The structure described by U4CuTe12 crystallizes in the triclinic P1 space group. There are four inequivalent U sites. In the first U site, U(1) is bonded in a 8-coordinate geometry to one Te(10), one Te(11), one Te(12), one Te(3), one Te(4), one Te(7), one Te(8), and one Te(9) atom. In the second U site, U(2) is bonded in a 8-coordinate geometry to one Te(10), one Te(11), one Te(12), one Te(3), one Te(4), one Te(7), one Te(8), and one Te(9) atom. In the third U site, U(3) is bonded in a 8-coordinate geometry to one Te(1), one Te(10), one Te(11), one Te(12), one Te(2), one Te(5), one Te(6), and one Te(9) atom. In the fourth U site, U(4) is bonded in a 8-coordinate geometry to one Te(1), one Te(10), one Te(11), one Te(12), one Te(2), one Te(5), one Te(6), and one Te(9) atom. Cu(1) is bonded in a 4-coordinate geometry to one Te(1), one Te(3), one Te(4), and one Te(6) atom. There are twelve inequivalent Te sites. In the first Te site, Te(1) is bonded in a 3-coordinate geometry to one U(3), one U(4), one Cu(1), and one Te(5) atom. In the second Te site, Te(2) is bonded in a 4-coordinate geometry to one U(3), one U(4), one Te(5), and one Te(6) atom. In the third Te site, Te(3) is bonded in a 5-coordinate geometry to one U(1), one U(2), one Cu(1), one Te(7), and one Te(8) atom. In the fourth Te site, Te(4) is bonded in a 5-coordinate geometry to one U(1), one U(2), one Cu(1), one Te(7), and one Te(8) atom. In the fifth Te site, Te(5) is bonded in a 4-coordinate geometry to one U(3), one U(4), one Te(1), and one Te(2) atom. In the sixth Te site, Te(6) is bonded in a 3-coordinate geometry to one U(3), one U(4), one Cu(1), and one Te(2) atom. In the seventh Te site, Te(7) is bonded in a 4-coordinate geometry to one U(1), one U(2), one Te(3), and one Te(4) atom. In the eighth Te site, Te(8) is bonded in a 4-coordinate geometry to one U(1), one U(2), one Te(3), and one Te(4) atom. In the ninth Te site, Te(9) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. In the tenth Te site, Te(10) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. In the eleventh Te site, Te(11) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. In the twelfth Te site, Te(12) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. is represented by the CIF card [CIF]
data_U4CuTe12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.453
_cell_length_b   7.447
_cell_length_c   11.426
_cell_angle_alpha   71.151
_cell_angle_beta   71.135
_cell_angle_gamma   70.377
_symmetry_Int_Tables_number   1
_cell_volume   548.593
_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
  U  U0  1  0.810  0.810  0.838  1.0
  U  U1  1  0.310  0.310  0.843  1.0
  U  U2  1  0.688  0.192  0.162  1.0
  U  U3  1  0.193  0.689  0.158  1.0
  Cu  Cu4  1  0.811  0.811  0.533  1.0
  Te  Te5  1  0.005  0.004  0.327  1.0
  Te  Te6  1  0.495  0.499  0.331  1.0
  Te  Te7  1  0.500  0.001  0.667  1.0
  Te  Te8  1  0.001  0.500  0.666  1.0
  Te  Te9  1  0.258  0.260  0.335  1.0
  Te  Te10  1  0.757  0.754  0.334  1.0
  Te  Te11  1  0.244  0.738  0.670  1.0
  Te  Te12  1  0.738  0.244  0.670  1.0
  Te  Te13  1  0.020  0.023  0.944  1.0
  Te  Te14  1  0.523  0.520  0.943  1.0
  Te  Te15  1  0.481  0.978  0.057  1.0
  Te  Te16  1  0.978  0.480  0.057  1.0
[/CIF]
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The structure described by U4CuTe12 crystallizes in the triclinic P1 space group. There are four inequivalent U sites. In the first U site, U(1) is bonded in a 8-coordinate geometry to one Te(10), one Te(11), one Te(12), one Te(3), one Te(4), one Te(7), one Te(8), and one Te(9) atom. In the second U site, U(2) is bonded in a 8-coordinate geometry to one Te(10), one Te(11), one Te(12), one Te(3), one Te(4), one Te(7), one Te(8), and one Te(9) atom. In the third U site, U(3) is bonded in a 8-coordinate geometry to one Te(1), one Te(10), one Te(11), one Te(12), one Te(2), one Te(5), one Te(6), and one Te(9) atom. In the fourth U site, U(4) is bonded in a 8-coordinate geometry to one Te(1), one Te(10), one Te(11), one Te(12), one Te(2), one Te(5), one Te(6), and one Te(9) atom. Cu(1) is bonded in a 4-coordinate geometry to one Te(1), one Te(3), one Te(4), and one Te(6) atom. There are twelve inequivalent Te sites. In the first Te site, Te(1) is bonded in a 3-coordinate geometry to one U(3), one U(4), one Cu(1), and one Te(5) atom. In the second Te site, Te(2) is bonded in a 4-coordinate geometry to one U(3), one U(4), one Te(5), and one Te(6) atom. In the third Te site, Te(3) is bonded in a 5-coordinate geometry to one U(1), one U(2), one Cu(1), one Te(7), and one Te(8) atom. In the fourth Te site, Te(4) is bonded in a 5-coordinate geometry to one U(1), one U(2), one Cu(1), one Te(7), and one Te(8) atom. In the fifth Te site, Te(5) is bonded in a 4-coordinate geometry to one U(3), one U(4), one Te(1), and one Te(2) atom. In the sixth Te site, Te(6) is bonded in a 3-coordinate geometry to one U(3), one U(4), one Cu(1), and one Te(2) atom. In the seventh Te site, Te(7) is bonded in a 4-coordinate geometry to one U(1), one U(2), one Te(3), and one Te(4) atom. In the eighth Te site, Te(8) is bonded in a 4-coordinate geometry to one U(1), one U(2), one Te(3), and one Te(4) atom. In the ninth Te site, Te(9) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. In the tenth Te site, Te(10) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. In the eleventh Te site, Te(11) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. In the twelfth Te site, Te(12) is bonded to one U(1), one U(2), one U(3), and one U(4) atom to form a mixture of distorted corner and edge-sharing TeU4 trigonal pyramids. is represented by the CIF card [CIF]
data_U4CuTe12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.453
_cell_length_b   7.447
_cell_length_c   11.426
_cell_angle_alpha   71.151
_cell_angle_beta   71.135
_cell_angle_gamma   70.377
_symmetry_Int_Tables_number   1
_cell_volume   548.593
_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
  U  U0  1  0.810  0.810  0.838  1.0
  U  U1  1  0.310  0.310  0.843  1.0
  U  U2  1  0.688  0.192  0.162  1.0
  U  U3  1  0.193  0.689  0.158  1.0
  Cu  Cu4  1  0.811  0.811  0.533  1.0
  Te  Te5  1  0.005  0.004  0.327  1.0
  Te  Te6  1  0.495  0.499  0.331  1.0
  Te  Te7  1  0.500  0.001  0.667  1.0
  Te  Te8  1  0.001  0.500  0.666  1.0
  Te  Te9  1  0.258  0.260  0.335  1.0
  Te  Te10  1  0.757  0.754  0.334  1.0
  Te  Te11  1  0.244  0.738  0.670  1.0
  Te  Te12  1  0.738  0.244  0.670  1.0
  Te  Te13  1  0.020  0.023  0.944  1.0
  Te  Te14  1  0.523  0.520  0.943  1.0
  Te  Te15  1  0.481  0.978  0.057  1.0
  Te  Te16  1  0.978  0.480  0.057  1.0
[/CIF]
.