The material structure described by Ca(HoTe2)2 crystallizes in the monoclinic P2/m space group. Ca(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form CaTe6 octahedra that share corners with six equivalent Ho(1)Te6 octahedra, edges with two equivalent Ca(1)Te6 octahedra, edges with two equivalent Ho(1)Te6 octahedra, and edges with four equivalent Ho(2)Te6 octahedra. The corner-sharing octahedral tilt angles range from 2-3°. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form HoTe6 octahedra that share corners with six equivalent Ca(1)Te6 octahedra, edges with two equivalent Ca(1)Te6 octahedra, edges with two equivalent Ho(1)Te6 octahedra, and edges with four equivalent Ho(2)Te6 octahedra. The corner-sharing octahedral tilt angles range from 2-3°. In the second Ho site, Ho(2) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form HoTe6 octahedra that share edges with two equivalent Ho(2)Te6 octahedra, edges with four equivalent Ca(1)Te6 octahedra, and edges with four equivalent Ho(1)Te6 octahedra. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to two equivalent Ca(1), one Ho(2), and two equivalent Ho(1) atoms to form a mixture of corner and edge-sharing TeCa2Ho3 square pyramids. In the second Te site, Te(2) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ho(1), and two equivalent Ho(2) atoms. is represented by the CIF card [CIF]
data_Ca(HoTe2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.392
_cell_length_b   7.508
_cell_length_c   7.701
_cell_angle_alpha   71.930
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   241.416
_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
  Ca  Ca0  1  0.000  0.500  0.500  1.0
  Ho  Ho1  1  0.000  0.000  0.000  1.0
  Ho  Ho2  1  0.500  0.500  0.000  1.0
  Te  Te3  1  0.500  0.761  0.244  1.0
  Te  Te4  1  0.000  0.254  0.237  1.0
  Te  Te5  1  0.500  0.239  0.756  1.0
  Te  Te6  1  0.000  0.746  0.763  1.0
[/CIF]
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The material structure described by Ca(HoTe2)2 crystallizes in the monoclinic P2/m space group. Ca(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form CaTe6 octahedra that share corners with six equivalent Ho(1)Te6 octahedra, edges with two equivalent Ca(1)Te6 octahedra, edges with two equivalent Ho(1)Te6 octahedra, and edges with four equivalent Ho(2)Te6 octahedra. The corner-sharing octahedral tilt angles range from 2-3°. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to two equivalent Te(2) and four equivalent Te(1) atoms to form HoTe6 octahedra that share corners with six equivalent Ca(1)Te6 octahedra, edges with two equivalent Ca(1)Te6 octahedra, edges with two equivalent Ho(1)Te6 octahedra, and edges with four equivalent Ho(2)Te6 octahedra. The corner-sharing octahedral tilt angles range from 2-3°. In the second Ho site, Ho(2) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form HoTe6 octahedra that share edges with two equivalent Ho(2)Te6 octahedra, edges with four equivalent Ca(1)Te6 octahedra, and edges with four equivalent Ho(1)Te6 octahedra. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to two equivalent Ca(1), one Ho(2), and two equivalent Ho(1) atoms to form a mixture of corner and edge-sharing TeCa2Ho3 square pyramids. In the second Te site, Te(2) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ho(1), and two equivalent Ho(2) atoms. is represented by the CIF card [CIF]
data_Ca(HoTe2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.392
_cell_length_b   7.508
_cell_length_c   7.701
_cell_angle_alpha   71.930
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   241.416
_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
  Ca  Ca0  1  0.000  0.500  0.500  1.0
  Ho  Ho1  1  0.000  0.000  0.000  1.0
  Ho  Ho2  1  0.500  0.500  0.000  1.0
  Te  Te3  1  0.500  0.761  0.244  1.0
  Te  Te4  1  0.000  0.254  0.237  1.0
  Te  Te5  1  0.500  0.239  0.756  1.0
  Te  Te6  1  0.000  0.746  0.763  1.0
[/CIF]
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