The structure described by Ti2Mn3Te3O16 crystallizes in the monoclinic Cm space group. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded in a 6-coordinate geometry to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms. In the second Ti site, Ti(2) is bonded to one O(12), two equivalent O(11), and two equivalent O(9) atoms to form distorted TiO5 square pyramids that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Te(1)O6 octahedra,  an edgeedge with one Te(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form distorted MnO6 octahedra that share corners with two equivalent Ti(2)O5 square pyramids and edges with four equivalent Te(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form distorted MnO6 octahedra that share edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Te(2)O6 octahedra, and  an edgeedge with one Ti(2)O5 square pyramid. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form TeO6 octahedra that share  a cornercorner with one Ti(2)O5 square pyramid, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. In the second Te site, Te(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form TeO6 octahedra that share edges with four equivalent Mn(2)O6 octahedra and  an edgeedge with one Ti(2)O5 square pyramid. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(1), one Mn(2), and one Te(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ti(1) and two equivalent Te(1) atoms. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Te(1) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1) and two equivalent Te(1) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to two equivalent Mn(2) and one Te(2) atom. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Ti(1), one Mn(1), and one Te(1) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to two equivalent Te(1) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Ti(1) and two equivalent Mn(2) atoms. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Ti(2), one Mn(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to two equivalent Mn(2) and one Te(2) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Ti(2), one Mn(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Ti(2) and two equivalent Mn(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ti2Mn3Te3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.400
_cell_length_b   6.400
_cell_length_c   9.340
_cell_angle_alpha   86.633
_cell_angle_beta   86.633
_cell_angle_gamma   57.589
_symmetry_Int_Tables_number   1
_cell_volume   322.284
_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  0.678  0.678  0.490  1.0
  Ti  Ti1  1  0.363  0.363  0.035  1.0
  Mn  Mn2  1  0.823  0.823  0.797  1.0
  Mn  Mn3  1  0.176  0.676  0.306  1.0
  Mn  Mn4  1  0.676  0.176  0.306  1.0
  Te  Te5  1  0.326  0.825  0.783  1.0
  Te  Te6  1  0.825  0.326  0.783  1.0
  Te  Te7  1  0.177  0.177  0.284  1.0
  O  O8  1  0.360  0.850  0.399  1.0
  O  O9  1  0.517  0.517  0.661  1.0
  O  O10  1  0.637  0.637  0.901  1.0
  O  O11  1  0.005  0.005  0.676  1.0
  O  O12  1  0.024  0.024  0.202  1.0
  O  O13  1  0.850  0.360  0.399  1.0
  O  O14  1  0.498  0.939  0.662  1.0
  O  O15  1  0.939  0.498  0.662  1.0
  O  O16  1  0.144  0.144  0.889  1.0
  O  O17  1  0.826  0.826  0.415  1.0
  O  O18  1  0.056  0.464  0.148  1.0
  O  O19  1  0.464  0.056  0.148  1.0
  O  O20  1  0.315  0.315  0.398  1.0
  O  O21  1  0.182  0.664  0.894  1.0
  O  O22  1  0.477  0.477  0.152  1.0
  O  O23  1  0.664  0.182  0.894  1.0
[/CIF]
.
The structure described by Ti2Mn3Te3O16 crystallizes in the monoclinic Cm space group. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded in a 6-coordinate geometry to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms. In the second Ti site, Ti(2) is bonded to one O(12), two equivalent O(11), and two equivalent O(9) atoms to form distorted TiO5 square pyramids that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Te(1)O6 octahedra,  an edgeedge with one Te(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form distorted MnO6 octahedra that share corners with two equivalent Ti(2)O5 square pyramids and edges with four equivalent Te(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form distorted MnO6 octahedra that share edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Te(2)O6 octahedra, and  an edgeedge with one Ti(2)O5 square pyramid. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form TeO6 octahedra that share  a cornercorner with one Ti(2)O5 square pyramid, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. In the second Te site, Te(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form TeO6 octahedra that share edges with four equivalent Mn(2)O6 octahedra and  an edgeedge with one Ti(2)O5 square pyramid. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(1), one Mn(2), and one Te(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ti(1) and two equivalent Te(1) atoms. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Te(1) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1) and two equivalent Te(1) atoms. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to two equivalent Mn(2) and one Te(2) atom. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to one Ti(1), one Mn(1), and one Te(1) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to two equivalent Te(1) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Ti(1) and two equivalent Mn(2) atoms. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Ti(2), one Mn(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to two equivalent Mn(2) and one Te(2) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Ti(2), one Mn(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Ti(2) and two equivalent Mn(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ti2Mn3Te3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.400
_cell_length_b   6.400
_cell_length_c   9.340
_cell_angle_alpha   86.633
_cell_angle_beta   86.633
_cell_angle_gamma   57.589
_symmetry_Int_Tables_number   1
_cell_volume   322.284
_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  0.678  0.678  0.490  1.0
  Ti  Ti1  1  0.363  0.363  0.035  1.0
  Mn  Mn2  1  0.823  0.823  0.797  1.0
  Mn  Mn3  1  0.176  0.676  0.306  1.0
  Mn  Mn4  1  0.676  0.176  0.306  1.0
  Te  Te5  1  0.326  0.825  0.783  1.0
  Te  Te6  1  0.825  0.326  0.783  1.0
  Te  Te7  1  0.177  0.177  0.284  1.0
  O  O8  1  0.360  0.850  0.399  1.0
  O  O9  1  0.517  0.517  0.661  1.0
  O  O10  1  0.637  0.637  0.901  1.0
  O  O11  1  0.005  0.005  0.676  1.0
  O  O12  1  0.024  0.024  0.202  1.0
  O  O13  1  0.850  0.360  0.399  1.0
  O  O14  1  0.498  0.939  0.662  1.0
  O  O15  1  0.939  0.498  0.662  1.0
  O  O16  1  0.144  0.144  0.889  1.0
  O  O17  1  0.826  0.826  0.415  1.0
  O  O18  1  0.056  0.464  0.148  1.0
  O  O19  1  0.464  0.056  0.148  1.0
  O  O20  1  0.315  0.315  0.398  1.0
  O  O21  1  0.182  0.664  0.894  1.0
  O  O22  1  0.477  0.477  0.152  1.0
  O  O23  1  0.664  0.182  0.894  1.0
[/CIF]
.