The material structure described by Gd3ReO8 crystallizes in the monoclinic P2_1/c space group. There are three inequivalent Gd sites. In the first Gd site, Gd(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(8), and two equivalent O(7) atoms. In the second Gd site, Gd(2) is bonded in a 8-coordinate geometry to one O(5), one O(6), one O(7), one O(8), two equivalent O(1), and two equivalent O(2) atoms. In the third Gd site, Gd(3) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(8), and two equivalent O(6) atoms. Re(1) is bonded in an octahedral geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(5) is bonded to one Gd(1), one Gd(2), one Gd(3), and one Re(1) atom to form distorted OGd3Re trigonal pyramids that share corners with two equivalent O(7)Gd3Re tetrahedra, corners with four equivalent O(1)Gd4 tetrahedra, corners with four equivalent O(2)Gd4 tetrahedra, and  an edgeedge with one O(7)Gd3Re tetrahedra. In the second O site, O(6) is bonded in a 4-coordinate geometry to one Gd(2), two equivalent Gd(3), and one Re(1) atom. In the third O site, O(7) is bonded to one Gd(2), two equivalent Gd(1), and one Re(1) atom to form distorted OGd3Re tetrahedra that share corners with two equivalent O(2)Gd4 tetrahedra, corners with four equivalent O(1)Gd4 tetrahedra, corners with two equivalent O(5)Gd3Re trigonal pyramids,  an edgeedge with one O(7)Gd3Re tetrahedra,  an edgeedge with one O(2)Gd4 tetrahedra, and  an edgeedge with one O(5)Gd3Re trigonal pyramid. In the fourth O site, O(8) is bonded in a 4-coordinate geometry to one Gd(1), one Gd(2), one Gd(3), and one Re(1) atom. In the fifth O site, O(1) is bonded to one Gd(1), one Gd(3), and two equivalent Gd(2) atoms to form distorted OGd4 tetrahedra that share corners with two equivalent O(1)Gd4 tetrahedra, corners with four equivalent O(7)Gd3Re tetrahedra, corners with four equivalent O(5)Gd3Re trigonal pyramids, and edges with three equivalent O(2)Gd4 tetrahedra. In the sixth O site, O(2) is bonded to one Gd(1), one Gd(3), and two equivalent Gd(2) atoms to form distorted OGd4 tetrahedra that share corners with two equivalent O(7)Gd3Re tetrahedra, corners with two equivalent O(2)Gd4 tetrahedra, corners with four equivalent O(5)Gd3Re trigonal pyramids,  an edgeedge with one O(7)Gd3Re tetrahedra, and edges with three equivalent O(1)Gd4 tetrahedra. In the seventh O site, O(3) is bonded in a distorted single-bond geometry to one Gd(1), one Gd(3), and one Re(1) atom. In the eighth O site, O(4) is bonded in a distorted trigonal planar geometry to one Gd(1), one Gd(3), and one Re(1) atom. is represented by the CIF file [CIF]
data_Gd3ReO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.106
_cell_length_b   7.371
_cell_length_c   14.733
_cell_angle_alpha   68.684
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   617.704
_cell_formula_units_Z   4
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  0.701  0.160  0.555  1.0
  Gd  Gd1  1  0.201  0.840  0.945  1.0
  Gd  Gd2  1  0.299  0.840  0.445  1.0
  Gd  Gd3  1  0.799  0.160  0.055  1.0
  Gd  Gd4  1  0.259  0.905  0.201  1.0
  Gd  Gd5  1  0.759  0.095  0.299  1.0
  Gd  Gd6  1  0.741  0.095  0.799  1.0
  Gd  Gd7  1  0.241  0.905  0.701  1.0
  Gd  Gd8  1  0.809  0.607  0.333  1.0
  Gd  Gd9  1  0.309  0.393  0.167  1.0
  Gd  Gd10  1  0.191  0.393  0.667  1.0
  Gd  Gd11  1  0.691  0.607  0.833  1.0
  Re  Re12  1  0.254  0.321  0.410  1.0
  Re  Re13  1  0.754  0.679  0.090  1.0
  Re  Re14  1  0.746  0.679  0.590  1.0
  Re  Re15  1  0.246  0.321  0.910  1.0
  O  O16  1  0.028  0.853  0.341  1.0
  O  O17  1  0.528  0.147  0.159  1.0
  O  O18  1  0.972  0.147  0.659  1.0
  O  O19  1  0.472  0.853  0.841  1.0
  O  O20  1  0.028  0.186  0.173  1.0
  O  O21  1  0.528  0.814  0.327  1.0
  O  O22  1  0.972  0.814  0.827  1.0
  O  O23  1  0.472  0.186  0.673  1.0
  O  O24  1  0.304  0.475  0.980  1.0
  O  O25  1  0.804  0.525  0.520  1.0
  O  O26  1  0.696  0.525  0.020  1.0
  O  O27  1  0.196  0.475  0.480  1.0
  O  O28  1  0.948  0.379  0.912  1.0
  O  O29  1  0.448  0.621  0.588  1.0
  O  O30  1  0.052  0.621  0.088  1.0
  O  O31  1  0.552  0.379  0.412  1.0
  O  O32  1  0.957  0.249  0.404  1.0
  O  O33  1  0.457  0.751  0.096  1.0
  O  O34  1  0.043  0.751  0.596  1.0
  O  O35  1  0.543  0.249  0.904  1.0
  O  O36  1  0.205  0.531  0.288  1.0
  O  O37  1  0.705  0.469  0.212  1.0
  O  O38  1  0.795  0.469  0.712  1.0
  O  O39  1  0.295  0.531  0.788  1.0
  O  O40  1  0.304  0.088  0.519  1.0
  O  O41  1  0.804  0.912  0.981  1.0
  O  O42  1  0.696  0.912  0.481  1.0
  O  O43  1  0.196  0.088  0.019  1.0
  O  O44  1  0.352  0.168  0.330  1.0
  O  O45  1  0.852  0.832  0.170  1.0
  O  O46  1  0.648  0.832  0.670  1.0
  O  O47  1  0.148  0.168  0.830  1.0
[/CIF]
.
The material structure described by Gd3ReO8 crystallizes in the monoclinic P2_1/c space group. There are three inequivalent Gd sites. In the first Gd site, Gd(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(8), and two equivalent O(7) atoms. In the second Gd site, Gd(2) is bonded in a 8-coordinate geometry to one O(5), one O(6), one O(7), one O(8), two equivalent O(1), and two equivalent O(2) atoms. In the third Gd site, Gd(3) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(8), and two equivalent O(6) atoms. Re(1) is bonded in an octahedral geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(5) is bonded to one Gd(1), one Gd(2), one Gd(3), and one Re(1) atom to form distorted OGd3Re trigonal pyramids that share corners with two equivalent O(7)Gd3Re tetrahedra, corners with four equivalent O(1)Gd4 tetrahedra, corners with four equivalent O(2)Gd4 tetrahedra, and  an edgeedge with one O(7)Gd3Re tetrahedra. In the second O site, O(6) is bonded in a 4-coordinate geometry to one Gd(2), two equivalent Gd(3), and one Re(1) atom. In the third O site, O(7) is bonded to one Gd(2), two equivalent Gd(1), and one Re(1) atom to form distorted OGd3Re tetrahedra that share corners with two equivalent O(2)Gd4 tetrahedra, corners with four equivalent O(1)Gd4 tetrahedra, corners with two equivalent O(5)Gd3Re trigonal pyramids,  an edgeedge with one O(7)Gd3Re tetrahedra,  an edgeedge with one O(2)Gd4 tetrahedra, and  an edgeedge with one O(5)Gd3Re trigonal pyramid. In the fourth O site, O(8) is bonded in a 4-coordinate geometry to one Gd(1), one Gd(2), one Gd(3), and one Re(1) atom. In the fifth O site, O(1) is bonded to one Gd(1), one Gd(3), and two equivalent Gd(2) atoms to form distorted OGd4 tetrahedra that share corners with two equivalent O(1)Gd4 tetrahedra, corners with four equivalent O(7)Gd3Re tetrahedra, corners with four equivalent O(5)Gd3Re trigonal pyramids, and edges with three equivalent O(2)Gd4 tetrahedra. In the sixth O site, O(2) is bonded to one Gd(1), one Gd(3), and two equivalent Gd(2) atoms to form distorted OGd4 tetrahedra that share corners with two equivalent O(7)Gd3Re tetrahedra, corners with two equivalent O(2)Gd4 tetrahedra, corners with four equivalent O(5)Gd3Re trigonal pyramids,  an edgeedge with one O(7)Gd3Re tetrahedra, and edges with three equivalent O(1)Gd4 tetrahedra. In the seventh O site, O(3) is bonded in a distorted single-bond geometry to one Gd(1), one Gd(3), and one Re(1) atom. In the eighth O site, O(4) is bonded in a distorted trigonal planar geometry to one Gd(1), one Gd(3), and one Re(1) atom. is represented by the CIF file [CIF]
data_Gd3ReO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.106
_cell_length_b   7.371
_cell_length_c   14.733
_cell_angle_alpha   68.684
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   617.704
_cell_formula_units_Z   4
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  0.701  0.160  0.555  1.0
  Gd  Gd1  1  0.201  0.840  0.945  1.0
  Gd  Gd2  1  0.299  0.840  0.445  1.0
  Gd  Gd3  1  0.799  0.160  0.055  1.0
  Gd  Gd4  1  0.259  0.905  0.201  1.0
  Gd  Gd5  1  0.759  0.095  0.299  1.0
  Gd  Gd6  1  0.741  0.095  0.799  1.0
  Gd  Gd7  1  0.241  0.905  0.701  1.0
  Gd  Gd8  1  0.809  0.607  0.333  1.0
  Gd  Gd9  1  0.309  0.393  0.167  1.0
  Gd  Gd10  1  0.191  0.393  0.667  1.0
  Gd  Gd11  1  0.691  0.607  0.833  1.0
  Re  Re12  1  0.254  0.321  0.410  1.0
  Re  Re13  1  0.754  0.679  0.090  1.0
  Re  Re14  1  0.746  0.679  0.590  1.0
  Re  Re15  1  0.246  0.321  0.910  1.0
  O  O16  1  0.028  0.853  0.341  1.0
  O  O17  1  0.528  0.147  0.159  1.0
  O  O18  1  0.972  0.147  0.659  1.0
  O  O19  1  0.472  0.853  0.841  1.0
  O  O20  1  0.028  0.186  0.173  1.0
  O  O21  1  0.528  0.814  0.327  1.0
  O  O22  1  0.972  0.814  0.827  1.0
  O  O23  1  0.472  0.186  0.673  1.0
  O  O24  1  0.304  0.475  0.980  1.0
  O  O25  1  0.804  0.525  0.520  1.0
  O  O26  1  0.696  0.525  0.020  1.0
  O  O27  1  0.196  0.475  0.480  1.0
  O  O28  1  0.948  0.379  0.912  1.0
  O  O29  1  0.448  0.621  0.588  1.0
  O  O30  1  0.052  0.621  0.088  1.0
  O  O31  1  0.552  0.379  0.412  1.0
  O  O32  1  0.957  0.249  0.404  1.0
  O  O33  1  0.457  0.751  0.096  1.0
  O  O34  1  0.043  0.751  0.596  1.0
  O  O35  1  0.543  0.249  0.904  1.0
  O  O36  1  0.205  0.531  0.288  1.0
  O  O37  1  0.705  0.469  0.212  1.0
  O  O38  1  0.795  0.469  0.712  1.0
  O  O39  1  0.295  0.531  0.788  1.0
  O  O40  1  0.304  0.088  0.519  1.0
  O  O41  1  0.804  0.912  0.981  1.0
  O  O42  1  0.696  0.912  0.481  1.0
  O  O43  1  0.196  0.088  0.019  1.0
  O  O44  1  0.352  0.168  0.330  1.0
  O  O45  1  0.852  0.832  0.170  1.0
  O  O46  1  0.648  0.832  0.670  1.0
  O  O47  1  0.148  0.168  0.830  1.0
[/CIF]
.