The structure described by Ti2Pb4Sb2O13 crystallizes in the orthorhombic Imm2 space group. Ti(1) is bonded to one O(3), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra, edges with two equivalent Pb(1)O7 hexagonal pyramids, and edges with four equivalent Pb(2)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 40-43°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(2), one O(4), one O(7), two equivalent O(1), and two equivalent O(5) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(1)O7 hexagonal pyramid, corners with two equivalent Pb(2)O7 hexagonal pyramids,  an edgeedge with one Pb(1)O7 hexagonal pyramid, edges with two equivalent Pb(2)O7 hexagonal pyramids, edges with two equivalent Ti(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. In the second Pb site, Pb(2) is bonded to one O(3), one O(4), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(2)O7 hexagonal pyramid, corners with two equivalent Pb(1)O7 hexagonal pyramids,  an edgeedge with one Pb(2)O7 hexagonal pyramid, edges with two equivalent Pb(1)O7 hexagonal pyramids, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. Sb(1) is bonded to one O(2), one O(7), two equivalent O(1), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra, edges with two equivalent Pb(2)O7 hexagonal pyramids, and edges with four equivalent Pb(1)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 42-46°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ti(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to two equivalent Ti(1) and two equivalent Pb(2) atoms. In the fourth O site, O(4) is bonded in a tetrahedral geometry to two equivalent Pb(1) and two equivalent Pb(2) atoms. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ti(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to two equivalent Ti(1) and two equivalent Pb(2) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ti2Sb2Pb4O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.471
_cell_length_b   7.471
_cell_length_c   7.471
_cell_angle_alpha   120.160
_cell_angle_beta   119.773
_cell_angle_gamma   90.059
_symmetry_Int_Tables_number   1
_cell_volume   294.992
_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  0.626  0.877  0.251  1.0
  Ti  Ti1  1  0.626  0.375  0.749  1.0
  Sb  Sb2  1  0.625  0.375  0.250  1.0
  Sb  Sb3  1  0.125  0.375  0.750  1.0
  Pb  Pb4  1  0.127  0.382  0.255  1.0
  Pb  Pb5  1  0.127  0.873  0.745  1.0
  Pb  Pb6  1  0.127  0.873  0.253  1.0
  Pb  Pb7  1  0.620  0.873  0.747  1.0
  O  O8  1  0.556  0.442  0.500  1.0
  O  O9  1  0.942  0.442  0.886  1.0
  O  O10  1  0.947  0.447  0.500  1.0
  O  O11  1  0.942  0.056  0.500  1.0
  O  O12  1  0.556  0.056  0.114  1.0
  O  O13  1  0.562  0.062  0.500  1.0
  O  O14  1  0.000  0.000  0.000  1.0
  O  O15  1  0.304  0.696  0.999  1.0
  O  O16  1  0.696  0.696  0.392  1.0
  O  O17  1  0.691  0.691  0.000  1.0
  O  O18  1  0.696  0.304  0.001  1.0
  O  O19  1  0.304  0.304  0.608  1.0
  O  O20  1  0.300  0.300  0.000  1.0
[/CIF]
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The structure described by Ti2Pb4Sb2O13 crystallizes in the orthorhombic Imm2 space group. Ti(1) is bonded to one O(3), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra, edges with two equivalent Pb(1)O7 hexagonal pyramids, and edges with four equivalent Pb(2)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 40-43°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(2), one O(4), one O(7), two equivalent O(1), and two equivalent O(5) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(1)O7 hexagonal pyramid, corners with two equivalent Pb(2)O7 hexagonal pyramids,  an edgeedge with one Pb(1)O7 hexagonal pyramid, edges with two equivalent Pb(2)O7 hexagonal pyramids, edges with two equivalent Ti(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. In the second Pb site, Pb(2) is bonded to one O(3), one O(4), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(2)O7 hexagonal pyramid, corners with two equivalent Pb(1)O7 hexagonal pyramids,  an edgeedge with one Pb(2)O7 hexagonal pyramid, edges with two equivalent Pb(1)O7 hexagonal pyramids, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. Sb(1) is bonded to one O(2), one O(7), two equivalent O(1), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra, edges with two equivalent Pb(2)O7 hexagonal pyramids, and edges with four equivalent Pb(1)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 42-46°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ti(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to two equivalent Ti(1) and two equivalent Pb(2) atoms. In the fourth O site, O(4) is bonded in a tetrahedral geometry to two equivalent Pb(1) and two equivalent Pb(2) atoms. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ti(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to two equivalent Ti(1) and two equivalent Pb(2) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ti2Sb2Pb4O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.471
_cell_length_b   7.471
_cell_length_c   7.471
_cell_angle_alpha   120.160
_cell_angle_beta   119.773
_cell_angle_gamma   90.059
_symmetry_Int_Tables_number   1
_cell_volume   294.992
_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  0.626  0.877  0.251  1.0
  Ti  Ti1  1  0.626  0.375  0.749  1.0
  Sb  Sb2  1  0.625  0.375  0.250  1.0
  Sb  Sb3  1  0.125  0.375  0.750  1.0
  Pb  Pb4  1  0.127  0.382  0.255  1.0
  Pb  Pb5  1  0.127  0.873  0.745  1.0
  Pb  Pb6  1  0.127  0.873  0.253  1.0
  Pb  Pb7  1  0.620  0.873  0.747  1.0
  O  O8  1  0.556  0.442  0.500  1.0
  O  O9  1  0.942  0.442  0.886  1.0
  O  O10  1  0.947  0.447  0.500  1.0
  O  O11  1  0.942  0.056  0.500  1.0
  O  O12  1  0.556  0.056  0.114  1.0
  O  O13  1  0.562  0.062  0.500  1.0
  O  O14  1  0.000  0.000  0.000  1.0
  O  O15  1  0.304  0.696  0.999  1.0
  O  O16  1  0.696  0.696  0.392  1.0
  O  O17  1  0.691  0.691  0.000  1.0
  O  O18  1  0.696  0.304  0.001  1.0
  O  O19  1  0.304  0.304  0.608  1.0
  O  O20  1  0.300  0.300  0.000  1.0
[/CIF]
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