The compound described by Cu2Te3O8 crystallizes in the monoclinic C2/c space group. Cu(1) is bonded to one O(1), one O(3), one O(4), and two equivalent O(2) atoms to form corner-sharing CuO5 trigonal bipyramids. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a see-saw-like geometry to two equivalent O(3) and two equivalent O(4) atoms. In the second Te site, Te(2) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), and two equivalent O(1) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Cu(1) and two equivalent Te(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to two equivalent Cu(1) and one Te(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Cu(1), one Te(1), and one Te(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one Te(1) atom. is represented by the CIF card [CIF]
data_Cu2Te3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.551
_cell_length_b   6.551
_cell_length_c   12.470
_cell_angle_alpha   80.788
_cell_angle_beta   80.788
_cell_angle_gamma   48.480
_symmetry_Int_Tables_number   1
_cell_volume   394.455
_cell_formula_units_Z   2
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
  Cu  Cu0  1  0.465  0.001  0.158  1.0
  Cu  Cu1  1  0.999  0.535  0.342  1.0
  Cu  Cu2  1  0.535  0.999  0.842  1.0
  Cu  Cu3  1  0.001  0.465  0.658  1.0
  Te  Te4  1  0.129  0.871  0.750  1.0
  Te  Te5  1  0.871  0.129  0.250  1.0
  Te  Te6  1  0.349  0.922  0.445  1.0
  Te  Te7  1  0.078  0.651  0.055  1.0
  Te  Te8  1  0.651  0.078  0.555  1.0
  Te  Te9  1  0.922  0.349  0.945  1.0
  O  O10  1  0.237  0.319  0.952  1.0
  O  O11  1  0.681  0.763  0.548  1.0
  O  O12  1  0.763  0.681  0.048  1.0
  O  O13  1  0.319  0.237  0.452  1.0
  O  O14  1  0.782  0.596  0.819  1.0
  O  O15  1  0.404  0.218  0.681  1.0
  O  O16  1  0.218  0.404  0.181  1.0
  O  O17  1  0.596  0.782  0.319  1.0
  O  O18  1  0.216  0.021  0.857  1.0
  O  O19  1  0.979  0.784  0.643  1.0
  O  O20  1  0.179  0.993  0.148  1.0
  O  O21  1  0.007  0.821  0.352  1.0
  O  O22  1  0.821  0.007  0.852  1.0
  O  O23  1  0.993  0.179  0.648  1.0
  O  O24  1  0.021  0.216  0.357  1.0
  O  O25  1  0.784  0.979  0.143  1.0
[/CIF]
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The compound described by Cu2Te3O8 crystallizes in the monoclinic C2/c space group. Cu(1) is bonded to one O(1), one O(3), one O(4), and two equivalent O(2) atoms to form corner-sharing CuO5 trigonal bipyramids. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a see-saw-like geometry to two equivalent O(3) and two equivalent O(4) atoms. In the second Te site, Te(2) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), and two equivalent O(1) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Cu(1) and two equivalent Te(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to two equivalent Cu(1) and one Te(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Cu(1), one Te(1), and one Te(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one Te(1) atom. is represented by the CIF card [CIF]
data_Cu2Te3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.551
_cell_length_b   6.551
_cell_length_c   12.470
_cell_angle_alpha   80.788
_cell_angle_beta   80.788
_cell_angle_gamma   48.480
_symmetry_Int_Tables_number   1
_cell_volume   394.455
_cell_formula_units_Z   2
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
  Cu  Cu0  1  0.465  0.001  0.158  1.0
  Cu  Cu1  1  0.999  0.535  0.342  1.0
  Cu  Cu2  1  0.535  0.999  0.842  1.0
  Cu  Cu3  1  0.001  0.465  0.658  1.0
  Te  Te4  1  0.129  0.871  0.750  1.0
  Te  Te5  1  0.871  0.129  0.250  1.0
  Te  Te6  1  0.349  0.922  0.445  1.0
  Te  Te7  1  0.078  0.651  0.055  1.0
  Te  Te8  1  0.651  0.078  0.555  1.0
  Te  Te9  1  0.922  0.349  0.945  1.0
  O  O10  1  0.237  0.319  0.952  1.0
  O  O11  1  0.681  0.763  0.548  1.0
  O  O12  1  0.763  0.681  0.048  1.0
  O  O13  1  0.319  0.237  0.452  1.0
  O  O14  1  0.782  0.596  0.819  1.0
  O  O15  1  0.404  0.218  0.681  1.0
  O  O16  1  0.218  0.404  0.181  1.0
  O  O17  1  0.596  0.782  0.319  1.0
  O  O18  1  0.216  0.021  0.857  1.0
  O  O19  1  0.979  0.784  0.643  1.0
  O  O20  1  0.179  0.993  0.148  1.0
  O  O21  1  0.007  0.821  0.352  1.0
  O  O22  1  0.821  0.007  0.852  1.0
  O  O23  1  0.993  0.179  0.648  1.0
  O  O24  1  0.021  0.216  0.357  1.0
  O  O25  1  0.784  0.979  0.143  1.0
[/CIF]
.