The structure described by LaTeNbO6 crystallizes in the triclinic P-1 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(12), one O(3), one O(5), one O(9), two equivalent O(4), and two equivalent O(7) atoms to form distorted LaO8 hexagonal bipyramids that share edges with two equivalent La(1)O8 hexagonal bipyramids and  an edgeedge with one Nb(1)O6 octahedra. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(5), one O(6), one O(8), and one O(9) atom. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(3), and one O(6) atom to form distorted NbO6 octahedra that share  an edgeedge with one La(1)O8 hexagonal bipyramid. In the second Nb site, Nb(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(7), one O(8), and one O(9) atom. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted T-shaped geometry to one O(1), one O(10), and one O(4) atom. In the second Te site, Te(2) is bonded in a 3-coordinate geometry to one O(12), one O(4), one O(5), and one O(7) atom. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one Nb(1), and one Te(2) atom. In the second O site, O(1) is bonded in a distorted trigonal planar geometry to one La(2), one Nb(1), and one Te(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one La(2) and one Nb(1) atom. In the fourth O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one Nb(1), and one Nb(2) atom. In the fifth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent La(1), one Te(1), and one Te(2) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one La(1), one La(2), and one Te(2) atom. In the seventh O site, O(6) is bonded in a distorted bent 150 degrees geometry to one La(2) and one Nb(1) atom. In the eighth O site, O(7) is bonded to two equivalent La(1), one Nb(2), and one Te(2) atom to form distorted edge-sharing OLa2NbTe tetrahedra. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one La(2) and one Nb(2) atom. In the tenth O site, O(9) is bonded in a distorted trigonal planar geometry to one La(1), one La(2), and one Nb(2) atom. In the eleventh O site, O(10) is bonded in a 3-coordinate geometry to one La(2), one Nb(2), and one Te(1) atom. In the twelfth O site, O(11) is bonded in a distorted trigonal planar geometry to one La(2), one Nb(1), and one Nb(2) atom. is represented by the CIF card [CIF]
data_LaNbTeO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.864
_cell_length_b   7.502
_cell_length_c   10.900
_cell_angle_alpha   100.287
_cell_angle_beta   102.981
_cell_angle_gamma   89.775
_symmetry_Int_Tables_number   1
_cell_volume   537.779
_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
  La  La0  1  0.239  0.139  0.495  1.0
  La  La1  1  0.330  0.285  0.156  1.0
  La  La2  1  0.761  0.861  0.505  1.0
  La  La3  1  0.670  0.715  0.844  1.0
  Nb  Nb4  1  0.183  0.454  0.803  1.0
  Nb  Nb5  1  0.173  0.959  0.801  1.0
  Nb  Nb6  1  0.817  0.546  0.197  1.0
  Nb  Nb7  1  0.827  0.041  0.199  1.0
  Te  Te8  1  0.330  0.799  0.201  1.0
  Te  Te9  1  0.736  0.371  0.503  1.0
  Te  Te10  1  0.670  0.201  0.799  1.0
  Te  Te11  1  0.264  0.629  0.497  1.0
  O  O12  1  0.500  0.400  0.790  1.0
  O  O13  1  0.910  0.500  0.778  1.0
  O  O14  1  0.857  0.816  0.281  1.0
  O  O15  1  0.394  0.871  0.385  1.0
  O  O16  1  0.534  0.677  0.595  1.0
  O  O17  1  0.755  0.569  0.030  1.0
  O  O18  1  0.850  0.151  0.428  1.0
  O  O19  1  0.817  0.944  0.034  1.0
  O  O20  1  0.893  0.889  0.742  1.0
  O  O21  1  0.143  0.184  0.719  1.0
  O  O22  1  0.606  0.129  0.615  1.0
  O  O23  1  0.150  0.849  0.572  1.0
  O  O24  1  0.494  0.018  0.819  1.0
  O  O25  1  0.090  0.500  0.222  1.0
  O  O26  1  0.466  0.323  0.405  1.0
  O  O27  1  0.245  0.431  0.970  1.0
  O  O28  1  0.500  0.600  0.210  1.0
  O  O29  1  0.506  0.982  0.181  1.0
  O  O30  1  0.288  0.714  0.820  1.0
  O  O31  1  0.712  0.286  0.180  1.0
  O  O32  1  0.183  0.056  0.966  1.0
  O  O33  1  0.181  0.454  0.588  1.0
  O  O34  1  0.819  0.546  0.412  1.0
  O  O35  1  0.107  0.111  0.258  1.0
[/CIF]
.
The structure described by LaTeNbO6 crystallizes in the triclinic P-1 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(12), one O(3), one O(5), one O(9), two equivalent O(4), and two equivalent O(7) atoms to form distorted LaO8 hexagonal bipyramids that share edges with two equivalent La(1)O8 hexagonal bipyramids and  an edgeedge with one Nb(1)O6 octahedra. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(5), one O(6), one O(8), and one O(9) atom. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(3), and one O(6) atom to form distorted NbO6 octahedra that share  an edgeedge with one La(1)O8 hexagonal bipyramid. In the second Nb site, Nb(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(3), one O(7), one O(8), and one O(9) atom. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted T-shaped geometry to one O(1), one O(10), and one O(4) atom. In the second Te site, Te(2) is bonded in a 3-coordinate geometry to one O(12), one O(4), one O(5), and one O(7) atom. There are twelve inequivalent O sites. In the first O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one Nb(1), and one Te(2) atom. In the second O site, O(1) is bonded in a distorted trigonal planar geometry to one La(2), one Nb(1), and one Te(1) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one La(2) and one Nb(1) atom. In the fourth O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one La(1), one Nb(1), and one Nb(2) atom. In the fifth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent La(1), one Te(1), and one Te(2) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one La(1), one La(2), and one Te(2) atom. In the seventh O site, O(6) is bonded in a distorted bent 150 degrees geometry to one La(2) and one Nb(1) atom. In the eighth O site, O(7) is bonded to two equivalent La(1), one Nb(2), and one Te(2) atom to form distorted edge-sharing OLa2NbTe tetrahedra. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one La(2) and one Nb(2) atom. In the tenth O site, O(9) is bonded in a distorted trigonal planar geometry to one La(1), one La(2), and one Nb(2) atom. In the eleventh O site, O(10) is bonded in a 3-coordinate geometry to one La(2), one Nb(2), and one Te(1) atom. In the twelfth O site, O(11) is bonded in a distorted trigonal planar geometry to one La(2), one Nb(1), and one Nb(2) atom. is represented by the CIF card [CIF]
data_LaNbTeO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.864
_cell_length_b   7.502
_cell_length_c   10.900
_cell_angle_alpha   100.287
_cell_angle_beta   102.981
_cell_angle_gamma   89.775
_symmetry_Int_Tables_number   1
_cell_volume   537.779
_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
  La  La0  1  0.239  0.139  0.495  1.0
  La  La1  1  0.330  0.285  0.156  1.0
  La  La2  1  0.761  0.861  0.505  1.0
  La  La3  1  0.670  0.715  0.844  1.0
  Nb  Nb4  1  0.183  0.454  0.803  1.0
  Nb  Nb5  1  0.173  0.959  0.801  1.0
  Nb  Nb6  1  0.817  0.546  0.197  1.0
  Nb  Nb7  1  0.827  0.041  0.199  1.0
  Te  Te8  1  0.330  0.799  0.201  1.0
  Te  Te9  1  0.736  0.371  0.503  1.0
  Te  Te10  1  0.670  0.201  0.799  1.0
  Te  Te11  1  0.264  0.629  0.497  1.0
  O  O12  1  0.500  0.400  0.790  1.0
  O  O13  1  0.910  0.500  0.778  1.0
  O  O14  1  0.857  0.816  0.281  1.0
  O  O15  1  0.394  0.871  0.385  1.0
  O  O16  1  0.534  0.677  0.595  1.0
  O  O17  1  0.755  0.569  0.030  1.0
  O  O18  1  0.850  0.151  0.428  1.0
  O  O19  1  0.817  0.944  0.034  1.0
  O  O20  1  0.893  0.889  0.742  1.0
  O  O21  1  0.143  0.184  0.719  1.0
  O  O22  1  0.606  0.129  0.615  1.0
  O  O23  1  0.150  0.849  0.572  1.0
  O  O24  1  0.494  0.018  0.819  1.0
  O  O25  1  0.090  0.500  0.222  1.0
  O  O26  1  0.466  0.323  0.405  1.0
  O  O27  1  0.245  0.431  0.970  1.0
  O  O28  1  0.500  0.600  0.210  1.0
  O  O29  1  0.506  0.982  0.181  1.0
  O  O30  1  0.288  0.714  0.820  1.0
  O  O31  1  0.712  0.286  0.180  1.0
  O  O32  1  0.183  0.056  0.966  1.0
  O  O33  1  0.181  0.454  0.588  1.0
  O  O34  1  0.819  0.546  0.412  1.0
  O  O35  1  0.107  0.111  0.258  1.0
[/CIF]
.