The structure described by Li4Ti11O24 crystallizes in the monoclinic C2/m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(5), one O(7), and two equivalent O(1) atoms to form LiO4 tetrahedra that share  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, and corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Li site, Li(2) is bonded to one O(3), one O(9), and two equivalent O(2) atoms to form LiO4 tetrahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(5)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, and corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. There are five inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(9) atom to form TiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Ti(2)O6 octahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Ti(5)O6 octahedra, and edges with two equivalent Ti(1)O6 octahedra. In the second Ti site, Ti(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(8) atoms to form distorted TiO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Ti(5)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(4)O6 octahedra. In the third Ti site, Ti(3) is bonded to one O(6), one O(7), two equivalent O(2), and two equivalent O(8) atoms to form TiO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Ti(2)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(4)O6 octahedra. In the fourth Ti site, Ti(4) is bonded to two equivalent O(3), two equivalent O(7), and two equivalent O(8) atoms to form TiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, edges with two equivalent Ti(2)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with two equivalent Ti(4)O6 octahedra. In the fifth Ti site, Ti(5) is bonded to two equivalent O(9) and four equivalent O(1) atoms to form TiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. There are nine inequivalent O sites. In the first O site, O(2) is bonded in a trigonal planar geometry to one Li(2), one Ti(1), and one Ti(3) atom. In the second O site, O(3) is bonded to one Li(2), one Ti(2), and two equivalent Ti(4) atoms to form a mixture of distorted corner and edge-sharing OLiTi3 trigonal pyramids. In the third O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Ti(2) and two equivalent Ti(1) atoms. In the fourth O site, O(5) is bonded in a trigonal planar geometry to one Li(1) and two equivalent Ti(1) atoms. In the fifth O site, O(6) is bonded in a distorted T-shaped geometry to one Ti(3) and two equivalent Ti(1) atoms. In the sixth O site, O(7) is bonded to one Li(1), one Ti(3), and two equivalent Ti(4) atoms to form a mixture of distorted corner and edge-sharing OLiTi3 trigonal pyramids. In the seventh O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Ti(2), one Ti(3), and one Ti(4) atom. In the eighth O site, O(9) is bonded to one Li(2), one Ti(5), and two equivalent Ti(1) atoms to form a mixture of corner and edge-sharing OLiTi3 tetrahedra. In the ninth O site, O(1) is bonded to one Li(1), one Ti(1), one Ti(2), and one Ti(5) atom to form a mixture of distorted corner and edge-sharing OLiTi3 trigonal pyramids. is represented by the CIF card [CIF]
data_Li4Ti11O24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.264
_cell_length_b   10.264
_cell_length_c   8.500
_cell_angle_alpha   65.930
_cell_angle_beta   65.930
_cell_angle_gamma   33.929
_symmetry_Int_Tables_number   1
_cell_volume   452.096
_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  0.584  0.584  0.532  1.0
  Li  Li1  1  0.416  0.416  0.468  1.0
  Li  Li2  1  0.089  0.089  0.789  1.0
  Li  Li3  1  0.911  0.911  0.211  1.0
  Ti  Ti4  1  0.667  0.178  0.839  1.0
  Ti  Ti5  1  0.822  0.333  0.161  1.0
  Ti  Ti6  1  0.171  0.171  0.314  1.0
  Ti  Ti7  1  0.341  0.341  0.157  1.0
  Ti  Ti8  1  0.178  0.667  0.839  1.0
  Ti  Ti9  1  0.333  0.822  0.161  1.0
  Ti  Ti10  1  0.000  0.500  0.500  1.0
  Ti  Ti11  1  0.829  0.829  0.686  1.0
  Ti  Ti12  1  0.659  0.659  0.843  1.0
  Ti  Ti13  1  0.000  0.000  0.500  1.0
  Ti  Ti14  1  0.500  0.000  0.500  1.0
  O  O15  1  0.866  0.302  0.405  1.0
  O  O16  1  0.698  0.134  0.595  1.0
  O  O17  1  0.653  0.165  0.072  1.0
  O  O18  1  0.178  0.178  0.564  1.0
  O  O19  1  0.156  0.156  0.114  1.0
  O  O20  1  0.489  0.489  0.748  1.0
  O  O21  1  0.346  0.346  0.923  1.0
  O  O22  1  0.327  0.327  0.413  1.0
  O  O23  1  0.511  0.511  0.252  1.0
  O  O24  1  0.034  0.466  0.271  1.0
  O  O25  1  0.165  0.653  0.072  1.0
  O  O26  1  0.835  0.347  0.928  1.0
  O  O27  1  0.302  0.866  0.405  1.0
  O  O28  1  0.134  0.698  0.595  1.0
  O  O29  1  0.966  0.534  0.729  1.0
  O  O30  1  0.007  0.007  0.256  1.0
  O  O31  1  0.673  0.673  0.587  1.0
  O  O32  1  0.993  0.993  0.744  1.0
  O  O33  1  0.844  0.844  0.886  1.0
  O  O34  1  0.822  0.822  0.436  1.0
  O  O35  1  0.654  0.654  0.077  1.0
  O  O36  1  0.534  0.966  0.729  1.0
  O  O37  1  0.347  0.835  0.928  1.0
  O  O38  1  0.466  0.034  0.271  1.0
[/CIF]
.
The structure described by Li4Ti11O24 crystallizes in the monoclinic C2/m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(5), one O(7), and two equivalent O(1) atoms to form LiO4 tetrahedra that share  a cornercorner with one Ti(3)O6 octahedra, corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, and corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Li site, Li(2) is bonded to one O(3), one O(9), and two equivalent O(2) atoms to form LiO4 tetrahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(5)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, and corners with four equivalent Ti(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. There are five inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(9) atom to form TiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Ti(2)O6 octahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Ti(5)O6 octahedra, and edges with two equivalent Ti(1)O6 octahedra. In the second Ti site, Ti(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(8) atoms to form distorted TiO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Ti(5)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(4)O6 octahedra. In the third Ti site, Ti(3) is bonded to one O(6), one O(7), two equivalent O(2), and two equivalent O(8) atoms to form TiO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one Ti(2)O6 octahedra, edges with two equivalent Ti(1)O6 octahedra, and edges with two equivalent Ti(4)O6 octahedra. In the fourth Ti site, Ti(4) is bonded to two equivalent O(3), two equivalent O(7), and two equivalent O(8) atoms to form TiO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, edges with two equivalent Ti(2)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with two equivalent Ti(4)O6 octahedra. In the fifth Ti site, Ti(5) is bonded to two equivalent O(9) and four equivalent O(1) atoms to form TiO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Ti(2)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. There are nine inequivalent O sites. In the first O site, O(2) is bonded in a trigonal planar geometry to one Li(2), one Ti(1), and one Ti(3) atom. In the second O site, O(3) is bonded to one Li(2), one Ti(2), and two equivalent Ti(4) atoms to form a mixture of distorted corner and edge-sharing OLiTi3 trigonal pyramids. In the third O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Ti(2) and two equivalent Ti(1) atoms. In the fourth O site, O(5) is bonded in a trigonal planar geometry to one Li(1) and two equivalent Ti(1) atoms. In the fifth O site, O(6) is bonded in a distorted T-shaped geometry to one Ti(3) and two equivalent Ti(1) atoms. In the sixth O site, O(7) is bonded to one Li(1), one Ti(3), and two equivalent Ti(4) atoms to form a mixture of distorted corner and edge-sharing OLiTi3 trigonal pyramids. In the seventh O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Ti(2), one Ti(3), and one Ti(4) atom. In the eighth O site, O(9) is bonded to one Li(2), one Ti(5), and two equivalent Ti(1) atoms to form a mixture of corner and edge-sharing OLiTi3 tetrahedra. In the ninth O site, O(1) is bonded to one Li(1), one Ti(1), one Ti(2), and one Ti(5) atom to form a mixture of distorted corner and edge-sharing OLiTi3 trigonal pyramids. is represented by the CIF card [CIF]
data_Li4Ti11O24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.264
_cell_length_b   10.264
_cell_length_c   8.500
_cell_angle_alpha   65.930
_cell_angle_beta   65.930
_cell_angle_gamma   33.929
_symmetry_Int_Tables_number   1
_cell_volume   452.096
_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  0.584  0.584  0.532  1.0
  Li  Li1  1  0.416  0.416  0.468  1.0
  Li  Li2  1  0.089  0.089  0.789  1.0
  Li  Li3  1  0.911  0.911  0.211  1.0
  Ti  Ti4  1  0.667  0.178  0.839  1.0
  Ti  Ti5  1  0.822  0.333  0.161  1.0
  Ti  Ti6  1  0.171  0.171  0.314  1.0
  Ti  Ti7  1  0.341  0.341  0.157  1.0
  Ti  Ti8  1  0.178  0.667  0.839  1.0
  Ti  Ti9  1  0.333  0.822  0.161  1.0
  Ti  Ti10  1  0.000  0.500  0.500  1.0
  Ti  Ti11  1  0.829  0.829  0.686  1.0
  Ti  Ti12  1  0.659  0.659  0.843  1.0
  Ti  Ti13  1  0.000  0.000  0.500  1.0
  Ti  Ti14  1  0.500  0.000  0.500  1.0
  O  O15  1  0.866  0.302  0.405  1.0
  O  O16  1  0.698  0.134  0.595  1.0
  O  O17  1  0.653  0.165  0.072  1.0
  O  O18  1  0.178  0.178  0.564  1.0
  O  O19  1  0.156  0.156  0.114  1.0
  O  O20  1  0.489  0.489  0.748  1.0
  O  O21  1  0.346  0.346  0.923  1.0
  O  O22  1  0.327  0.327  0.413  1.0
  O  O23  1  0.511  0.511  0.252  1.0
  O  O24  1  0.034  0.466  0.271  1.0
  O  O25  1  0.165  0.653  0.072  1.0
  O  O26  1  0.835  0.347  0.928  1.0
  O  O27  1  0.302  0.866  0.405  1.0
  O  O28  1  0.134  0.698  0.595  1.0
  O  O29  1  0.966  0.534  0.729  1.0
  O  O30  1  0.007  0.007  0.256  1.0
  O  O31  1  0.673  0.673  0.587  1.0
  O  O32  1  0.993  0.993  0.744  1.0
  O  O33  1  0.844  0.844  0.886  1.0
  O  O34  1  0.822  0.822  0.436  1.0
  O  O35  1  0.654  0.654  0.077  1.0
  O  O36  1  0.534  0.966  0.729  1.0
  O  O37  1  0.347  0.835  0.928  1.0
  O  O38  1  0.466  0.034  0.271  1.0
[/CIF]
.