The structure described by ErCu3Te3 crystallizes in the orthorhombic Pmn2_1 space group. Er(1) is bonded in a 8-coordinate geometry to one Cu(4), two equivalent Cu(1), two equivalent Cu(3), one Te(3), one Te(4), two equivalent Te(1), and two equivalent Te(2) atoms. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 7-coordinate geometry to two equivalent Er(1), one Cu(3), one Te(1), one Te(4), and two equivalent Te(2) atoms. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one Cu(4), one Te(3), one Te(4), and two equivalent Te(1) atoms. In the third Cu site, Cu(3) is bonded in a 7-coordinate geometry to two equivalent Er(1), one Cu(1), one Te(2), one Te(3), and two equivalent Te(1) atoms. In the fourth Cu site, Cu(4) is bonded in a 7-coordinate geometry to two equivalent Er(1), one Cu(2), one Te(3), one Te(4), and two equivalent Te(2) atoms. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted hexagonal planar geometry to two equivalent Er(1), one Cu(1), one Cu(2), and two equivalent Cu(3) atoms. In the second Te site, Te(2) is bonded in a distorted hexagonal planar geometry to two equivalent Er(1), one Cu(3), one Cu(4), and two equivalent Cu(1) atoms. In the third Te site, Te(3) is bonded in a 6-coordinate geometry to two equivalent Er(1), one Cu(2), one Cu(4), and two equivalent Cu(3) atoms. In the fourth Te site, Te(4) is bonded in a distorted hexagonal planar geometry to two equivalent Er(1), one Cu(2), one Cu(4), and two equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_Er(CuTe)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.943
_cell_length_b   7.626
_cell_length_c   12.797
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   677.620
_cell_formula_units_Z   4
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
  Er  Er0  1  0.240  0.749  0.837  1.0
  Er  Er1  1  0.740  0.251  0.337  1.0
  Er  Er2  1  0.740  0.251  0.663  1.0
  Er  Er3  1  0.240  0.749  0.163  1.0
  Cu  Cu4  1  0.369  0.117  0.833  1.0
  Cu  Cu5  1  0.628  0.616  0.000  1.0
  Cu  Cu6  1  0.869  0.883  0.667  1.0
  Cu  Cu7  1  0.619  0.623  0.679  1.0
  Cu  Cu8  1  0.876  0.882  0.000  1.0
  Cu  Cu9  1  0.128  0.384  0.500  1.0
  Cu  Cu10  1  0.619  0.623  0.321  1.0
  Cu  Cu11  1  0.376  0.118  0.500  1.0
  Cu  Cu12  1  0.869  0.883  0.333  1.0
  Cu  Cu13  1  0.369  0.117  0.167  1.0
  Cu  Cu14  1  0.119  0.377  0.821  1.0
  Cu  Cu15  1  0.119  0.377  0.179  1.0
  Te  Te16  1  0.005  0.567  0.338  1.0
  Te  Te17  1  0.505  0.433  0.162  1.0
  Te  Te18  1  0.978  0.064  0.166  1.0
  Te  Te19  1  0.005  0.567  0.662  1.0
  Te  Te20  1  0.999  0.551  0.000  1.0
  Te  Te21  1  0.505  0.433  0.838  1.0
  Te  Te22  1  0.478  0.936  0.334  1.0
  Te  Te23  1  0.478  0.936  0.666  1.0
  Te  Te24  1  0.993  0.059  0.500  1.0
  Te  Te25  1  0.493  0.941  0.000  1.0
  Te  Te26  1  0.978  0.064  0.834  1.0
  Te  Te27  1  0.499  0.449  0.500  1.0
[/CIF]
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The structure described by ErCu3Te3 crystallizes in the orthorhombic Pmn2_1 space group. Er(1) is bonded in a 8-coordinate geometry to one Cu(4), two equivalent Cu(1), two equivalent Cu(3), one Te(3), one Te(4), two equivalent Te(1), and two equivalent Te(2) atoms. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 7-coordinate geometry to two equivalent Er(1), one Cu(3), one Te(1), one Te(4), and two equivalent Te(2) atoms. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one Cu(4), one Te(3), one Te(4), and two equivalent Te(1) atoms. In the third Cu site, Cu(3) is bonded in a 7-coordinate geometry to two equivalent Er(1), one Cu(1), one Te(2), one Te(3), and two equivalent Te(1) atoms. In the fourth Cu site, Cu(4) is bonded in a 7-coordinate geometry to two equivalent Er(1), one Cu(2), one Te(3), one Te(4), and two equivalent Te(2) atoms. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted hexagonal planar geometry to two equivalent Er(1), one Cu(1), one Cu(2), and two equivalent Cu(3) atoms. In the second Te site, Te(2) is bonded in a distorted hexagonal planar geometry to two equivalent Er(1), one Cu(3), one Cu(4), and two equivalent Cu(1) atoms. In the third Te site, Te(3) is bonded in a 6-coordinate geometry to two equivalent Er(1), one Cu(2), one Cu(4), and two equivalent Cu(3) atoms. In the fourth Te site, Te(4) is bonded in a distorted hexagonal planar geometry to two equivalent Er(1), one Cu(2), one Cu(4), and two equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_Er(CuTe)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.943
_cell_length_b   7.626
_cell_length_c   12.797
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   677.620
_cell_formula_units_Z   4
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
  Er  Er0  1  0.240  0.749  0.837  1.0
  Er  Er1  1  0.740  0.251  0.337  1.0
  Er  Er2  1  0.740  0.251  0.663  1.0
  Er  Er3  1  0.240  0.749  0.163  1.0
  Cu  Cu4  1  0.369  0.117  0.833  1.0
  Cu  Cu5  1  0.628  0.616  0.000  1.0
  Cu  Cu6  1  0.869  0.883  0.667  1.0
  Cu  Cu7  1  0.619  0.623  0.679  1.0
  Cu  Cu8  1  0.876  0.882  0.000  1.0
  Cu  Cu9  1  0.128  0.384  0.500  1.0
  Cu  Cu10  1  0.619  0.623  0.321  1.0
  Cu  Cu11  1  0.376  0.118  0.500  1.0
  Cu  Cu12  1  0.869  0.883  0.333  1.0
  Cu  Cu13  1  0.369  0.117  0.167  1.0
  Cu  Cu14  1  0.119  0.377  0.821  1.0
  Cu  Cu15  1  0.119  0.377  0.179  1.0
  Te  Te16  1  0.005  0.567  0.338  1.0
  Te  Te17  1  0.505  0.433  0.162  1.0
  Te  Te18  1  0.978  0.064  0.166  1.0
  Te  Te19  1  0.005  0.567  0.662  1.0
  Te  Te20  1  0.999  0.551  0.000  1.0
  Te  Te21  1  0.505  0.433  0.838  1.0
  Te  Te22  1  0.478  0.936  0.334  1.0
  Te  Te23  1  0.478  0.936  0.666  1.0
  Te  Te24  1  0.993  0.059  0.500  1.0
  Te  Te25  1  0.493  0.941  0.000  1.0
  Te  Te26  1  0.978  0.064  0.834  1.0
  Te  Te27  1  0.499  0.449  0.500  1.0
[/CIF]
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