The structure described by Cr(FeTe2)2 crystallizes in the monoclinic P2/m space group. Cr(1) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form CrTe6 octahedra that share corners with eight equivalent Fe(2)Te6 octahedra, edges with two equivalent Cr(1)Te6 octahedra, and edges with four equivalent Fe(1)Te6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form distorted FeTe6 octahedra that share corners with four equivalent Fe(2)Te6 octahedra, edges with two equivalent Fe(1)Te6 octahedra, edges with four equivalent Cr(1)Te6 octahedra, and faces with two equivalent Fe(2)Te6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the second Fe site, Fe(2) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form distorted FeTe6 octahedra that share corners with four equivalent Fe(1)Te6 octahedra, corners with eight equivalent Cr(1)Te6 octahedra, edges with two equivalent Fe(2)Te6 octahedra, and faces with two equivalent Fe(1)Te6 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one Cr(1), two equivalent Fe(1), and two equivalent Fe(2) atoms to form a mixture of distorted corner and edge-sharing TeCrFe4 square pyramids. In the second Te site, Te(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Cr(1), one Fe(1), and one Fe(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cr(FeTe2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.980
_cell_length_b   6.656
_cell_length_c   5.719
_cell_angle_alpha   89.544
_cell_angle_beta   90.040
_cell_angle_gamma   89.845
_symmetry_Int_Tables_number   1
_cell_volume   151.501
_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  0.750  0.250  0.500  1.0
  Fe  Fe1  1  0.250  0.750  0.500  1.0
  Fe  Fe2  1  0.250  0.750  0.000  1.0
  Te  Te3  1  0.749  0.907  0.756  1.0
  Te  Te4  1  0.249  0.408  0.764  1.0
  Te  Te5  1  0.251  0.092  0.236  1.0
  Te  Te6  1  0.751  0.593  0.244  1.0
[/CIF]
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The structure described by Cr(FeTe2)2 crystallizes in the monoclinic P2/m space group. Cr(1) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form CrTe6 octahedra that share corners with eight equivalent Fe(2)Te6 octahedra, edges with two equivalent Cr(1)Te6 octahedra, and edges with four equivalent Fe(1)Te6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form distorted FeTe6 octahedra that share corners with four equivalent Fe(2)Te6 octahedra, edges with two equivalent Fe(1)Te6 octahedra, edges with four equivalent Cr(1)Te6 octahedra, and faces with two equivalent Fe(2)Te6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the second Fe site, Fe(2) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form distorted FeTe6 octahedra that share corners with four equivalent Fe(1)Te6 octahedra, corners with eight equivalent Cr(1)Te6 octahedra, edges with two equivalent Fe(2)Te6 octahedra, and faces with two equivalent Fe(1)Te6 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one Cr(1), two equivalent Fe(1), and two equivalent Fe(2) atoms to form a mixture of distorted corner and edge-sharing TeCrFe4 square pyramids. In the second Te site, Te(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Cr(1), one Fe(1), and one Fe(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cr(FeTe2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.980
_cell_length_b   6.656
_cell_length_c   5.719
_cell_angle_alpha   89.544
_cell_angle_beta   90.040
_cell_angle_gamma   89.845
_symmetry_Int_Tables_number   1
_cell_volume   151.501
_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  0.750  0.250  0.500  1.0
  Fe  Fe1  1  0.250  0.750  0.500  1.0
  Fe  Fe2  1  0.250  0.750  0.000  1.0
  Te  Te3  1  0.749  0.907  0.756  1.0
  Te  Te4  1  0.249  0.408  0.764  1.0
  Te  Te5  1  0.251  0.092  0.236  1.0
  Te  Te6  1  0.751  0.593  0.244  1.0
[/CIF]
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