The crystal structure described by LiLaNb4O12 crystallizes in the tetragonal I4/mmm space group. The structure consists of two 7439-93-2 atoms inside a LaNb4O12 framework. In the LaNb4O12 framework, La(1) is bonded to four equivalent O(2) and eight equivalent O(1) atoms to form LaO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra and faces with eight equivalent Nb(1)O6 octahedra. Nb(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form NbO6 octahedra that share corners with six equivalent Nb(1)O6 octahedra and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-14°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one La(1) and two equivalent Nb(1) atoms. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent La(1) and two equivalent Nb(1) atoms. In the third O site, O(3) is bonded in a linear geometry to two equivalent Nb(1) atoms. is represented by the CIF card [CIF]
data_LiLaNb4O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.963
_cell_length_b   8.963
_cell_length_c   8.963
_cell_angle_alpha   143.460
_cell_angle_beta   143.460
_cell_angle_gamma   52.636
_symmetry_Int_Tables_number   1
_cell_volume   253.718
_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  0.000  0.000  0.000  1.0
  La  La1  1  0.500  0.500  0.000  1.0
  Nb  Nb2  1  0.629  0.129  0.500  1.0
  Nb  Nb3  1  0.129  0.629  0.500  1.0
  Nb  Nb4  1  0.871  0.371  0.500  1.0
  Nb  Nb5  1  0.371  0.871  0.500  1.0
  O  O6  1  0.370  0.859  0.000  1.0
  O  O7  1  0.859  0.370  0.000  1.0
  O  O8  1  0.630  0.141  0.000  1.0
  O  O9  1  0.141  0.630  0.000  1.0
  O  O10  1  0.859  0.859  0.488  1.0
  O  O11  1  0.370  0.370  0.512  1.0
  O  O12  1  0.141  0.141  0.512  1.0
  O  O13  1  0.630  0.630  0.488  1.0
  O  O14  1  0.500  0.000  0.500  1.0
  O  O15  1  0.000  0.500  0.500  1.0
  O  O16  1  0.750  0.250  0.500  1.0
  O  O17  1  0.250  0.750  0.500  1.0
[/CIF]
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The crystal structure described by LiLaNb4O12 crystallizes in the tetragonal I4/mmm space group. The structure consists of two 7439-93-2 atoms inside a LaNb4O12 framework. In the LaNb4O12 framework, La(1) is bonded to four equivalent O(2) and eight equivalent O(1) atoms to form LaO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra and faces with eight equivalent Nb(1)O6 octahedra. Nb(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form NbO6 octahedra that share corners with six equivalent Nb(1)O6 octahedra and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-14°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one La(1) and two equivalent Nb(1) atoms. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent La(1) and two equivalent Nb(1) atoms. In the third O site, O(3) is bonded in a linear geometry to two equivalent Nb(1) atoms. is represented by the CIF card [CIF]
data_LiLaNb4O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.963
_cell_length_b   8.963
_cell_length_c   8.963
_cell_angle_alpha   143.460
_cell_angle_beta   143.460
_cell_angle_gamma   52.636
_symmetry_Int_Tables_number   1
_cell_volume   253.718
_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  0.000  0.000  0.000  1.0
  La  La1  1  0.500  0.500  0.000  1.0
  Nb  Nb2  1  0.629  0.129  0.500  1.0
  Nb  Nb3  1  0.129  0.629  0.500  1.0
  Nb  Nb4  1  0.871  0.371  0.500  1.0
  Nb  Nb5  1  0.371  0.871  0.500  1.0
  O  O6  1  0.370  0.859  0.000  1.0
  O  O7  1  0.859  0.370  0.000  1.0
  O  O8  1  0.630  0.141  0.000  1.0
  O  O9  1  0.141  0.630  0.000  1.0
  O  O10  1  0.859  0.859  0.488  1.0
  O  O11  1  0.370  0.370  0.512  1.0
  O  O12  1  0.141  0.141  0.512  1.0
  O  O13  1  0.630  0.630  0.488  1.0
  O  O14  1  0.500  0.000  0.500  1.0
  O  O15  1  0.000  0.500  0.500  1.0
  O  O16  1  0.750  0.250  0.500  1.0
  O  O17  1  0.250  0.750  0.500  1.0
[/CIF]
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