The compound described by Sm(CuTe)3 crystallizes in the trigonal R-3 space group. Sm(1) is bonded to six equivalent Te(1) atoms to form distorted SmTe6 octahedra that share corners with twelve equivalent Cu(1)Te4 tetrahedra, edges with three equivalent Sm(1)Te6 octahedra, and edges with six equivalent Cu(1)Te4 tetrahedra. Cu(1) is bonded to four equivalent Te(1) atoms to form distorted CuTe4 tetrahedra that share corners with four equivalent Sm(1)Te6 octahedra, corners with six equivalent Cu(1)Te4 tetrahedra, edges with two equivalent Sm(1)Te6 octahedra, and edges with three equivalent Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-57°. Te(1) is bonded in a 6-coordinate geometry to two equivalent Sm(1) and four equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_Sm(CuTe)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.329
_cell_length_b   8.329
_cell_length_c   8.329
_cell_angle_alpha   53.641
_cell_angle_beta   53.641
_cell_angle_gamma   53.641
_symmetry_Int_Tables_number   1
_cell_volume   347.830
_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
  Sm  Sm0  1  0.834  0.834  0.834  1.0
  Sm  Sm1  1  0.166  0.166  0.166  1.0
  Cu  Cu2  1  0.277  0.968  0.625  1.0
  Cu  Cu3  1  0.625  0.277  0.968  1.0
  Cu  Cu4  1  0.968  0.625  0.277  1.0
  Cu  Cu5  1  0.032  0.375  0.723  1.0
  Cu  Cu6  1  0.375  0.723  0.032  1.0
  Cu  Cu7  1  0.723  0.032  0.375  1.0
  Te  Te8  1  0.091  0.739  0.416  1.0
  Te  Te9  1  0.739  0.416  0.091  1.0
  Te  Te10  1  0.416  0.091  0.739  1.0
  Te  Te11  1  0.584  0.909  0.261  1.0
  Te  Te12  1  0.261  0.584  0.909  1.0
  Te  Te13  1  0.909  0.261  0.584  1.0
[/CIF]
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The compound described by Sm(CuTe)3 crystallizes in the trigonal R-3 space group. Sm(1) is bonded to six equivalent Te(1) atoms to form distorted SmTe6 octahedra that share corners with twelve equivalent Cu(1)Te4 tetrahedra, edges with three equivalent Sm(1)Te6 octahedra, and edges with six equivalent Cu(1)Te4 tetrahedra. Cu(1) is bonded to four equivalent Te(1) atoms to form distorted CuTe4 tetrahedra that share corners with four equivalent Sm(1)Te6 octahedra, corners with six equivalent Cu(1)Te4 tetrahedra, edges with two equivalent Sm(1)Te6 octahedra, and edges with three equivalent Cu(1)Te4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-57°. Te(1) is bonded in a 6-coordinate geometry to two equivalent Sm(1) and four equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_Sm(CuTe)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.329
_cell_length_b   8.329
_cell_length_c   8.329
_cell_angle_alpha   53.641
_cell_angle_beta   53.641
_cell_angle_gamma   53.641
_symmetry_Int_Tables_number   1
_cell_volume   347.830
_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
  Sm  Sm0  1  0.834  0.834  0.834  1.0
  Sm  Sm1  1  0.166  0.166  0.166  1.0
  Cu  Cu2  1  0.277  0.968  0.625  1.0
  Cu  Cu3  1  0.625  0.277  0.968  1.0
  Cu  Cu4  1  0.968  0.625  0.277  1.0
  Cu  Cu5  1  0.032  0.375  0.723  1.0
  Cu  Cu6  1  0.375  0.723  0.032  1.0
  Cu  Cu7  1  0.723  0.032  0.375  1.0
  Te  Te8  1  0.091  0.739  0.416  1.0
  Te  Te9  1  0.739  0.416  0.091  1.0
  Te  Te10  1  0.416  0.091  0.739  1.0
  Te  Te11  1  0.584  0.909  0.261  1.0
  Te  Te12  1  0.261  0.584  0.909  1.0
  Te  Te13  1  0.909  0.261  0.584  1.0
[/CIF]
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