The crystal structure described by Rb2UTe3 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form RbTe6 octahedra that share corners with two equivalent Rb(3)Te6 octahedra, edges with two equivalent Rb(3)Te6 octahedra, and edges with six equivalent U(1)Te6 octahedra. The corner-sharing octahedral tilt angles are 17°. In the second Rb site, Rb(2) is bonded in a 6-coordinate geometry to two equivalent Te(1) and four equivalent Te(2) atoms. In the third Rb site, Rb(3) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form distorted RbTe6 octahedra that share corners with two equivalent Rb(1)Te6 octahedra, corners with four equivalent U(1)Te6 octahedra, edges with two equivalent Rb(1)Te6 octahedra, and edges with four equivalent U(1)Te6 octahedra. The corner-sharing octahedral tilt angles range from 13-17°. U(1) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form UTe6 octahedra that share corners with two equivalent Rb(3)Te6 octahedra, edges with two equivalent Rb(3)Te6 octahedra, edges with three equivalent Rb(1)Te6 octahedra, and edges with three equivalent U(1)Te6 octahedra. The corner-sharing octahedral tilt angles are 13°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one Rb(1), one Rb(3), two equivalent Rb(2), and two equivalent U(1) atoms to form a mixture of edge and corner-sharing TeRb4U2 octahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the second Te site, Te(2) is bonded to one Rb(1), one Rb(3), two equivalent Rb(2), and two equivalent U(1) atoms to form a mixture of edge and corner-sharing TeRb4U2 octahedra. The corner-sharing octahedral tilt angles range from 0-16°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb2UTe3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.140
_cell_length_b   8.140
_cell_length_c   9.054
_cell_angle_alpha   81.246
_cell_angle_beta   81.246
_cell_angle_gamma   120.028
_symmetry_Int_Tables_number   1
_cell_volume   494.677
_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
  Rb  Rb0  1  0.500  0.500  0.000  1.0
  Rb  Rb1  1  0.652  0.348  0.500  1.0
  Rb  Rb2  1  0.348  0.652  0.500  1.0
  Rb  Rb3  1  0.000  0.000  0.500  1.0
  U  U4  1  0.832  0.168  0.000  1.0
  U  U5  1  0.168  0.832  0.000  1.0
  Te  Te6  1  0.809  0.809  0.204  1.0
  Te  Te7  1  0.191  0.191  0.796  1.0
  Te  Te8  1  0.429  0.049  0.209  1.0
  Te  Te9  1  0.571  0.951  0.791  1.0
  Te  Te10  1  0.951  0.571  0.791  1.0
  Te  Te11  1  0.049  0.429  0.209  1.0
[/CIF]
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The crystal structure described by Rb2UTe3 is Caswellsilverite-like structured and crystallizes in the monoclinic C2/m space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form RbTe6 octahedra that share corners with two equivalent Rb(3)Te6 octahedra, edges with two equivalent Rb(3)Te6 octahedra, and edges with six equivalent U(1)Te6 octahedra. The corner-sharing octahedral tilt angles are 17°. In the second Rb site, Rb(2) is bonded in a 6-coordinate geometry to two equivalent Te(1) and four equivalent Te(2) atoms. In the third Rb site, Rb(3) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form distorted RbTe6 octahedra that share corners with two equivalent Rb(1)Te6 octahedra, corners with four equivalent U(1)Te6 octahedra, edges with two equivalent Rb(1)Te6 octahedra, and edges with four equivalent U(1)Te6 octahedra. The corner-sharing octahedral tilt angles range from 13-17°. U(1) is bonded to two equivalent Te(1) and four equivalent Te(2) atoms to form UTe6 octahedra that share corners with two equivalent Rb(3)Te6 octahedra, edges with two equivalent Rb(3)Te6 octahedra, edges with three equivalent Rb(1)Te6 octahedra, and edges with three equivalent U(1)Te6 octahedra. The corner-sharing octahedral tilt angles are 13°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one Rb(1), one Rb(3), two equivalent Rb(2), and two equivalent U(1) atoms to form a mixture of edge and corner-sharing TeRb4U2 octahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the second Te site, Te(2) is bonded to one Rb(1), one Rb(3), two equivalent Rb(2), and two equivalent U(1) atoms to form a mixture of edge and corner-sharing TeRb4U2 octahedra. The corner-sharing octahedral tilt angles range from 0-16°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb2UTe3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.140
_cell_length_b   8.140
_cell_length_c   9.054
_cell_angle_alpha   81.246
_cell_angle_beta   81.246
_cell_angle_gamma   120.028
_symmetry_Int_Tables_number   1
_cell_volume   494.677
_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
  Rb  Rb0  1  0.500  0.500  0.000  1.0
  Rb  Rb1  1  0.652  0.348  0.500  1.0
  Rb  Rb2  1  0.348  0.652  0.500  1.0
  Rb  Rb3  1  0.000  0.000  0.500  1.0
  U  U4  1  0.832  0.168  0.000  1.0
  U  U5  1  0.168  0.832  0.000  1.0
  Te  Te6  1  0.809  0.809  0.204  1.0
  Te  Te7  1  0.191  0.191  0.796  1.0
  Te  Te8  1  0.429  0.049  0.209  1.0
  Te  Te9  1  0.571  0.951  0.791  1.0
  Te  Te10  1  0.951  0.571  0.791  1.0
  Te  Te11  1  0.049  0.429  0.209  1.0
[/CIF]
.