The material described by Li4Ti3O8 crystallizes in the trigonal R-3m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form LiO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. In the second Li site, Li(2) is bonded to six equivalent O(2) atoms to form LiO6 octahedra that share edges with six equivalent Li(1)O6 octahedra and edges with six equivalent Ti(1)O6 octahedra. Ti(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form TiO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Li(1) and three equivalent Ti(1) atoms to form OLi3Ti3 octahedra that share corners with six equivalent O(1)Li3Ti3 octahedra and edges with twelve equivalent O(2)Li3Ti2 square pyramids. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(1), and two equivalent Ti(1) atoms to form OLi3Ti2 square pyramids that share corners with nine equivalent O(2)Li3Ti2 square pyramids, edges with four equivalent O(1)Li3Ti3 octahedra, and edges with four equivalent O(2)Li3Ti2 square pyramids. is represented by the CIF card [CIF]
data_Li4Ti3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.888
_cell_length_b   5.888
_cell_length_c   5.888
_cell_angle_alpha   60.220
_cell_angle_beta   60.220
_cell_angle_gamma   60.220
_symmetry_Int_Tables_number   1
_cell_volume   145.029
_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  0.500  0.500  0.000  1.0
  Li  Li1  1  0.500  0.000  0.500  1.0
  Li  Li2  1  0.000  0.000  0.000  1.0
  Li  Li3  1  0.000  0.500  0.500  1.0
  Ti  Ti4  1  0.500  0.000  0.000  1.0
  Ti  Ti5  1  0.000  0.500  0.000  1.0
  Ti  Ti6  1  0.000  0.000  0.500  1.0
  O  O7  1  0.246  0.246  0.246  1.0
  O  O8  1  0.214  0.755  0.755  1.0
  O  O9  1  0.245  0.245  0.786  1.0
  O  O10  1  0.245  0.786  0.245  1.0
  O  O11  1  0.755  0.214  0.755  1.0
  O  O12  1  0.755  0.755  0.214  1.0
  O  O13  1  0.786  0.245  0.245  1.0
  O  O14  1  0.754  0.754  0.754  1.0
[/CIF]
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The material described by Li4Ti3O8 crystallizes in the trigonal R-3m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form LiO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. In the second Li site, Li(2) is bonded to six equivalent O(2) atoms to form LiO6 octahedra that share edges with six equivalent Li(1)O6 octahedra and edges with six equivalent Ti(1)O6 octahedra. Ti(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form TiO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. There are two inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Li(1) and three equivalent Ti(1) atoms to form OLi3Ti3 octahedra that share corners with six equivalent O(1)Li3Ti3 octahedra and edges with twelve equivalent O(2)Li3Ti2 square pyramids. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(1), and two equivalent Ti(1) atoms to form OLi3Ti2 square pyramids that share corners with nine equivalent O(2)Li3Ti2 square pyramids, edges with four equivalent O(1)Li3Ti3 octahedra, and edges with four equivalent O(2)Li3Ti2 square pyramids. is represented by the CIF card [CIF]
data_Li4Ti3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.888
_cell_length_b   5.888
_cell_length_c   5.888
_cell_angle_alpha   60.220
_cell_angle_beta   60.220
_cell_angle_gamma   60.220
_symmetry_Int_Tables_number   1
_cell_volume   145.029
_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  0.500  0.500  0.000  1.0
  Li  Li1  1  0.500  0.000  0.500  1.0
  Li  Li2  1  0.000  0.000  0.000  1.0
  Li  Li3  1  0.000  0.500  0.500  1.0
  Ti  Ti4  1  0.500  0.000  0.000  1.0
  Ti  Ti5  1  0.000  0.500  0.000  1.0
  Ti  Ti6  1  0.000  0.000  0.500  1.0
  O  O7  1  0.246  0.246  0.246  1.0
  O  O8  1  0.214  0.755  0.755  1.0
  O  O9  1  0.245  0.245  0.786  1.0
  O  O10  1  0.245  0.786  0.245  1.0
  O  O11  1  0.755  0.214  0.755  1.0
  O  O12  1  0.755  0.755  0.214  1.0
  O  O13  1  0.786  0.245  0.245  1.0
  O  O14  1  0.754  0.754  0.754  1.0
[/CIF]
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