The material structure described by Ti13Al4Si2(SbO14)2 is Aluminum carbonitride-derived structured and crystallizes in the monoclinic C2/m space group. There are five inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(2), one O(7), one O(8), and two equivalent O(1) atoms to form TiO5 trigonal bipyramids that share  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Ti(2)O5 trigonal bipyramids, corners with three equivalent Al(1)O5 trigonal bipyramids,  an edgeedge with one Ti(1)O5 trigonal bipyramid,  an edgeedge with one Ti(2)O5 trigonal bipyramid, and  an edgeedge with one Al(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-67°. In the second Ti site, Ti(2) is bonded to one O(1), one O(3), one O(6), and two equivalent O(7) atoms to form TiO5 trigonal bipyramids that share  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Ti(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with three equivalent Si(1)O4 tetrahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid,  a cornercorner with one Al(1)O5 trigonal bipyramid, corners with two equivalent Ti(1)O5 trigonal bipyramids,  an edgeedge with one Ti(1)O5 trigonal bipyramid, and  an edgeedge with one Ti(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-67°. In the third Ti site, Ti(3) is bonded to two equivalent O(8) and four equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O5 trigonal bipyramids, corners with four equivalent Al(1)O5 trigonal bipyramids,  an edgeedge with one Ti(5)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with three equivalent Sb(1)O6 octahedra. In the fourth Ti site, Ti(4) is bonded to two equivalent O(4) and four equivalent O(6) atoms to form TiO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with four equivalent Ti(2)O5 trigonal bipyramids, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Ti(5)O6 octahedra. In the fifth Ti site, Ti(5) is bonded to two equivalent O(4), two equivalent O(6), and two equivalent O(8) atoms to form TiO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Ti(1)O5 trigonal bipyramids, corners with two equivalent Ti(2)O5 trigonal bipyramids,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Ti(5)O6 octahedra, edges with two equivalent Ti(4)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. Al(1) is bonded to one O(1), one O(5), and three equivalent O(2) atoms to form distorted AlO5 trigonal bipyramids that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid, corners with two equivalent Al(1)O5 trigonal bipyramids, corners with three equivalent Ti(1)O5 trigonal bipyramids,  an edgeedge with one Ti(1)O5 trigonal bipyramid, and edges with two equivalent Al(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 56-69°. Si(1) is bonded to one O(3), one O(4), and two equivalent O(7) atoms to form SiO4 tetrahedra that share  a cornercorner with one Ti(4)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Ti(1)O5 trigonal bipyramids, and corners with six equivalent Ti(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 59-66°. Sb(1) is bonded to two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms to form distorted SbO6 octahedra that share corners with two equivalent Ti(1)O5 trigonal bipyramids, corners with two equivalent Ti(2)O5 trigonal bipyramids, corners with two equivalent Al(1)O5 trigonal bipyramids,  an edgeedge with one Ti(4)O6 octahedra, edges with two equivalent Ti(5)O6 octahedra, and edges with three equivalent Ti(3)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ti(2), two equivalent Ti(1), and one Al(1) atom. In the second O site, O(2) is bonded to one Ti(1) and three equivalent Al(1) atoms to form distorted OTiAl3 trigonal pyramids that share  a cornercorner with one O(8)Ti3Sb trigonal pyramid, corners with two equivalent O(2)TiAl3 trigonal pyramids, and edges with two equivalent O(2)TiAl3 trigonal pyramids. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent Ti(2) and one Si(1) atom. In the fourth O site, O(4) is bonded to one Ti(4), two equivalent Ti(5), and one Si(1) atom to form distorted OTi3Si tetrahedra that share  a cornercorner with one O(4)Ti3Si tetrahedra, corners with four equivalent O(6)Ti3Sb tetrahedra, corners with four equivalent O(8)Ti3Sb trigonal pyramids,  an edgeedge with one O(4)Ti3Si tetrahedra, and edges with two equivalent O(6)Ti3Sb tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ti(3), one Al(1), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Ti(2), one Ti(4), one Ti(5), and one Sb(1) atom to form distorted OTi3Sb tetrahedra that share corners with two equivalent O(4)Ti3Si tetrahedra, corners with three equivalent O(6)Ti3Sb tetrahedra, corners with two equivalent O(8)Ti3Sb trigonal pyramids,  an edgeedge with one O(6)Ti3Sb tetrahedra,  an edgeedge with one O(4)Ti3Si tetrahedra, and  an edgeedge with one O(8)Ti3Sb trigonal pyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ti(1), two equivalent Ti(2), and one Si(1) atom. In the eighth O site, O(8) is bonded to one Ti(1), one Ti(3), one Ti(5), and one Sb(1) atom to form distorted OTi3Sb trigonal pyramids that share corners with two equivalent O(6)Ti3Sb tetrahedra, corners with two equivalent O(4)Ti3Si tetrahedra,  a cornercorner with one O(8)Ti3Sb trigonal pyramid,  a cornercorner with one O(2)TiAl3 trigonal pyramid,  an edgeedge with one O(6)Ti3Sb tetrahedra, and  an edgeedge with one O(8)Ti3Sb trigonal pyramid. is represented by the CIF file [CIF]
data_Ti13Al4Si2(SbO14)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.286
_cell_length_b   12.286
_cell_length_c   8.646
_cell_angle_alpha   87.495
_cell_angle_beta   87.495
_cell_angle_gamma   153.949
_symmetry_Int_Tables_number   1
_cell_volume   562.296
_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
  Ti  Ti0  1  0.911  0.639  0.623  1.0
  Ti  Ti1  1  0.662  0.819  0.375  1.0
  Ti  Ti2  1  0.361  0.089  0.377  1.0
  Ti  Ti3  1  0.089  0.361  0.377  1.0
  Ti  Ti4  1  0.338  0.181  0.625  1.0
  Ti  Ti5  1  0.287  0.713  0.000  1.0
  Ti  Ti6  1  0.181  0.338  0.625  1.0
  Ti  Ti7  1  0.000  0.000  0.000  1.0
  Ti  Ti8  1  0.428  0.572  0.000  1.0
  Ti  Ti9  1  0.819  0.662  0.375  1.0
  Ti  Ti10  1  0.639  0.911  0.623  1.0
  Ti  Ti11  1  0.572  0.428  0.000  1.0
  Ti  Ti12  1  0.713  0.287  0.000  1.0
  Al  Al13  1  0.076  0.516  0.658  1.0
  Al  Al14  1  0.484  0.924  0.342  1.0
  Al  Al15  1  0.924  0.484  0.342  1.0
  Al  Al16  1  0.516  0.076  0.658  1.0
  Si  Si17  1  0.222  0.222  0.320  1.0
  Si  Si18  1  0.778  0.778  0.680  1.0
  Sb  Sb19  1  0.862  0.138  0.000  1.0
  Sb  Sb20  1  0.138  0.862  0.000  1.0
  O  O21  1  0.711  0.027  0.372  1.0
  O  O22  1  0.154  0.593  0.386  1.0
  O  O23  1  0.921  0.921  0.361  1.0
  O  O24  1  0.305  0.305  0.125  1.0
  O  O25  1  0.846  0.407  0.614  1.0
  O  O26  1  0.289  0.973  0.628  1.0
  O  O27  1  0.985  0.536  0.127  1.0
  O  O28  1  0.015  0.464  0.873  1.0
  O  O29  1  0.695  0.695  0.875  1.0
  O  O30  1  0.136  0.277  0.877  1.0
  O  O31  1  0.306  0.415  0.382  1.0
  O  O32  1  0.973  0.289  0.628  1.0
  O  O33  1  0.464  0.015  0.873  1.0
  O  O34  1  0.723  0.864  0.123  1.0
  O  O35  1  0.585  0.694  0.618  1.0
  O  O36  1  0.079  0.079  0.639  1.0
  O  O37  1  0.277  0.136  0.877  1.0
  O  O38  1  0.864  0.723  0.123  1.0
  O  O39  1  0.536  0.985  0.127  1.0
  O  O40  1  0.193  0.471  0.129  1.0
  O  O41  1  0.807  0.529  0.871  1.0
  O  O42  1  0.415  0.306  0.382  1.0
  O  O43  1  0.471  0.193  0.129  1.0
  O  O44  1  0.593  0.154  0.386  1.0
  O  O45  1  0.694  0.585  0.618  1.0
  O  O46  1  0.529  0.807  0.871  1.0
  O  O47  1  0.027  0.711  0.372  1.0
  O  O48  1  0.407  0.846  0.614  1.0
[/CIF]
.
The material structure described by Ti13Al4Si2(SbO14)2 is Aluminum carbonitride-derived structured and crystallizes in the monoclinic C2/m space group. There are five inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(2), one O(7), one O(8), and two equivalent O(1) atoms to form TiO5 trigonal bipyramids that share  a cornercorner with one Ti(3)O6 octahedra,  a cornercorner with one Ti(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Ti(2)O5 trigonal bipyramids, corners with three equivalent Al(1)O5 trigonal bipyramids,  an edgeedge with one Ti(1)O5 trigonal bipyramid,  an edgeedge with one Ti(2)O5 trigonal bipyramid, and  an edgeedge with one Al(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-67°. In the second Ti site, Ti(2) is bonded to one O(1), one O(3), one O(6), and two equivalent O(7) atoms to form TiO5 trigonal bipyramids that share  a cornercorner with one Ti(4)O6 octahedra,  a cornercorner with one Ti(5)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with three equivalent Si(1)O4 tetrahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid,  a cornercorner with one Al(1)O5 trigonal bipyramid, corners with two equivalent Ti(1)O5 trigonal bipyramids,  an edgeedge with one Ti(1)O5 trigonal bipyramid, and  an edgeedge with one Ti(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-67°. In the third Ti site, Ti(3) is bonded to two equivalent O(8) and four equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O5 trigonal bipyramids, corners with four equivalent Al(1)O5 trigonal bipyramids,  an edgeedge with one Ti(5)O6 octahedra, edges with two equivalent Ti(3)O6 octahedra, and edges with three equivalent Sb(1)O6 octahedra. In the fourth Ti site, Ti(4) is bonded to two equivalent O(4) and four equivalent O(6) atoms to form TiO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with four equivalent Ti(2)O5 trigonal bipyramids, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Ti(5)O6 octahedra. In the fifth Ti site, Ti(5) is bonded to two equivalent O(4), two equivalent O(6), and two equivalent O(8) atoms to form TiO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Ti(1)O5 trigonal bipyramids, corners with two equivalent Ti(2)O5 trigonal bipyramids,  an edgeedge with one Ti(3)O6 octahedra,  an edgeedge with one Ti(5)O6 octahedra, edges with two equivalent Ti(4)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. Al(1) is bonded to one O(1), one O(5), and three equivalent O(2) atoms to form distorted AlO5 trigonal bipyramids that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra,  a cornercorner with one Ti(2)O5 trigonal bipyramid, corners with two equivalent Al(1)O5 trigonal bipyramids, corners with three equivalent Ti(1)O5 trigonal bipyramids,  an edgeedge with one Ti(1)O5 trigonal bipyramid, and edges with two equivalent Al(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 56-69°. Si(1) is bonded to one O(3), one O(4), and two equivalent O(7) atoms to form SiO4 tetrahedra that share  a cornercorner with one Ti(4)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Ti(1)O5 trigonal bipyramids, and corners with six equivalent Ti(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 59-66°. Sb(1) is bonded to two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms to form distorted SbO6 octahedra that share corners with two equivalent Ti(1)O5 trigonal bipyramids, corners with two equivalent Ti(2)O5 trigonal bipyramids, corners with two equivalent Al(1)O5 trigonal bipyramids,  an edgeedge with one Ti(4)O6 octahedra, edges with two equivalent Ti(5)O6 octahedra, and edges with three equivalent Ti(3)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ti(2), two equivalent Ti(1), and one Al(1) atom. In the second O site, O(2) is bonded to one Ti(1) and three equivalent Al(1) atoms to form distorted OTiAl3 trigonal pyramids that share  a cornercorner with one O(8)Ti3Sb trigonal pyramid, corners with two equivalent O(2)TiAl3 trigonal pyramids, and edges with two equivalent O(2)TiAl3 trigonal pyramids. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent Ti(2) and one Si(1) atom. In the fourth O site, O(4) is bonded to one Ti(4), two equivalent Ti(5), and one Si(1) atom to form distorted OTi3Si tetrahedra that share  a cornercorner with one O(4)Ti3Si tetrahedra, corners with four equivalent O(6)Ti3Sb tetrahedra, corners with four equivalent O(8)Ti3Sb trigonal pyramids,  an edgeedge with one O(4)Ti3Si tetrahedra, and edges with two equivalent O(6)Ti3Sb tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ti(3), one Al(1), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Ti(2), one Ti(4), one Ti(5), and one Sb(1) atom to form distorted OTi3Sb tetrahedra that share corners with two equivalent O(4)Ti3Si tetrahedra, corners with three equivalent O(6)Ti3Sb tetrahedra, corners with two equivalent O(8)Ti3Sb trigonal pyramids,  an edgeedge with one O(6)Ti3Sb tetrahedra,  an edgeedge with one O(4)Ti3Si tetrahedra, and  an edgeedge with one O(8)Ti3Sb trigonal pyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ti(1), two equivalent Ti(2), and one Si(1) atom. In the eighth O site, O(8) is bonded to one Ti(1), one Ti(3), one Ti(5), and one Sb(1) atom to form distorted OTi3Sb trigonal pyramids that share corners with two equivalent O(6)Ti3Sb tetrahedra, corners with two equivalent O(4)Ti3Si tetrahedra,  a cornercorner with one O(8)Ti3Sb trigonal pyramid,  a cornercorner with one O(2)TiAl3 trigonal pyramid,  an edgeedge with one O(6)Ti3Sb tetrahedra, and  an edgeedge with one O(8)Ti3Sb trigonal pyramid. is represented by the CIF file [CIF]
data_Ti13Al4Si2(SbO14)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.286
_cell_length_b   12.286
_cell_length_c   8.646
_cell_angle_alpha   87.495
_cell_angle_beta   87.495
_cell_angle_gamma   153.949
_symmetry_Int_Tables_number   1
_cell_volume   562.296
_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
  Ti  Ti0  1  0.911  0.639  0.623  1.0
  Ti  Ti1  1  0.662  0.819  0.375  1.0
  Ti  Ti2  1  0.361  0.089  0.377  1.0
  Ti  Ti3  1  0.089  0.361  0.377  1.0
  Ti  Ti4  1  0.338  0.181  0.625  1.0
  Ti  Ti5  1  0.287  0.713  0.000  1.0
  Ti  Ti6  1  0.181  0.338  0.625  1.0
  Ti  Ti7  1  0.000  0.000  0.000  1.0
  Ti  Ti8  1  0.428  0.572  0.000  1.0
  Ti  Ti9  1  0.819  0.662  0.375  1.0
  Ti  Ti10  1  0.639  0.911  0.623  1.0
  Ti  Ti11  1  0.572  0.428  0.000  1.0
  Ti  Ti12  1  0.713  0.287  0.000  1.0
  Al  Al13  1  0.076  0.516  0.658  1.0
  Al  Al14  1  0.484  0.924  0.342  1.0
  Al  Al15  1  0.924  0.484  0.342  1.0
  Al  Al16  1  0.516  0.076  0.658  1.0
  Si  Si17  1  0.222  0.222  0.320  1.0
  Si  Si18  1  0.778  0.778  0.680  1.0
  Sb  Sb19  1  0.862  0.138  0.000  1.0
  Sb  Sb20  1  0.138  0.862  0.000  1.0
  O  O21  1  0.711  0.027  0.372  1.0
  O  O22  1  0.154  0.593  0.386  1.0
  O  O23  1  0.921  0.921  0.361  1.0
  O  O24  1  0.305  0.305  0.125  1.0
  O  O25  1  0.846  0.407  0.614  1.0
  O  O26  1  0.289  0.973  0.628  1.0
  O  O27  1  0.985  0.536  0.127  1.0
  O  O28  1  0.015  0.464  0.873  1.0
  O  O29  1  0.695  0.695  0.875  1.0
  O  O30  1  0.136  0.277  0.877  1.0
  O  O31  1  0.306  0.415  0.382  1.0
  O  O32  1  0.973  0.289  0.628  1.0
  O  O33  1  0.464  0.015  0.873  1.0
  O  O34  1  0.723  0.864  0.123  1.0
  O  O35  1  0.585  0.694  0.618  1.0
  O  O36  1  0.079  0.079  0.639  1.0
  O  O37  1  0.277  0.136  0.877  1.0
  O  O38  1  0.864  0.723  0.123  1.0
  O  O39  1  0.536  0.985  0.127  1.0
  O  O40  1  0.193  0.471  0.129  1.0
  O  O41  1  0.807  0.529  0.871  1.0
  O  O42  1  0.415  0.306  0.382  1.0
  O  O43  1  0.471  0.193  0.129  1.0
  O  O44  1  0.593  0.154  0.386  1.0
  O  O45  1  0.694  0.585  0.618  1.0
  O  O46  1  0.529  0.807  0.871  1.0
  O  O47  1  0.027  0.711  0.372  1.0
  O  O48  1  0.407  0.846  0.614  1.0
[/CIF]
.