The material described by Gd5Y3O12 is Spinel-like structured and crystallizes in the orthorhombic I2_12_12_1 space group. There are five inequivalent Gd sites. In the first Gd site, Gd(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(3)O6 octahedra, corners with two equivalent Gd(5)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(2)O6 octahedra, edges with two equivalent Y(1)O6 octahedra, and edges with two equivalent Y(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the second Gd site, Gd(2) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(4)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, corners with two equivalent Y(2)O6 octahedra, edges with two equivalent Gd(1)O6 octahedra, edges with two equivalent Gd(5)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the third Gd site, Gd(3) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(1)O6 octahedra, corners with two equivalent Gd(5)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(4)O6 octahedra, edges with two equivalent Y(1)O6 octahedra, and edges with two equivalent Y(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the fourth Gd site, Gd(4) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(2)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, corners with two equivalent Y(2)O6 octahedra, edges with two equivalent Gd(3)O6 octahedra, edges with two equivalent Gd(5)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-57°. In the fifth Gd site, Gd(5) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(1)O6 octahedra, corners with two equivalent Gd(3)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(2)O6 octahedra, edges with two equivalent Gd(4)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form YO6 octahedra that share  a cornercorner with one Gd(1)O6 octahedra,  a cornercorner with one Gd(2)O6 octahedra,  a cornercorner with one Gd(3)O6 octahedra,  a cornercorner with one Gd(4)O6 octahedra,  a cornercorner with one Gd(5)O6 octahedra,  a cornercorner with one Y(2)O6 octahedra,  an edgeedge with one Gd(1)O6 octahedra,  an edgeedge with one Gd(2)O6 octahedra,  an edgeedge with one Gd(3)O6 octahedra,  an edgeedge with one Gd(4)O6 octahedra,  an edgeedge with one Gd(5)O6 octahedra, and  an edgeedge with one Y(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-57°. In the second Y site, Y(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form distorted YO6 octahedra that share corners with two equivalent Gd(2)O6 octahedra, corners with two equivalent Gd(4)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(1)O6 octahedra, edges with two equivalent Gd(3)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-55°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Gd(1), one Gd(3), one Y(1), and one Y(2) atom to form OGd2Y2 trigonal pyramids that share  a cornercorner with one O(3)Gd2Y2 trigonal pyramid,  a cornercorner with one O(4)Gd2Y2 trigonal pyramid,  a cornercorner with one O(6)Gd3Y trigonal pyramid, corners with three equivalent O(1)Gd2Y2 trigonal pyramids, corners with three equivalent O(2)Gd3Y trigonal pyramids, corners with three equivalent O(5)Gd3Y trigonal pyramids, edges with two equivalent O(3)Gd2Y2 trigonal pyramids, and edges with two equivalent O(4)Gd2Y2 trigonal pyramids. In the second O site, O(2) is bonded to one Gd(3), one Gd(4), one Gd(5), and one Y(1) atom to form OGd3Y trigonal pyramids that share  a cornercorner with one O(3)Gd2Y2 trigonal pyramid,  a cornercorner with one O(4)Gd2Y2 trigonal pyramid,  a cornercorner with one O(6)Gd3Y trigonal pyramid, corners with three equivalent O(1)Gd2Y2 trigonal pyramids, corners with three equivalent O(2)Gd3Y trigonal pyramids, corners with three equivalent O(5)Gd3Y trigonal pyramids, edges with two equivalent O(4)Gd2Y2 trigonal pyramids, and edges with two equivalent O(6)Gd3Y trigonal pyramids. In the third O site, O(3) is bonded to one Gd(1), one Gd(2), one Y(1), and one Y(2) atom to form OGd2Y2 trigonal pyramids that share  a cornercorner with one O(1)Gd2Y2 trigonal pyramid,  a cornercorner with one O(2)Gd3Y trigonal pyramid,  a cornercorner with one O(5)Gd3Y trigonal pyramid, corners with three equivalent O(3)Gd2Y2 trigonal pyramids, corners with three equivalent O(4)Gd2Y2 trigonal pyramids, corners with three equivalent O(6)Gd3Y trigonal pyramids, edges with two equivalent O(1)Gd2Y2 trigonal pyramids, and edges with two equivalent O(5)Gd3Y trigonal pyramids. In the fourth O site, O(4) is bonded to one Gd(3), one Gd(4), one Y(1), and one Y(2) atom to form OGd2Y2 trigonal pyramids that share  a cornercorner with one O(1)Gd2Y2 trigonal pyramid,  a cornercorner with one O(2)Gd3Y trigonal pyramid,  a cornercorner with one O(5)Gd3Y trigonal pyramid, corners with three equivalent O(3)Gd2Y2 trigonal pyramids, corners with three equivalent O(4)Gd2Y2 trigonal pyramids, corners with three equivalent O(6)Gd3Y trigonal pyramids, edges with two equivalent O(1)Gd2Y2 trigonal pyramids, and edges with two equivalent O(2)Gd3Y trigonal pyramids. In the fifth O site, O(5) is bonded to one Gd(1), one Gd(2), one Gd(5), and one Y(1) atom to form OGd3Y trigonal pyramids that share  a cornercorner with one O(3)Gd2Y2 trigonal pyramid,  a cornercorner with one O(4)Gd2Y2 trigonal pyramid,  a cornercorner with one O(6)Gd3Y trigonal pyramid, corners with three equivalent O(1)Gd2Y2 trigonal pyramids, corners with three equivalent O(2)Gd3Y trigonal pyramids, corners with three equivalent O(5)Gd3Y trigonal pyramids, edges with two equivalent O(3)Gd2Y2 trigonal pyramids, and edges with two equivalent O(6)Gd3Y trigonal pyramids. In the sixth O site, O(6) is bonded to one Gd(2), one Gd(4), one Gd(5), and one Y(1) atom to form OGd3Y trigonal pyramids that share  a cornercorner with one O(1)Gd2Y2 trigonal pyramid,  a cornercorner with one O(2)Gd3Y trigonal pyramid,  a cornercorner with one O(5)Gd3Y trigonal pyramid, corners with three equivalent O(3)Gd2Y2 trigonal pyramids, corners with three equivalent O(4)Gd2Y2 trigonal pyramids, corners with three equivalent O(6)Gd3Y trigonal pyramids, edges with two equivalent O(2)Gd3Y trigonal pyramids, and edges with two equivalent O(5)Gd3Y trigonal pyramids. is represented by the CIF card [CIF]
data_Gd5Y3O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.297
_cell_length_b   9.297
_cell_length_c   9.297
_cell_angle_alpha   109.506
_cell_angle_beta   109.482
_cell_angle_gamma   109.425
_symmetry_Int_Tables_number   1
_cell_volume   618.572
_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  0.217  0.967  0.250  1.0
  Gd  Gd1  1  0.032  0.750  0.782  1.0
  Gd  Gd2  1  0.532  0.750  0.282  1.0
  Gd  Gd3  1  0.718  0.468  0.250  1.0
  Gd  Gd4  1  0.283  0.533  0.750  1.0
  Gd  Gd5  1  0.468  0.250  0.718  1.0
  Gd  Gd6  1  0.968  0.250  0.218  1.0
  Gd  Gd7  1  0.750  0.282  0.532  1.0
  Gd  Gd8  1  0.250  0.218  0.968  1.0
  Gd  Gd9  1  0.782  0.032  0.750  1.0
  Y  Y10  1  0.999  0.501  0.001  1.0
  Y  Y11  1  0.750  0.783  0.033  1.0
  Y  Y12  1  0.250  0.717  0.467  1.0
  Y  Y13  1  1.000  0.999  0.499  1.0
  Y  Y14  1  0.500  0.999  0.999  1.0
  Y  Y15  1  0.501  0.501  0.501  1.0
  O  O16  1  0.492  0.764  0.031  1.0
  O  O17  1  0.267  0.736  0.228  1.0
  O  O18  1  0.042  0.274  0.011  1.0
  O  O19  1  0.237  0.966  0.510  1.0
  O  O20  1  0.263  0.773  0.729  1.0
  O  O21  1  0.458  0.469  0.232  1.0
  O  O22  1  0.008  0.040  0.272  1.0
  O  O23  1  0.233  0.460  0.469  1.0
  O  O24  1  0.528  0.769  0.541  1.0
  O  O25  1  0.773  0.731  0.260  1.0
  O  O26  1  0.032  0.490  0.764  1.0
  O  O27  1  0.274  0.010  0.042  1.0
  O  O28  1  0.226  0.268  0.736  1.0
  O  O29  1  0.468  0.232  0.458  1.0
  O  O30  1  0.727  0.987  0.959  1.0
  O  O31  1  0.972  0.513  0.240  1.0
  O  O32  1  0.768  0.542  0.531  1.0
  O  O33  1  0.989  0.958  0.726  1.0
  O  O34  1  0.545  0.534  0.771  1.0
  O  O35  1  0.737  0.226  0.268  1.0
  O  O36  1  0.955  0.727  0.990  1.0
  O  O37  1  0.763  0.031  0.489  1.0
  O  O38  1  0.511  0.237  0.969  1.0
  O  O39  1  0.732  0.263  0.774  1.0
[/CIF]
.
The material described by Gd5Y3O12 is Spinel-like structured and crystallizes in the orthorhombic I2_12_12_1 space group. There are five inequivalent Gd sites. In the first Gd site, Gd(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(3)O6 octahedra, corners with two equivalent Gd(5)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(2)O6 octahedra, edges with two equivalent Y(1)O6 octahedra, and edges with two equivalent Y(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the second Gd site, Gd(2) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(4)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, corners with two equivalent Y(2)O6 octahedra, edges with two equivalent Gd(1)O6 octahedra, edges with two equivalent Gd(5)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the third Gd site, Gd(3) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(1)O6 octahedra, corners with two equivalent Gd(5)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(4)O6 octahedra, edges with two equivalent Y(1)O6 octahedra, and edges with two equivalent Y(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the fourth Gd site, Gd(4) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(2)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, corners with two equivalent Y(2)O6 octahedra, edges with two equivalent Gd(3)O6 octahedra, edges with two equivalent Gd(5)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-57°. In the fifth Gd site, Gd(5) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form distorted GdO6 octahedra that share corners with two equivalent Gd(1)O6 octahedra, corners with two equivalent Gd(3)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(2)O6 octahedra, edges with two equivalent Gd(4)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form YO6 octahedra that share  a cornercorner with one Gd(1)O6 octahedra,  a cornercorner with one Gd(2)O6 octahedra,  a cornercorner with one Gd(3)O6 octahedra,  a cornercorner with one Gd(4)O6 octahedra,  a cornercorner with one Gd(5)O6 octahedra,  a cornercorner with one Y(2)O6 octahedra,  an edgeedge with one Gd(1)O6 octahedra,  an edgeedge with one Gd(2)O6 octahedra,  an edgeedge with one Gd(3)O6 octahedra,  an edgeedge with one Gd(4)O6 octahedra,  an edgeedge with one Gd(5)O6 octahedra, and  an edgeedge with one Y(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-57°. In the second Y site, Y(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form distorted YO6 octahedra that share corners with two equivalent Gd(2)O6 octahedra, corners with two equivalent Gd(4)O6 octahedra, corners with two equivalent Y(1)O6 octahedra, edges with two equivalent Gd(1)O6 octahedra, edges with two equivalent Gd(3)O6 octahedra, and edges with two equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-55°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Gd(1), one Gd(3), one Y(1), and one Y(2) atom to form OGd2Y2 trigonal pyramids that share  a cornercorner with one O(3)Gd2Y2 trigonal pyramid,  a cornercorner with one O(4)Gd2Y2 trigonal pyramid,  a cornercorner with one O(6)Gd3Y trigonal pyramid, corners with three equivalent O(1)Gd2Y2 trigonal pyramids, corners with three equivalent O(2)Gd3Y trigonal pyramids, corners with three equivalent O(5)Gd3Y trigonal pyramids, edges with two equivalent O(3)Gd2Y2 trigonal pyramids, and edges with two equivalent O(4)Gd2Y2 trigonal pyramids. In the second O site, O(2) is bonded to one Gd(3), one Gd(4), one Gd(5), and one Y(1) atom to form OGd3Y trigonal pyramids that share  a cornercorner with one O(3)Gd2Y2 trigonal pyramid,  a cornercorner with one O(4)Gd2Y2 trigonal pyramid,  a cornercorner with one O(6)Gd3Y trigonal pyramid, corners with three equivalent O(1)Gd2Y2 trigonal pyramids, corners with three equivalent O(2)Gd3Y trigonal pyramids, corners with three equivalent O(5)Gd3Y trigonal pyramids, edges with two equivalent O(4)Gd2Y2 trigonal pyramids, and edges with two equivalent O(6)Gd3Y trigonal pyramids. In the third O site, O(3) is bonded to one Gd(1), one Gd(2), one Y(1), and one Y(2) atom to form OGd2Y2 trigonal pyramids that share  a cornercorner with one O(1)Gd2Y2 trigonal pyramid,  a cornercorner with one O(2)Gd3Y trigonal pyramid,  a cornercorner with one O(5)Gd3Y trigonal pyramid, corners with three equivalent O(3)Gd2Y2 trigonal pyramids, corners with three equivalent O(4)Gd2Y2 trigonal pyramids, corners with three equivalent O(6)Gd3Y trigonal pyramids, edges with two equivalent O(1)Gd2Y2 trigonal pyramids, and edges with two equivalent O(5)Gd3Y trigonal pyramids. In the fourth O site, O(4) is bonded to one Gd(3), one Gd(4), one Y(1), and one Y(2) atom to form OGd2Y2 trigonal pyramids that share  a cornercorner with one O(1)Gd2Y2 trigonal pyramid,  a cornercorner with one O(2)Gd3Y trigonal pyramid,  a cornercorner with one O(5)Gd3Y trigonal pyramid, corners with three equivalent O(3)Gd2Y2 trigonal pyramids, corners with three equivalent O(4)Gd2Y2 trigonal pyramids, corners with three equivalent O(6)Gd3Y trigonal pyramids, edges with two equivalent O(1)Gd2Y2 trigonal pyramids, and edges with two equivalent O(2)Gd3Y trigonal pyramids. In the fifth O site, O(5) is bonded to one Gd(1), one Gd(2), one Gd(5), and one Y(1) atom to form OGd3Y trigonal pyramids that share  a cornercorner with one O(3)Gd2Y2 trigonal pyramid,  a cornercorner with one O(4)Gd2Y2 trigonal pyramid,  a cornercorner with one O(6)Gd3Y trigonal pyramid, corners with three equivalent O(1)Gd2Y2 trigonal pyramids, corners with three equivalent O(2)Gd3Y trigonal pyramids, corners with three equivalent O(5)Gd3Y trigonal pyramids, edges with two equivalent O(3)Gd2Y2 trigonal pyramids, and edges with two equivalent O(6)Gd3Y trigonal pyramids. In the sixth O site, O(6) is bonded to one Gd(2), one Gd(4), one Gd(5), and one Y(1) atom to form OGd3Y trigonal pyramids that share  a cornercorner with one O(1)Gd2Y2 trigonal pyramid,  a cornercorner with one O(2)Gd3Y trigonal pyramid,  a cornercorner with one O(5)Gd3Y trigonal pyramid, corners with three equivalent O(3)Gd2Y2 trigonal pyramids, corners with three equivalent O(4)Gd2Y2 trigonal pyramids, corners with three equivalent O(6)Gd3Y trigonal pyramids, edges with two equivalent O(2)Gd3Y trigonal pyramids, and edges with two equivalent O(5)Gd3Y trigonal pyramids. is represented by the CIF card [CIF]
data_Gd5Y3O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.297
_cell_length_b   9.297
_cell_length_c   9.297
_cell_angle_alpha   109.506
_cell_angle_beta   109.482
_cell_angle_gamma   109.425
_symmetry_Int_Tables_number   1
_cell_volume   618.572
_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  0.217  0.967  0.250  1.0
  Gd  Gd1  1  0.032  0.750  0.782  1.0
  Gd  Gd2  1  0.532  0.750  0.282  1.0
  Gd  Gd3  1  0.718  0.468  0.250  1.0
  Gd  Gd4  1  0.283  0.533  0.750  1.0
  Gd  Gd5  1  0.468  0.250  0.718  1.0
  Gd  Gd6  1  0.968  0.250  0.218  1.0
  Gd  Gd7  1  0.750  0.282  0.532  1.0
  Gd  Gd8  1  0.250  0.218  0.968  1.0
  Gd  Gd9  1  0.782  0.032  0.750  1.0
  Y  Y10  1  0.999  0.501  0.001  1.0
  Y  Y11  1  0.750  0.783  0.033  1.0
  Y  Y12  1  0.250  0.717  0.467  1.0
  Y  Y13  1  1.000  0.999  0.499  1.0
  Y  Y14  1  0.500  0.999  0.999  1.0
  Y  Y15  1  0.501  0.501  0.501  1.0
  O  O16  1  0.492  0.764  0.031  1.0
  O  O17  1  0.267  0.736  0.228  1.0
  O  O18  1  0.042  0.274  0.011  1.0
  O  O19  1  0.237  0.966  0.510  1.0
  O  O20  1  0.263  0.773  0.729  1.0
  O  O21  1  0.458  0.469  0.232  1.0
  O  O22  1  0.008  0.040  0.272  1.0
  O  O23  1  0.233  0.460  0.469  1.0
  O  O24  1  0.528  0.769  0.541  1.0
  O  O25  1  0.773  0.731  0.260  1.0
  O  O26  1  0.032  0.490  0.764  1.0
  O  O27  1  0.274  0.010  0.042  1.0
  O  O28  1  0.226  0.268  0.736  1.0
  O  O29  1  0.468  0.232  0.458  1.0
  O  O30  1  0.727  0.987  0.959  1.0
  O  O31  1  0.972  0.513  0.240  1.0
  O  O32  1  0.768  0.542  0.531  1.0
  O  O33  1  0.989  0.958  0.726  1.0
  O  O34  1  0.545  0.534  0.771  1.0
  O  O35  1  0.737  0.226  0.268  1.0
  O  O36  1  0.955  0.727  0.990  1.0
  O  O37  1  0.763  0.031  0.489  1.0
  O  O38  1  0.511  0.237  0.969  1.0
  O  O39  1  0.732  0.263  0.774  1.0
[/CIF]
.