The crystal structure described by LiLa2Fe2(TeO6)2 crystallizes in the triclinic P1 space group. Li(1) is bonded to one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom to form distorted LiO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Te(2)O6 octahedra, edges with three equivalent La(2)O6 octahedra,  a faceface with one Fe(2)O6 octahedra, and  a faceface with one Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-38°. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form LaO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Te(1)O6 octahedra, and corners with three equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-60°. In the second La site, La(2) is bonded to one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom to form LaO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Te(1)O6 octahedra, corners with three equivalent Te(2)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-59°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, and edges with three equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-59°. In the second Fe site, Fe(2) is bonded to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form distorted FeO6 octahedra that share corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, edges with three equivalent Te(2)O6 octahedra, and  a faceface with one Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-60°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom to form TeO6 octahedra that share corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and  a faceface with one Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the second Te site, Te(2) is bonded to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form TeO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Te(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Te(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one La(2), one Fe(2), and one Te(2) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one La(2), one Fe(2), and one Te(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one La(2), one Fe(2), and one Te(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(2), and one Te(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(2), and one Te(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Li(1), one La(2), one Fe(1), and one Te(1) atom. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Li(1), one La(2), one Fe(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a distorted see-saw-like geometry to one Li(1), one La(2), one Fe(1), and one Te(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiLa2Fe2(TeO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.351
_cell_length_b   5.350
_cell_length_c   10.248
_cell_angle_alpha   89.984
_cell_angle_beta   90.025
_cell_angle_gamma   60.037
_symmetry_Int_Tables_number   1
_cell_volume   254.169
_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
  Li  Li0  1  0.665  0.665  0.021  1.0
  La  La1  1  1.000  1.000  0.491  1.0
  La  La2  1  0.999  0.999  0.007  1.0
  Fe  Fe3  1  0.333  0.333  0.755  1.0
  Fe  Fe4  1  0.667  0.666  0.267  1.0
  Te  Te5  1  0.667  0.667  0.745  1.0
  Te  Te6  1  0.333  0.333  0.242  1.0
  O  O7  1  0.991  0.379  0.645  1.0
  O  O8  1  0.631  0.992  0.646  1.0
  O  O9  1  0.378  0.631  0.645  1.0
  O  O10  1  0.615  0.013  0.133  1.0
  O  O11  1  0.370  0.615  0.133  1.0
  O  O12  1  0.013  0.370  0.133  1.0
  O  O13  1  0.036  0.628  0.352  1.0
  O  O14  1  0.335  0.036  0.352  1.0
  O  O15  1  0.628  0.335  0.352  1.0
  O  O16  1  0.392  0.976  0.863  1.0
  O  O17  1  0.632  0.392  0.863  1.0
  O  O18  1  0.977  0.632  0.862  1.0
[/CIF]
.
The crystal structure described by LiLa2Fe2(TeO6)2 crystallizes in the triclinic P1 space group. Li(1) is bonded to one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom to form distorted LiO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Te(2)O6 octahedra, edges with three equivalent La(2)O6 octahedra,  a faceface with one Fe(2)O6 octahedra, and  a faceface with one Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-38°. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form LaO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Te(1)O6 octahedra, and corners with three equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-60°. In the second La site, La(2) is bonded to one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom to form LaO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Te(1)O6 octahedra, corners with three equivalent Te(2)O6 octahedra, and edges with three equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-59°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, and edges with three equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-59°. In the second Fe site, Fe(2) is bonded to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form distorted FeO6 octahedra that share corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, edges with three equivalent Te(2)O6 octahedra, and  a faceface with one Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-60°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom to form TeO6 octahedra that share corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, edges with three equivalent Fe(1)O6 octahedra, and  a faceface with one Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the second Te site, Te(2) is bonded to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form TeO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent La(1)O6 octahedra, corners with three equivalent La(2)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Te(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Te(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one La(2), one Fe(2), and one Te(2) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one La(2), one Fe(2), and one Te(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one La(2), one Fe(2), and one Te(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(2), and one Te(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(2), and one Te(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to one Li(1), one La(2), one Fe(1), and one Te(1) atom. In the eleventh O site, O(11) is bonded in a distorted see-saw-like geometry to one Li(1), one La(2), one Fe(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a distorted see-saw-like geometry to one Li(1), one La(2), one Fe(1), and one Te(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiLa2Fe2(TeO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.351
_cell_length_b   5.350
_cell_length_c   10.248
_cell_angle_alpha   89.984
_cell_angle_beta   90.025
_cell_angle_gamma   60.037
_symmetry_Int_Tables_number   1
_cell_volume   254.169
_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
  Li  Li0  1  0.665  0.665  0.021  1.0
  La  La1  1  1.000  1.000  0.491  1.0
  La  La2  1  0.999  0.999  0.007  1.0
  Fe  Fe3  1  0.333  0.333  0.755  1.0
  Fe  Fe4  1  0.667  0.666  0.267  1.0
  Te  Te5  1  0.667  0.667  0.745  1.0
  Te  Te6  1  0.333  0.333  0.242  1.0
  O  O7  1  0.991  0.379  0.645  1.0
  O  O8  1  0.631  0.992  0.646  1.0
  O  O9  1  0.378  0.631  0.645  1.0
  O  O10  1  0.615  0.013  0.133  1.0
  O  O11  1  0.370  0.615  0.133  1.0
  O  O12  1  0.013  0.370  0.133  1.0
  O  O13  1  0.036  0.628  0.352  1.0
  O  O14  1  0.335  0.036  0.352  1.0
  O  O15  1  0.628  0.335  0.352  1.0
  O  O16  1  0.392  0.976  0.863  1.0
  O  O17  1  0.632  0.392  0.863  1.0
  O  O18  1  0.977  0.632  0.862  1.0
[/CIF]
.