The structure described by GdTiCdSbO7 crystallizes in the orthorhombic Imma space group. Gd(1) is bonded to two equivalent O(1), two equivalent O(4), and four equivalent O(3) atoms to form distorted GdO8 hexagonal bipyramids that share edges with two equivalent Gd(1)O8 hexagonal bipyramids, edges with four equivalent Cd(1)O8 hexagonal bipyramids, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. Ti(1) is bonded to two equivalent O(1) and four equivalent O(3) 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 Cd(1)O8 hexagonal bipyramids, and edges with four equivalent Gd(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles are 45°. Cd(1) is bonded to two equivalent O(2), two equivalent O(4), and four equivalent O(3) atoms to form distorted CdO8 hexagonal bipyramids that share edges with two equivalent Cd(1)O8 hexagonal bipyramids, edges with four equivalent Gd(1)O8 hexagonal bipyramids, edges with two equivalent Ti(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. Sb(1) is bonded to two equivalent O(2) and four equivalent O(3) 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 Gd(1)O8 hexagonal bipyramids, and edges with four equivalent Cd(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 45-47°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Gd(1) and two equivalent Ti(1) atoms. In the second O site, O(2) is bonded to two equivalent Cd(1) and two equivalent Sb(1) atoms to form distorted OCd2Sb2 tetrahedra that share corners with two equivalent O(4)Gd2Cd2 tetrahedra, corners with four equivalent O(2)Cd2Sb2 tetrahedra, and  an edgeedge with one O(4)Gd2Cd2 tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Gd(1), one Ti(1), one Cd(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded to two equivalent Gd(1) and two equivalent Cd(1) atoms to form OGd2Cd2 tetrahedra that share corners with two equivalent O(2)Cd2Sb2 tetrahedra, corners with four equivalent O(4)Gd2Cd2 tetrahedra, and  an edgeedge with one O(2)Cd2Sb2 tetrahedra. is represented by the CIF card [CIF]
data_GdTiCdSbO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.317
_cell_length_b   7.317
_cell_length_c   7.317
_cell_angle_alpha   120.876
_cell_angle_beta   118.539
_cell_angle_gamma   90.519
_symmetry_Int_Tables_number   1
_cell_volume   278.083
_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
  Gd  Gd0  1  0.500  0.000  0.500  1.0
  Gd  Gd1  1  0.000  0.000  0.000  1.0
  Ti  Ti2  1  0.000  0.500  0.000  1.0
  Ti  Ti3  1  0.000  0.000  0.500  1.0
  Cd  Cd4  1  0.500  0.000  0.000  1.0
  Cd  Cd5  1  0.500  0.500  0.500  1.0
  Sb  Sb6  1  0.000  0.500  0.500  1.0
  Sb  Sb7  1  0.500  0.500  0.000  1.0
  O  O8  1  0.927  0.177  0.750  1.0
  O  O9  1  0.328  0.578  0.750  1.0
  O  O10  1  0.935  0.582  0.761  1.0
  O  O11  1  0.321  0.174  0.739  1.0
  O  O12  1  0.935  0.174  0.353  1.0
  O  O13  1  0.321  0.582  0.147  1.0
  O  O14  1  0.073  0.823  0.250  1.0
  O  O15  1  0.672  0.422  0.250  1.0
  O  O16  1  0.065  0.418  0.239  1.0
  O  O17  1  0.679  0.826  0.261  1.0
  O  O18  1  0.065  0.826  0.647  1.0
  O  O19  1  0.679  0.418  0.853  1.0
  O  O20  1  0.626  0.876  0.750  1.0
  O  O21  1  0.374  0.124  0.250  1.0
[/CIF]
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The structure described by GdTiCdSbO7 crystallizes in the orthorhombic Imma space group. Gd(1) is bonded to two equivalent O(1), two equivalent O(4), and four equivalent O(3) atoms to form distorted GdO8 hexagonal bipyramids that share edges with two equivalent Gd(1)O8 hexagonal bipyramids, edges with four equivalent Cd(1)O8 hexagonal bipyramids, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. Ti(1) is bonded to two equivalent O(1) and four equivalent O(3) 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 Cd(1)O8 hexagonal bipyramids, and edges with four equivalent Gd(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles are 45°. Cd(1) is bonded to two equivalent O(2), two equivalent O(4), and four equivalent O(3) atoms to form distorted CdO8 hexagonal bipyramids that share edges with two equivalent Cd(1)O8 hexagonal bipyramids, edges with four equivalent Gd(1)O8 hexagonal bipyramids, edges with two equivalent Ti(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. Sb(1) is bonded to two equivalent O(2) and four equivalent O(3) 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 Gd(1)O8 hexagonal bipyramids, and edges with four equivalent Cd(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 45-47°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Gd(1) and two equivalent Ti(1) atoms. In the second O site, O(2) is bonded to two equivalent Cd(1) and two equivalent Sb(1) atoms to form distorted OCd2Sb2 tetrahedra that share corners with two equivalent O(4)Gd2Cd2 tetrahedra, corners with four equivalent O(2)Cd2Sb2 tetrahedra, and  an edgeedge with one O(4)Gd2Cd2 tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Gd(1), one Ti(1), one Cd(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded to two equivalent Gd(1) and two equivalent Cd(1) atoms to form OGd2Cd2 tetrahedra that share corners with two equivalent O(2)Cd2Sb2 tetrahedra, corners with four equivalent O(4)Gd2Cd2 tetrahedra, and  an edgeedge with one O(2)Cd2Sb2 tetrahedra. is represented by the CIF card [CIF]
data_GdTiCdSbO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.317
_cell_length_b   7.317
_cell_length_c   7.317
_cell_angle_alpha   120.876
_cell_angle_beta   118.539
_cell_angle_gamma   90.519
_symmetry_Int_Tables_number   1
_cell_volume   278.083
_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
  Gd  Gd0  1  0.500  0.000  0.500  1.0
  Gd  Gd1  1  0.000  0.000  0.000  1.0
  Ti  Ti2  1  0.000  0.500  0.000  1.0
  Ti  Ti3  1  0.000  0.000  0.500  1.0
  Cd  Cd4  1  0.500  0.000  0.000  1.0
  Cd  Cd5  1  0.500  0.500  0.500  1.0
  Sb  Sb6  1  0.000  0.500  0.500  1.0
  Sb  Sb7  1  0.500  0.500  0.000  1.0
  O  O8  1  0.927  0.177  0.750  1.0
  O  O9  1  0.328  0.578  0.750  1.0
  O  O10  1  0.935  0.582  0.761  1.0
  O  O11  1  0.321  0.174  0.739  1.0
  O  O12  1  0.935  0.174  0.353  1.0
  O  O13  1  0.321  0.582  0.147  1.0
  O  O14  1  0.073  0.823  0.250  1.0
  O  O15  1  0.672  0.422  0.250  1.0
  O  O16  1  0.065  0.418  0.239  1.0
  O  O17  1  0.679  0.826  0.261  1.0
  O  O18  1  0.065  0.826  0.647  1.0
  O  O19  1  0.679  0.418  0.853  1.0
  O  O20  1  0.626  0.876  0.750  1.0
  O  O21  1  0.374  0.124  0.250  1.0
[/CIF]
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