The structure described by Y7Cu3Te12 crystallizes in the triclinic P1 space group. There are seven inequivalent Y sites. In the first Y site, Y(1) is bonded to one Te(10), one Te(12), one Te(2), one Te(4), one Te(6), and one Te(8) atom to form YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(4)Te6 octahedra, edges with three equivalent Y(6)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the second Y site, Y(2) is bonded to one Te(11), one Te(2), one Te(4), one Te(6), one Te(7), and one Te(9) atom to form a mixture of edge and corner-sharing YTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. In the third Y site, Y(3) is bonded to one Te(1), one Te(11), one Te(3), one Te(5), one Te(7), and one Te(9) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(5)Te6 octahedra, edges with three equivalent Y(7)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the fourth Y site, Y(4) is bonded to one Te(10), one Te(12), one Te(2), one Te(4), one Te(6), and one Te(8) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(1)Te6 octahedra, edges with three equivalent Y(6)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the fifth Y site, Y(5) is bonded to one Te(1), one Te(11), one Te(3), one Te(5), one Te(7), and one Te(9) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(3)Te6 octahedra, edges with three equivalent Y(7)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the sixth Y site, Y(6) is bonded to one Te(10), one Te(12), one Te(2), one Te(4), one Te(6), and one Te(8) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(1)Te6 octahedra, edges with three equivalent Y(4)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the seventh Y site, Y(7) is bonded to one Te(1), one Te(11), one Te(3), one Te(5), one Te(7), and one Te(9) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(3)Te6 octahedra, edges with three equivalent Y(5)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Te(10), one Te(12), one Te(3), and one Te(8) atom to form distorted CuTe4 tetrahedra that share  a cornercorner with one Y(1)Te6 octahedra,  a cornercorner with one Y(3)Te6 octahedra,  a cornercorner with one Y(4)Te6 octahedra,  a cornercorner with one Y(5)Te6 octahedra,  a cornercorner with one Y(6)Te6 octahedra,  a cornercorner with one Y(7)Te6 octahedra,  an edgeedge with one Y(1)Te6 octahedra,  an edgeedge with one Y(4)Te6 octahedra,  an edgeedge with one Y(6)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-56°. In the second Cu site, Cu(2) is bonded to one Te(1), one Te(12), one Te(3), and one Te(5) atom to form distorted CuTe4 tetrahedra that share  a cornercorner with one Y(1)Te6 octahedra,  a cornercorner with one Y(3)Te6 octahedra,  a cornercorner with one Y(4)Te6 octahedra,  a cornercorner with one Y(5)Te6 octahedra,  a cornercorner with one Y(6)Te6 octahedra,  a cornercorner with one Y(7)Te6 octahedra, corners with three equivalent Cu(3)Te4 tetrahedra,  an edgeedge with one Y(3)Te6 octahedra,  an edgeedge with one Y(5)Te6 octahedra,  an edgeedge with one Y(7)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-56°. In the third Cu site, Cu(3) is bonded to one Te(1), one Te(3), one Te(5), and one Te(8) atom to form distorted CuTe4 tetrahedra that share  a cornercorner with one Y(1)Te6 octahedra,  a cornercorner with one Y(3)Te6 octahedra,  a cornercorner with one Y(4)Te6 octahedra,  a cornercorner with one Y(5)Te6 octahedra,  a cornercorner with one Y(6)Te6 octahedra,  a cornercorner with one Y(7)Te6 octahedra, corners with three equivalent Cu(2)Te4 tetrahedra,  an edgeedge with one Y(3)Te6 octahedra,  an edgeedge with one Y(5)Te6 octahedra,  an edgeedge with one Y(7)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-56°. There are twelve inequivalent Te sites. In the first Te site, Te(1) is bonded to one Y(3), one Y(5), one Y(7), one Cu(2), and one Cu(3) atom to form TeY3Cu2 square pyramids that share  a cornercorner with one Te(3)Y3Cu3 octahedra,  a cornercorner with one Te(12)Y3Cu2 square pyramid,  a cornercorner with one Te(5)Y3Cu2 square pyramid,  a cornercorner with one Te(8)Y3Cu2 square pyramid, edges with two equivalent Te(3)Y3Cu3 octahedra, and edges with two equivalent Te(5)Y3Cu2 square pyramids. The corner-sharing octahedral tilt angles are 92°. In the second Te site, Te(2) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(2), one Y(4), and one Y(6) atom. In the third Te site, Te(3) is bonded to one Y(3), one Y(5), one Y(7), one Cu(1), one Cu(2), and one Cu(3) atom to form a mixture of distorted edge and corner-sharing TeY3Cu3 octahedra. In the fourth Te site, Te(4) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(2), one Y(4), and one Y(6) atom. In the fifth Te site, Te(5) is bonded to one Y(3), one Y(5), one Y(7), one Cu(2), and one Cu(3) atom to form TeY3Cu2 square pyramids that share  a cornercorner with one Te(3)Y3Cu3 octahedra,  a cornercorner with one Te(1)Y3Cu2 square pyramid,  a cornercorner with one Te(12)Y3Cu2 square pyramid,  a cornercorner with one Te(8)Y3Cu2 square pyramid, edges with two equivalent Te(3)Y3Cu3 octahedra, and edges with two equivalent Te(1)Y3Cu2 square pyramids. The corner-sharing octahedral tilt angles are 92°. In the sixth Te site, Te(6) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(2), one Y(4), and one Y(6) atom. In the seventh Te site, Te(7) is bonded in a rectangular see-saw-like geometry to one Y(2), one Y(3), one Y(5), and one Y(7) atom. In the eighth Te site, Te(8) is bonded to one Y(1), one Y(4), one Y(6), one Cu(1), and one Cu(3) atom to form distorted TeY3Cu2 square pyramids that share  a cornercorner with one Te(1)Y3Cu2 square pyramid,  a cornercorner with one Te(5)Y3Cu2 square pyramid, corners with two equivalent Te(12)Y3Cu2 square pyramids,  an edgeedge with one Te(3)Y3Cu3 octahedra, and  an edgeedge with one Te(12)Y3Cu2 square pyramid. In the ninth Te site, Te(9) is bonded in a rectangular see-saw-like geometry to one Y(2), one Y(3), one Y(5), and one Y(7) atom. In the tenth Te site, Te(10) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(4), one Y(6), and one Cu(1) atom. In the eleventh Te site, Te(11) is bonded in a rectangular see-saw-like geometry to one Y(2), one Y(3), one Y(5), and one Y(7) atom. In the twelfth Te site, Te(12) is bonded to one Y(1), one Y(4), one Y(6), one Cu(1), and one Cu(2) atom to form distorted TeY3Cu2 square pyramids that share  a cornercorner with one Te(1)Y3Cu2 square pyramid,  a cornercorner with one Te(5)Y3Cu2 square pyramid, corners with two equivalent Te(8)Y3Cu2 square pyramids,  an edgeedge with one Te(3)Y3Cu3 octahedra, and  an edgeedge with one Te(8)Y3Cu2 square pyramid. is represented by the CIF card [CIF]
data_Y7(CuTe4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.306
_cell_length_b   42.855
_cell_length_c   28.253
_cell_angle_alpha   8.779
_cell_angle_beta   15.213
_cell_angle_gamma   17.516
_symmetry_Int_Tables_number   1
_cell_volume   693.680
_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
  Y  Y0  1  0.586  0.995  0.587  1.0
  Y  Y1  1  1.000  0.667  0.998  1.0
  Y  Y2  1  0.408  0.333  0.422  1.0
  Y  Y3  1  0.589  0.338  0.571  1.0
  Y  Y4  1  0.425  0.670  0.408  1.0
  Y  Y5  1  0.571  0.665  0.589  1.0
  Y  Y6  1  0.419  0.998  0.420  1.0
  Cu  Cu7  1  0.189  0.335  0.189  1.0
  Cu  Cu8  1  0.808  0.999  0.813  1.0
  Cu  Cu9  1  0.813  0.334  0.808  1.0
  Te  Te10  1  0.125  0.998  0.132  1.0
  Te  Te11  1  0.291  0.001  0.291  1.0
  Te  Te12  1  0.122  0.338  0.122  1.0
  Te  Te13  1  0.292  0.333  0.292  1.0
  Te  Te14  1  0.132  0.667  0.124  1.0
  Te  Te15  1  0.291  0.667  0.291  1.0
  Te  Te16  1  0.707  0.333  0.709  1.0
  Te  Te17  1  0.880  0.332  0.871  1.0
  Te  Te18  1  0.709  0.665  0.711  1.0
  Te  Te19  1  0.872  0.667  0.872  1.0
  Te  Te20  1  0.710  0.000  0.707  1.0
  Te  Te21  1  0.870  0.996  0.880  1.0
[/CIF]
.
The structure described by Y7Cu3Te12 crystallizes in the triclinic P1 space group. There are seven inequivalent Y sites. In the first Y site, Y(1) is bonded to one Te(10), one Te(12), one Te(2), one Te(4), one Te(6), and one Te(8) atom to form YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(4)Te6 octahedra, edges with three equivalent Y(6)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the second Y site, Y(2) is bonded to one Te(11), one Te(2), one Te(4), one Te(6), one Te(7), and one Te(9) atom to form a mixture of edge and corner-sharing YTe6 octahedra. The corner-sharing octahedral tilt angles are 1°. In the third Y site, Y(3) is bonded to one Te(1), one Te(11), one Te(3), one Te(5), one Te(7), and one Te(9) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(5)Te6 octahedra, edges with three equivalent Y(7)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the fourth Y site, Y(4) is bonded to one Te(10), one Te(12), one Te(2), one Te(4), one Te(6), and one Te(8) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(1)Te6 octahedra, edges with three equivalent Y(6)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the fifth Y site, Y(5) is bonded to one Te(1), one Te(11), one Te(3), one Te(5), one Te(7), and one Te(9) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(3)Te6 octahedra, edges with three equivalent Y(7)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the sixth Y site, Y(6) is bonded to one Te(10), one Te(12), one Te(2), one Te(4), one Te(6), and one Te(8) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(1)Te6 octahedra, edges with three equivalent Y(4)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. In the seventh Y site, Y(7) is bonded to one Te(1), one Te(11), one Te(3), one Te(5), one Te(7), and one Te(9) atom to form distorted YTe6 octahedra that share  a cornercorner with one Y(2)Te6 octahedra,  a cornercorner with one Cu(1)Te4 tetrahedra,  a cornercorner with one Cu(2)Te4 tetrahedra,  a cornercorner with one Cu(3)Te4 tetrahedra,  an edgeedge with one Y(2)Te6 octahedra, edges with three equivalent Y(3)Te6 octahedra, edges with three equivalent Y(5)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Te(10), one Te(12), one Te(3), and one Te(8) atom to form distorted CuTe4 tetrahedra that share  a cornercorner with one Y(1)Te6 octahedra,  a cornercorner with one Y(3)Te6 octahedra,  a cornercorner with one Y(4)Te6 octahedra,  a cornercorner with one Y(5)Te6 octahedra,  a cornercorner with one Y(6)Te6 octahedra,  a cornercorner with one Y(7)Te6 octahedra,  an edgeedge with one Y(1)Te6 octahedra,  an edgeedge with one Y(4)Te6 octahedra,  an edgeedge with one Y(6)Te6 octahedra,  an edgeedge with one Cu(2)Te4 tetrahedra, and  an edgeedge with one Cu(3)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-56°. In the second Cu site, Cu(2) is bonded to one Te(1), one Te(12), one Te(3), and one Te(5) atom to form distorted CuTe4 tetrahedra that share  a cornercorner with one Y(1)Te6 octahedra,  a cornercorner with one Y(3)Te6 octahedra,  a cornercorner with one Y(4)Te6 octahedra,  a cornercorner with one Y(5)Te6 octahedra,  a cornercorner with one Y(6)Te6 octahedra,  a cornercorner with one Y(7)Te6 octahedra, corners with three equivalent Cu(3)Te4 tetrahedra,  an edgeedge with one Y(3)Te6 octahedra,  an edgeedge with one Y(5)Te6 octahedra,  an edgeedge with one Y(7)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-56°. In the third Cu site, Cu(3) is bonded to one Te(1), one Te(3), one Te(5), and one Te(8) atom to form distorted CuTe4 tetrahedra that share  a cornercorner with one Y(1)Te6 octahedra,  a cornercorner with one Y(3)Te6 octahedra,  a cornercorner with one Y(4)Te6 octahedra,  a cornercorner with one Y(5)Te6 octahedra,  a cornercorner with one Y(6)Te6 octahedra,  a cornercorner with one Y(7)Te6 octahedra, corners with three equivalent Cu(2)Te4 tetrahedra,  an edgeedge with one Y(3)Te6 octahedra,  an edgeedge with one Y(5)Te6 octahedra,  an edgeedge with one Y(7)Te6 octahedra, and  an edgeedge with one Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-56°. There are twelve inequivalent Te sites. In the first Te site, Te(1) is bonded to one Y(3), one Y(5), one Y(7), one Cu(2), and one Cu(3) atom to form TeY3Cu2 square pyramids that share  a cornercorner with one Te(3)Y3Cu3 octahedra,  a cornercorner with one Te(12)Y3Cu2 square pyramid,  a cornercorner with one Te(5)Y3Cu2 square pyramid,  a cornercorner with one Te(8)Y3Cu2 square pyramid, edges with two equivalent Te(3)Y3Cu3 octahedra, and edges with two equivalent Te(5)Y3Cu2 square pyramids. The corner-sharing octahedral tilt angles are 92°. In the second Te site, Te(2) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(2), one Y(4), and one Y(6) atom. In the third Te site, Te(3) is bonded to one Y(3), one Y(5), one Y(7), one Cu(1), one Cu(2), and one Cu(3) atom to form a mixture of distorted edge and corner-sharing TeY3Cu3 octahedra. In the fourth Te site, Te(4) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(2), one Y(4), and one Y(6) atom. In the fifth Te site, Te(5) is bonded to one Y(3), one Y(5), one Y(7), one Cu(2), and one Cu(3) atom to form TeY3Cu2 square pyramids that share  a cornercorner with one Te(3)Y3Cu3 octahedra,  a cornercorner with one Te(1)Y3Cu2 square pyramid,  a cornercorner with one Te(12)Y3Cu2 square pyramid,  a cornercorner with one Te(8)Y3Cu2 square pyramid, edges with two equivalent Te(3)Y3Cu3 octahedra, and edges with two equivalent Te(1)Y3Cu2 square pyramids. The corner-sharing octahedral tilt angles are 92°. In the sixth Te site, Te(6) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(2), one Y(4), and one Y(6) atom. In the seventh Te site, Te(7) is bonded in a rectangular see-saw-like geometry to one Y(2), one Y(3), one Y(5), and one Y(7) atom. In the eighth Te site, Te(8) is bonded to one Y(1), one Y(4), one Y(6), one Cu(1), and one Cu(3) atom to form distorted TeY3Cu2 square pyramids that share  a cornercorner with one Te(1)Y3Cu2 square pyramid,  a cornercorner with one Te(5)Y3Cu2 square pyramid, corners with two equivalent Te(12)Y3Cu2 square pyramids,  an edgeedge with one Te(3)Y3Cu3 octahedra, and  an edgeedge with one Te(12)Y3Cu2 square pyramid. In the ninth Te site, Te(9) is bonded in a rectangular see-saw-like geometry to one Y(2), one Y(3), one Y(5), and one Y(7) atom. In the tenth Te site, Te(10) is bonded in a rectangular see-saw-like geometry to one Y(1), one Y(4), one Y(6), and one Cu(1) atom. In the eleventh Te site, Te(11) is bonded in a rectangular see-saw-like geometry to one Y(2), one Y(3), one Y(5), and one Y(7) atom. In the twelfth Te site, Te(12) is bonded to one Y(1), one Y(4), one Y(6), one Cu(1), and one Cu(2) atom to form distorted TeY3Cu2 square pyramids that share  a cornercorner with one Te(1)Y3Cu2 square pyramid,  a cornercorner with one Te(5)Y3Cu2 square pyramid, corners with two equivalent Te(8)Y3Cu2 square pyramids,  an edgeedge with one Te(3)Y3Cu3 octahedra, and  an edgeedge with one Te(8)Y3Cu2 square pyramid. is represented by the CIF card [CIF]
data_Y7(CuTe4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.306
_cell_length_b   42.855
_cell_length_c   28.253
_cell_angle_alpha   8.779
_cell_angle_beta   15.213
_cell_angle_gamma   17.516
_symmetry_Int_Tables_number   1
_cell_volume   693.680
_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
  Y  Y0  1  0.586  0.995  0.587  1.0
  Y  Y1  1  1.000  0.667  0.998  1.0
  Y  Y2  1  0.408  0.333  0.422  1.0
  Y  Y3  1  0.589  0.338  0.571  1.0
  Y  Y4  1  0.425  0.670  0.408  1.0
  Y  Y5  1  0.571  0.665  0.589  1.0
  Y  Y6  1  0.419  0.998  0.420  1.0
  Cu  Cu7  1  0.189  0.335  0.189  1.0
  Cu  Cu8  1  0.808  0.999  0.813  1.0
  Cu  Cu9  1  0.813  0.334  0.808  1.0
  Te  Te10  1  0.125  0.998  0.132  1.0
  Te  Te11  1  0.291  0.001  0.291  1.0
  Te  Te12  1  0.122  0.338  0.122  1.0
  Te  Te13  1  0.292  0.333  0.292  1.0
  Te  Te14  1  0.132  0.667  0.124  1.0
  Te  Te15  1  0.291  0.667  0.291  1.0
  Te  Te16  1  0.707  0.333  0.709  1.0
  Te  Te17  1  0.880  0.332  0.871  1.0
  Te  Te18  1  0.709  0.665  0.711  1.0
  Te  Te19  1  0.872  0.667  0.872  1.0
  Te  Te20  1  0.710  0.000  0.707  1.0
  Te  Te21  1  0.870  0.996  0.880  1.0
[/CIF]
.