The crystal structure described by Cr3Fe3(TeO8)2 is Hydrophilite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CrO6 octahedra that share corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CrO6 octahedra that share corners with two equivalent Te(1)O6 octahedra,  an edgeedge with one Te(2)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and edges with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Te(1)O6 octahedra,  an edgeedge with one Te(2)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form TeO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the second Te site, Te(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form TeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Cr(2), one Fe(2), and one Te(1) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to two equivalent Cr(1) and one Te(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cr(1) and one Fe(1) atom. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to two equivalent Cr(1) and one Fe(1) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Cr(2) and two equivalent Fe(2) atoms. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Cr(1), one Fe(1), and one Te(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to two equivalent Cr(1) and one Te(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Fe(2) and one Te(1) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Cr(2), one Fe(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one Cr(2) and two equivalent Fe(2) atoms. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Cr(1), one Fe(1), and one Te(2) atom. In the twelfth O site, O(12) is bonded in a trigonal non-coplanar geometry to two equivalent Fe(2) and one Te(2) atom. is represented by the CIF card [CIF]
data_Cr3Fe3(TeO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.021
_cell_length_b   6.021
_cell_length_c   9.207
_cell_angle_alpha   89.573
_cell_angle_beta   89.573
_cell_angle_gamma   60.057
_symmetry_Int_Tables_number   1
_cell_volume   289.254
_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
  Cr  Cr0  1  0.341  0.832  0.787  1.0
  Cr  Cr1  1  0.832  0.341  0.787  1.0
  Cr  Cr2  1  0.172  0.172  0.283  1.0
  Fe  Fe3  1  0.832  0.832  0.795  1.0
  Fe  Fe4  1  0.172  0.664  0.294  1.0
  Fe  Fe5  1  0.664  0.172  0.294  1.0
  Te  Te6  1  0.668  0.668  0.512  1.0
  Te  Te7  1  0.332  0.332  0.010  1.0
  O  O8  1  0.351  0.826  0.402  1.0
  O  O9  1  0.523  0.523  0.656  1.0
  O  O10  1  0.663  0.663  0.891  1.0
  O  O11  1  0.005  0.005  0.705  1.0
  O  O12  1  0.007  0.007  0.205  1.0
  O  O13  1  0.826  0.351  0.402  1.0
  O  O14  1  0.521  0.956  0.654  1.0
  O  O15  1  0.956  0.521  0.654  1.0
  O  O16  1  0.173  0.173  0.900  1.0
  O  O17  1  0.827  0.827  0.401  1.0
  O  O18  1  0.043  0.469  0.153  1.0
  O  O19  1  0.469  0.043  0.153  1.0
  O  O20  1  0.325  0.325  0.393  1.0
  O  O21  1  0.172  0.652  0.901  1.0
  O  O22  1  0.474  0.474  0.151  1.0
  O  O23  1  0.652  0.172  0.901  1.0
[/CIF]
.
The crystal structure described by Cr3Fe3(TeO8)2 is Hydrophilite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CrO6 octahedra that share corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Cr site, Cr(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CrO6 octahedra that share corners with two equivalent Te(1)O6 octahedra,  an edgeedge with one Te(2)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and edges with four equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Te(1)O6 octahedra,  an edgeedge with one Te(2)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form TeO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the second Te site, Te(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form TeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Cr(2), one Fe(2), and one Te(1) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to two equivalent Cr(1) and one Te(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cr(1) and one Fe(1) atom. In the fourth O site, O(4) is bonded in a trigonal non-coplanar geometry to two equivalent Cr(1) and one Fe(1) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Cr(2) and two equivalent Fe(2) atoms. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Cr(1), one Fe(1), and one Te(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to two equivalent Cr(1) and one Te(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Fe(2) and one Te(1) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Cr(2), one Fe(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one Cr(2) and two equivalent Fe(2) atoms. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Cr(1), one Fe(1), and one Te(2) atom. In the twelfth O site, O(12) is bonded in a trigonal non-coplanar geometry to two equivalent Fe(2) and one Te(2) atom. is represented by the CIF card [CIF]
data_Cr3Fe3(TeO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.021
_cell_length_b   6.021
_cell_length_c   9.207
_cell_angle_alpha   89.573
_cell_angle_beta   89.573
_cell_angle_gamma   60.057
_symmetry_Int_Tables_number   1
_cell_volume   289.254
_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
  Cr  Cr0  1  0.341  0.832  0.787  1.0
  Cr  Cr1  1  0.832  0.341  0.787  1.0
  Cr  Cr2  1  0.172  0.172  0.283  1.0
  Fe  Fe3  1  0.832  0.832  0.795  1.0
  Fe  Fe4  1  0.172  0.664  0.294  1.0
  Fe  Fe5  1  0.664  0.172  0.294  1.0
  Te  Te6  1  0.668  0.668  0.512  1.0
  Te  Te7  1  0.332  0.332  0.010  1.0
  O  O8  1  0.351  0.826  0.402  1.0
  O  O9  1  0.523  0.523  0.656  1.0
  O  O10  1  0.663  0.663  0.891  1.0
  O  O11  1  0.005  0.005  0.705  1.0
  O  O12  1  0.007  0.007  0.205  1.0
  O  O13  1  0.826  0.351  0.402  1.0
  O  O14  1  0.521  0.956  0.654  1.0
  O  O15  1  0.956  0.521  0.654  1.0
  O  O16  1  0.173  0.173  0.900  1.0
  O  O17  1  0.827  0.827  0.401  1.0
  O  O18  1  0.043  0.469  0.153  1.0
  O  O19  1  0.469  0.043  0.153  1.0
  O  O20  1  0.325  0.325  0.393  1.0
  O  O21  1  0.172  0.652  0.901  1.0
  O  O22  1  0.474  0.474  0.151  1.0
  O  O23  1  0.652  0.172  0.901  1.0
[/CIF]
.