The structure described by Y3SbO7 crystallizes in the orthorhombic Cmcm space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(2), and four equivalent O(4) atoms. In the second Y site, Y(2) is bonded to one O(1), one O(2), one O(3), and four equivalent O(4) atoms to form distorted YO7 pentagonal bipyramids that share corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Y(2)O7 pentagonal bipyramid, edges with two equivalent Sb(1)O6 octahedra, and edges with three equivalent Y(2)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 47°. Sb(1) is bonded to two equivalent O(3) and four equivalent O(4) atoms to form SbO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Y(2)O7 pentagonal bipyramids, and edges with four equivalent Y(2)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 42°. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Y(1) and two equivalent Y(2) atoms to form OY4 tetrahedra that share corners with two equivalent O(1)Y4 tetrahedra, corners with four equivalent O(2)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra,  an edgeedge with one O(2)Y4 tetrahedra, edges with four equivalent O(4)Y3Sb tetrahedra, and  an edgeedge with one O(3)Y2Sb2 trigonal pyramid. In the second O site, O(2) is bonded to two equivalent Y(1) and two equivalent Y(2) atoms to form OY4 tetrahedra that share corners with two equivalent O(2)Y4 tetrahedra, corners with four equivalent O(1)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra, corners with two equivalent O(3)Y2Sb2 trigonal pyramids,  an edgeedge with one O(1)Y4 tetrahedra, and edges with four equivalent O(4)Y3Sb tetrahedra. In the third O site, O(3) is bonded to two equivalent Y(2) and two equivalent Sb(1) atoms to form distorted OY2Sb2 trigonal pyramids that share corners with two equivalent O(2)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra, corners with two equivalent O(3)Y2Sb2 trigonal pyramids,  an edgeedge with one O(1)Y4 tetrahedra, and edges with four equivalent O(4)Y3Sb tetrahedra. In the fourth O site, O(4) is bonded to one Y(1), two equivalent Y(2), and one Sb(1) atom to form distorted OY3Sb tetrahedra that share corners with two equivalent O(1)Y4 tetrahedra, corners with two equivalent O(2)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra, corners with two equivalent O(3)Y2Sb2 trigonal pyramids,  an edgeedge with one O(1)Y4 tetrahedra,  an edgeedge with one O(2)Y4 tetrahedra, edges with two equivalent O(4)Y3Sb tetrahedra, and  an edgeedge with one O(3)Y2Sb2 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Y3SbO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.427
_cell_length_b   6.427
_cell_length_c   7.457
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   109.493
_symmetry_Int_Tables_number   1
_cell_volume   290.413
_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
  Y  Y0  1  0.500  0.500  0.000  1.0
  Y  Y1  1  0.500  0.500  0.500  1.0
  Y  Y2  1  1.000  0.469  0.750  1.0
  Y  Y3  1  0.000  0.531  0.250  1.0
  Y  Y4  1  0.531  0.000  0.750  1.0
  Y  Y5  1  0.469  1.000  0.250  1.0
  Sb  Sb6  1  0.000  0.000  0.000  1.0
  Sb  Sb7  1  0.000  0.000  0.500  1.0
  O  O8  1  0.637  0.363  0.750  1.0
  O  O9  1  0.363  0.637  0.250  1.0
  O  O10  1  0.370  0.630  0.750  1.0
  O  O11  1  0.630  0.370  0.250  1.0
  O  O12  1  0.932  0.068  0.750  1.0
  O  O13  1  0.068  0.932  0.250  1.0
  O  O14  1  0.072  0.321  0.030  1.0
  O  O15  1  0.928  0.679  0.530  1.0
  O  O16  1  0.679  0.928  0.470  1.0
  O  O17  1  0.321  0.072  0.970  1.0
  O  O18  1  0.928  0.679  0.970  1.0
  O  O19  1  0.072  0.321  0.470  1.0
  O  O20  1  0.321  0.072  0.530  1.0
  O  O21  1  0.679  0.928  0.030  1.0
[/CIF]
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The structure described by Y3SbO7 crystallizes in the orthorhombic Cmcm space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(2), and four equivalent O(4) atoms. In the second Y site, Y(2) is bonded to one O(1), one O(2), one O(3), and four equivalent O(4) atoms to form distorted YO7 pentagonal bipyramids that share corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Y(2)O7 pentagonal bipyramid, edges with two equivalent Sb(1)O6 octahedra, and edges with three equivalent Y(2)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 47°. Sb(1) is bonded to two equivalent O(3) and four equivalent O(4) atoms to form SbO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Y(2)O7 pentagonal bipyramids, and edges with four equivalent Y(2)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 42°. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Y(1) and two equivalent Y(2) atoms to form OY4 tetrahedra that share corners with two equivalent O(1)Y4 tetrahedra, corners with four equivalent O(2)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra,  an edgeedge with one O(2)Y4 tetrahedra, edges with four equivalent O(4)Y3Sb tetrahedra, and  an edgeedge with one O(3)Y2Sb2 trigonal pyramid. In the second O site, O(2) is bonded to two equivalent Y(1) and two equivalent Y(2) atoms to form OY4 tetrahedra that share corners with two equivalent O(2)Y4 tetrahedra, corners with four equivalent O(1)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra, corners with two equivalent O(3)Y2Sb2 trigonal pyramids,  an edgeedge with one O(1)Y4 tetrahedra, and edges with four equivalent O(4)Y3Sb tetrahedra. In the third O site, O(3) is bonded to two equivalent Y(2) and two equivalent Sb(1) atoms to form distorted OY2Sb2 trigonal pyramids that share corners with two equivalent O(2)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra, corners with two equivalent O(3)Y2Sb2 trigonal pyramids,  an edgeedge with one O(1)Y4 tetrahedra, and edges with four equivalent O(4)Y3Sb tetrahedra. In the fourth O site, O(4) is bonded to one Y(1), two equivalent Y(2), and one Sb(1) atom to form distorted OY3Sb tetrahedra that share corners with two equivalent O(1)Y4 tetrahedra, corners with two equivalent O(2)Y4 tetrahedra, corners with eight equivalent O(4)Y3Sb tetrahedra, corners with two equivalent O(3)Y2Sb2 trigonal pyramids,  an edgeedge with one O(1)Y4 tetrahedra,  an edgeedge with one O(2)Y4 tetrahedra, edges with two equivalent O(4)Y3Sb tetrahedra, and  an edgeedge with one O(3)Y2Sb2 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Y3SbO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.427
_cell_length_b   6.427
_cell_length_c   7.457
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   109.493
_symmetry_Int_Tables_number   1
_cell_volume   290.413
_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
  Y  Y0  1  0.500  0.500  0.000  1.0
  Y  Y1  1  0.500  0.500  0.500  1.0
  Y  Y2  1  1.000  0.469  0.750  1.0
  Y  Y3  1  0.000  0.531  0.250  1.0
  Y  Y4  1  0.531  0.000  0.750  1.0
  Y  Y5  1  0.469  1.000  0.250  1.0
  Sb  Sb6  1  0.000  0.000  0.000  1.0
  Sb  Sb7  1  0.000  0.000  0.500  1.0
  O  O8  1  0.637  0.363  0.750  1.0
  O  O9  1  0.363  0.637  0.250  1.0
  O  O10  1  0.370  0.630  0.750  1.0
  O  O11  1  0.630  0.370  0.250  1.0
  O  O12  1  0.932  0.068  0.750  1.0
  O  O13  1  0.068  0.932  0.250  1.0
  O  O14  1  0.072  0.321  0.030  1.0
  O  O15  1  0.928  0.679  0.530  1.0
  O  O16  1  0.679  0.928  0.470  1.0
  O  O17  1  0.321  0.072  0.970  1.0
  O  O18  1  0.928  0.679  0.970  1.0
  O  O19  1  0.072  0.321  0.470  1.0
  O  O20  1  0.321  0.072  0.530  1.0
  O  O21  1  0.679  0.928  0.030  1.0
[/CIF]
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