The crystal structure described by TaIn3O7 crystallizes in the triclinic P-1 space group. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms to form TaO6 octahedra that share corners with two equivalent Ta(2)O6 octahedra, corners with two equivalent In(3)O7 pentagonal bipyramids, and edges with two equivalent In(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 32°. In the second Ta site, Ta(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form TaO6 octahedra that share corners with two equivalent Ta(1)O6 octahedra, corners with two equivalent In(3)O7 pentagonal bipyramids, and edges with two equivalent In(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 32°. There are three inequivalent In sites. In the first In site, In(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(7), two equivalent O(2), and two equivalent O(6) atoms. In the second In site, In(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(6), two equivalent O(4), and two equivalent O(7) atoms. In the third In site, In(3) is bonded to one O(5), one O(6), one O(7), two equivalent O(1), and two equivalent O(3) atoms to form distorted InO7 pentagonal bipyramids that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra,  an edgeedge with one Ta(1)O6 octahedra,  an edgeedge with one Ta(2)O6 octahedra, and edges with two equivalent In(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 44-49°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Ta(2), one In(2), and two equivalent In(3) atoms to form distorted OTaIn3 trigonal pyramids that share  a cornercorner with one O(6)In4 tetrahedra, corners with two equivalent O(7)In4 tetrahedra, corners with two equivalent O(4)TaIn3 tetrahedra, corners with four equivalent O(3)TaIn3 tetrahedra,  a cornercorner with one O(1)TaIn3 trigonal pyramid,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(4)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ta(1), one In(2), and two equivalent In(1) atoms. In the third O site, O(3) is bonded to one Ta(1), one In(1), and two equivalent In(3) atoms to form distorted OTaIn3 tetrahedra that share  a cornercorner with one O(7)In4 tetrahedra,  a cornercorner with one O(3)TaIn3 tetrahedra,  a cornercorner with one O(4)TaIn3 tetrahedra, corners with two equivalent O(6)In4 tetrahedra, corners with four equivalent O(1)TaIn3 trigonal pyramids,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra, and  an edgeedge with one O(3)TaIn3 tetrahedra. In the fourth O site, O(4) is bonded to one Ta(2), one In(1), and two equivalent In(2) atoms to form distorted OTaIn3 tetrahedra that share  a cornercorner with one O(3)TaIn3 tetrahedra,  a cornercorner with one O(4)TaIn3 tetrahedra, corners with three equivalent O(7)In4 tetrahedra, corners with four equivalent O(6)In4 tetrahedra, corners with two equivalent O(1)TaIn3 trigonal pyramids,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(4)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ta(1), one Ta(2), and one In(3) atom. In the sixth O site, O(6) is bonded to one In(2), one In(3), and two equivalent In(1) atoms to form OIn4 tetrahedra that share corners with two equivalent O(3)TaIn3 tetrahedra, corners with three equivalent O(7)In4 tetrahedra, corners with four equivalent O(4)TaIn3 tetrahedra,  a cornercorner with one O(1)TaIn3 trigonal pyramid,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(3)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. In the seventh O site, O(7) is bonded to one In(1), one In(3), and two equivalent In(2) atoms to form OIn4 tetrahedra that share  a cornercorner with one O(3)TaIn3 tetrahedra, corners with three equivalent O(6)In4 tetrahedra, corners with three equivalent O(4)TaIn3 tetrahedra, corners with two equivalent O(1)TaIn3 trigonal pyramids,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(3)TaIn3 tetrahedra,  an edgeedge with one O(4)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. is represented by the CIF card [CIF]
data_TaIn3O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.293
_cell_length_b   6.314
_cell_length_c   7.492
_cell_angle_alpha   106.857
_cell_angle_beta   89.773
_cell_angle_gamma   98.129
_symmetry_Int_Tables_number   1
_cell_volume   281.791
_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
  Ta  Ta0  1  0.000  0.000  0.000  1.0
  Ta  Ta1  1  0.000  0.000  0.500  1.0
  In  In2  1  0.734  0.468  0.117  1.0
  In  In3  1  0.738  0.457  0.613  1.0
  In  In4  1  0.530  0.993  0.753  1.0
  In  In5  1  0.470  0.007  0.247  1.0
  In  In6  1  0.262  0.543  0.387  1.0
  In  In7  1  0.266  0.532  0.883  1.0
  O  O8  1  0.707  0.058  0.479  1.0
  O  O9  1  0.905  0.672  0.955  1.0
  O  O10  1  0.708  0.083  0.051  1.0
  O  O11  1  0.933  0.645  0.388  1.0
  O  O12  1  0.919  0.953  0.737  1.0
  O  O13  1  0.556  0.341  0.834  1.0
  O  O14  1  0.526  0.356  0.338  1.0
  O  O15  1  0.474  0.644  0.662  1.0
  O  O16  1  0.444  0.659  0.166  1.0
  O  O17  1  0.081  0.047  0.263  1.0
  O  O18  1  0.067  0.355  0.612  1.0
  O  O19  1  0.292  0.917  0.949  1.0
  O  O20  1  0.095  0.328  0.045  1.0
  O  O21  1  0.293  0.942  0.521  1.0
[/CIF]
.
The crystal structure described by TaIn3O7 crystallizes in the triclinic P-1 space group. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms to form TaO6 octahedra that share corners with two equivalent Ta(2)O6 octahedra, corners with two equivalent In(3)O7 pentagonal bipyramids, and edges with two equivalent In(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 32°. In the second Ta site, Ta(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form TaO6 octahedra that share corners with two equivalent Ta(1)O6 octahedra, corners with two equivalent In(3)O7 pentagonal bipyramids, and edges with two equivalent In(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 32°. There are three inequivalent In sites. In the first In site, In(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(7), two equivalent O(2), and two equivalent O(6) atoms. In the second In site, In(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(6), two equivalent O(4), and two equivalent O(7) atoms. In the third In site, In(3) is bonded to one O(5), one O(6), one O(7), two equivalent O(1), and two equivalent O(3) atoms to form distorted InO7 pentagonal bipyramids that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra,  an edgeedge with one Ta(1)O6 octahedra,  an edgeedge with one Ta(2)O6 octahedra, and edges with two equivalent In(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 44-49°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Ta(2), one In(2), and two equivalent In(3) atoms to form distorted OTaIn3 trigonal pyramids that share  a cornercorner with one O(6)In4 tetrahedra, corners with two equivalent O(7)In4 tetrahedra, corners with two equivalent O(4)TaIn3 tetrahedra, corners with four equivalent O(3)TaIn3 tetrahedra,  a cornercorner with one O(1)TaIn3 trigonal pyramid,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(4)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ta(1), one In(2), and two equivalent In(1) atoms. In the third O site, O(3) is bonded to one Ta(1), one In(1), and two equivalent In(3) atoms to form distorted OTaIn3 tetrahedra that share  a cornercorner with one O(7)In4 tetrahedra,  a cornercorner with one O(3)TaIn3 tetrahedra,  a cornercorner with one O(4)TaIn3 tetrahedra, corners with two equivalent O(6)In4 tetrahedra, corners with four equivalent O(1)TaIn3 trigonal pyramids,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra, and  an edgeedge with one O(3)TaIn3 tetrahedra. In the fourth O site, O(4) is bonded to one Ta(2), one In(1), and two equivalent In(2) atoms to form distorted OTaIn3 tetrahedra that share  a cornercorner with one O(3)TaIn3 tetrahedra,  a cornercorner with one O(4)TaIn3 tetrahedra, corners with three equivalent O(7)In4 tetrahedra, corners with four equivalent O(6)In4 tetrahedra, corners with two equivalent O(1)TaIn3 trigonal pyramids,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(4)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ta(1), one Ta(2), and one In(3) atom. In the sixth O site, O(6) is bonded to one In(2), one In(3), and two equivalent In(1) atoms to form OIn4 tetrahedra that share corners with two equivalent O(3)TaIn3 tetrahedra, corners with three equivalent O(7)In4 tetrahedra, corners with four equivalent O(4)TaIn3 tetrahedra,  a cornercorner with one O(1)TaIn3 trigonal pyramid,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(3)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. In the seventh O site, O(7) is bonded to one In(1), one In(3), and two equivalent In(2) atoms to form OIn4 tetrahedra that share  a cornercorner with one O(3)TaIn3 tetrahedra, corners with three equivalent O(6)In4 tetrahedra, corners with three equivalent O(4)TaIn3 tetrahedra, corners with two equivalent O(1)TaIn3 trigonal pyramids,  an edgeedge with one O(6)In4 tetrahedra,  an edgeedge with one O(7)In4 tetrahedra,  an edgeedge with one O(3)TaIn3 tetrahedra,  an edgeedge with one O(4)TaIn3 tetrahedra, and  an edgeedge with one O(1)TaIn3 trigonal pyramid. is represented by the CIF card [CIF]
data_TaIn3O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.293
_cell_length_b   6.314
_cell_length_c   7.492
_cell_angle_alpha   106.857
_cell_angle_beta   89.773
_cell_angle_gamma   98.129
_symmetry_Int_Tables_number   1
_cell_volume   281.791
_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
  Ta  Ta0  1  0.000  0.000  0.000  1.0
  Ta  Ta1  1  0.000  0.000  0.500  1.0
  In  In2  1  0.734  0.468  0.117  1.0
  In  In3  1  0.738  0.457  0.613  1.0
  In  In4  1  0.530  0.993  0.753  1.0
  In  In5  1  0.470  0.007  0.247  1.0
  In  In6  1  0.262  0.543  0.387  1.0
  In  In7  1  0.266  0.532  0.883  1.0
  O  O8  1  0.707  0.058  0.479  1.0
  O  O9  1  0.905  0.672  0.955  1.0
  O  O10  1  0.708  0.083  0.051  1.0
  O  O11  1  0.933  0.645  0.388  1.0
  O  O12  1  0.919  0.953  0.737  1.0
  O  O13  1  0.556  0.341  0.834  1.0
  O  O14  1  0.526  0.356  0.338  1.0
  O  O15  1  0.474  0.644  0.662  1.0
  O  O16  1  0.444  0.659  0.166  1.0
  O  O17  1  0.081  0.047  0.263  1.0
  O  O18  1  0.067  0.355  0.612  1.0
  O  O19  1  0.292  0.917  0.949  1.0
  O  O20  1  0.095  0.328  0.045  1.0
  O  O21  1  0.293  0.942  0.521  1.0
[/CIF]
.