The material described by Ti6O11 crystallizes in the triclinic P-1 space group. There are six inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(1) atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(4), one O(7), and two equivalent O(3) atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 42-53°. In the third Ti site, Ti(3) is bonded to one O(11), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 43-61°. In the fourth Ti site, Ti(4) is bonded to one O(10), one O(3), one O(4), one O(5), one O(8), and one O(9) atom to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 42-61°. In the fifth Ti site, Ti(5) is bonded to one O(10), one O(6), one O(8), one O(9), and two equivalent O(11) atoms to form a mixture of distorted face, corner, and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 42-56°. In the sixth Ti site, Ti(6) is bonded to one O(11), one O(7), one O(8), one O(9), and two equivalent O(10) atoms to form a mixture of distorted face, corner, and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 43-56°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(2) and two equivalent Ti(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(2), and one Ti(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Ti(4) and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(2), and one Ti(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(3), and one Ti(4) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Ti(1), one Ti(3), and one Ti(5) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Ti(2), one Ti(3), and one Ti(6) atom. In the eighth O site, O(8) is bonded to one Ti(3), one Ti(4), one Ti(5), and one Ti(6) atom to form distorted edge-sharing OTi4 trigonal pyramids. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Ti(4), one Ti(5), and one Ti(6) atom. In the tenth O site, O(10) is bonded to one Ti(4), one Ti(5), and two equivalent Ti(6) atoms to form a mixture of distorted corner and edge-sharing OTi4 trigonal pyramids. In the eleventh O site, O(11) is bonded to one Ti(3), one Ti(6), and two equivalent Ti(5) atoms to form a mixture of distorted corner and edge-sharing OTi4 trigonal pyramids. is represented by the CIF card [CIF]
data_Ti6O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.564
_cell_length_b   7.128
_cell_length_c   9.736
_cell_angle_alpha   89.909
_cell_angle_beta   100.530
_cell_angle_gamma   108.495
_symmetry_Int_Tables_number   1
_cell_volume   359.376
_cell_formula_units_Z   2
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
  Ti  Ti0  1  0.232  0.641  0.085  1.0
  Ti  Ti1  1  0.768  0.359  0.915  1.0
  Ti  Ti2  1  0.226  0.137  0.082  1.0
  Ti  Ti3  1  0.774  0.863  0.918  1.0
  Ti  Ti4  1  0.690  0.429  0.256  1.0
  Ti  Ti5  1  0.310  0.571  0.744  1.0
  Ti  Ti6  1  0.691  0.927  0.259  1.0
  Ti  Ti7  1  0.309  0.073  0.741  1.0
  Ti  Ti8  1  0.187  0.697  0.438  1.0
  Ti  Ti9  1  0.813  0.303  0.562  1.0
  Ti  Ti10  1  0.176  0.194  0.431  1.0
  Ti  Ti11  1  0.824  0.806  0.569  1.0
  O  O12  1  0.098  0.359  0.026  1.0
  O  O13  1  0.902  0.641  0.974  1.0
  O  O14  1  0.595  0.300  0.076  1.0
  O  O15  1  0.405  0.700  0.924  1.0
  O  O16  1  0.877  0.984  0.110  1.0
  O  O17  1  0.123  0.016  0.890  1.0
  O  O18  1  0.360  0.921  0.153  1.0
  O  O19  1  0.640  0.079  0.847  1.0
  O  O20  1  0.563  0.641  0.203  1.0
  O  O21  1  0.437  0.359  0.797  1.0
  O  O22  1  0.055  0.573  0.257  1.0
  O  O23  1  0.945  0.427  0.743  1.0
  O  O24  1  0.343  0.263  0.283  1.0
  O  O25  1  0.657  0.737  0.717  1.0
  O  O26  1  0.815  0.205  0.356  1.0
  O  O27  1  0.185  0.795  0.644  1.0
  O  O28  1  0.471  0.172  0.566  1.0
  O  O29  1  0.014  0.903  0.392  1.0
  O  O30  1  0.529  0.828  0.434  1.0
  O  O31  1  0.789  0.543  0.466  1.0
  O  O32  1  0.211  0.457  0.534  1.0
  O  O33  1  0.986  0.097  0.608  1.0
[/CIF]
.
The material described by Ti6O11 crystallizes in the triclinic P-1 space group. There are six inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(1) atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(4), one O(7), and two equivalent O(3) atoms to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 42-53°. In the third Ti site, Ti(3) is bonded to one O(11), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 43-61°. In the fourth Ti site, Ti(4) is bonded to one O(10), one O(3), one O(4), one O(5), one O(8), and one O(9) atom to form a mixture of corner and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 42-61°. In the fifth Ti site, Ti(5) is bonded to one O(10), one O(6), one O(8), one O(9), and two equivalent O(11) atoms to form a mixture of distorted face, corner, and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 42-56°. In the sixth Ti site, Ti(6) is bonded to one O(11), one O(7), one O(8), one O(9), and two equivalent O(10) atoms to form a mixture of distorted face, corner, and edge-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 43-56°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(2) and two equivalent Ti(1) atoms. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(2), and one Ti(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Ti(4) and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(2), and one Ti(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Ti(1), one Ti(3), and one Ti(4) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Ti(1), one Ti(3), and one Ti(5) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Ti(2), one Ti(3), and one Ti(6) atom. In the eighth O site, O(8) is bonded to one Ti(3), one Ti(4), one Ti(5), and one Ti(6) atom to form distorted edge-sharing OTi4 trigonal pyramids. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Ti(4), one Ti(5), and one Ti(6) atom. In the tenth O site, O(10) is bonded to one Ti(4), one Ti(5), and two equivalent Ti(6) atoms to form a mixture of distorted corner and edge-sharing OTi4 trigonal pyramids. In the eleventh O site, O(11) is bonded to one Ti(3), one Ti(6), and two equivalent Ti(5) atoms to form a mixture of distorted corner and edge-sharing OTi4 trigonal pyramids. is represented by the CIF card [CIF]
data_Ti6O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.564
_cell_length_b   7.128
_cell_length_c   9.736
_cell_angle_alpha   89.909
_cell_angle_beta   100.530
_cell_angle_gamma   108.495
_symmetry_Int_Tables_number   1
_cell_volume   359.376
_cell_formula_units_Z   2
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
  Ti  Ti0  1  0.232  0.641  0.085  1.0
  Ti  Ti1  1  0.768  0.359  0.915  1.0
  Ti  Ti2  1  0.226  0.137  0.082  1.0
  Ti  Ti3  1  0.774  0.863  0.918  1.0
  Ti  Ti4  1  0.690  0.429  0.256  1.0
  Ti  Ti5  1  0.310  0.571  0.744  1.0
  Ti  Ti6  1  0.691  0.927  0.259  1.0
  Ti  Ti7  1  0.309  0.073  0.741  1.0
  Ti  Ti8  1  0.187  0.697  0.438  1.0
  Ti  Ti9  1  0.813  0.303  0.562  1.0
  Ti  Ti10  1  0.176  0.194  0.431  1.0
  Ti  Ti11  1  0.824  0.806  0.569  1.0
  O  O12  1  0.098  0.359  0.026  1.0
  O  O13  1  0.902  0.641  0.974  1.0
  O  O14  1  0.595  0.300  0.076  1.0
  O  O15  1  0.405  0.700  0.924  1.0
  O  O16  1  0.877  0.984  0.110  1.0
  O  O17  1  0.123  0.016  0.890  1.0
  O  O18  1  0.360  0.921  0.153  1.0
  O  O19  1  0.640  0.079  0.847  1.0
  O  O20  1  0.563  0.641  0.203  1.0
  O  O21  1  0.437  0.359  0.797  1.0
  O  O22  1  0.055  0.573  0.257  1.0
  O  O23  1  0.945  0.427  0.743  1.0
  O  O24  1  0.343  0.263  0.283  1.0
  O  O25  1  0.657  0.737  0.717  1.0
  O  O26  1  0.815  0.205  0.356  1.0
  O  O27  1  0.185  0.795  0.644  1.0
  O  O28  1  0.471  0.172  0.566  1.0
  O  O29  1  0.014  0.903  0.392  1.0
  O  O30  1  0.529  0.828  0.434  1.0
  O  O31  1  0.789  0.543  0.466  1.0
  O  O32  1  0.211  0.457  0.534  1.0
  O  O33  1  0.986  0.097  0.608  1.0
[/CIF]
.