0.704  0.669  1.0
  Te  Te6  1  0.573  0.573  0.837  1.0
  Te  Te7  1  0.427  0.427  0.163  1.0
  Te  Te8  1  0.088  0.088  0.170  1.0
  Te  Te9  1  0.912  0.912  0.830  1.0
  Te  Te10  1  0.170  0.170  0.509  1.0
  Te  Te11  1  0.830  0.830  0.491  1.0
  Te  Te12  1  0.240  0.240  0.842  1.0
  Te  Te13  1  0.760  0.760  0.158  1.0
[/CIF]
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