The material described by Tb5(ReO6)2 crystallizes in the monoclinic C2 space group. There are three inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to one O(2), one O(3), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted TbO7 pentagonal bipyramids that share corners with two equivalent Tb(3)O6 octahedra,  an edgeedge with one Tb(3)O6 octahedra,  an edgeedge with one Re(1)O6 octahedra,  an edgeedge with one Re(2)O6 octahedra, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 56-57°. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. In the third Tb site, Tb(3) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(6) atoms to form TbO6 octahedra that share corners with two equivalent Re(1)O6 octahedra, corners with two equivalent Re(2)O6 octahedra, corners with four equivalent Tb(1)O7 pentagonal bipyramids, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 37-39°. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form ReO6 octahedra that share corners with two equivalent Tb(3)O6 octahedra, edges with two equivalent Re(2)O6 octahedra, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 37°. In the second Re site, Re(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form ReO6 octahedra that share corners with two equivalent Tb(3)O6 octahedra, edges with two equivalent Re(1)O6 octahedra, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 39°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Tb(3), one Re(1), and one Re(2) atom. In the second O site, O(2) is bonded to one Tb(1), two equivalent Tb(2), and one Re(1) atom to form distorted OTb3Re tetrahedra that share  a cornercorner with one O(4)Tb2Re2 tetrahedra,  a cornercorner with one O(3)Tb3Re tetrahedra, corners with two equivalent O(5)Tb4 tetrahedra, corners with three equivalent O(2)Tb3Re tetrahedra, corners with four equivalent O(6)Tb4 tetrahedra,  an edgeedge with one O(5)Tb4 tetrahedra, edges with two equivalent O(4)Tb2Re2 tetrahedra, and edges with two equivalent O(3)Tb3Re tetrahedra. In the third O site, O(3) is bonded to one Tb(1), two equivalent Tb(2), and one Re(2) atom to form distorted OTb3Re tetrahedra that share  a cornercorner with one O(4)Tb2Re2 tetrahedra,  a cornercorner with one O(2)Tb3Re tetrahedra, corners with two equivalent O(6)Tb4 tetrahedra, corners with three equivalent O(3)Tb3Re tetrahedra, corners with four equivalent O(5)Tb4 tetrahedra,  an edgeedge with one O(6)Tb4 tetrahedra, edges with two equivalent O(4)Tb2Re2 tetrahedra, and edges with two equivalent O(2)Tb3Re tetrahedra. In the fourth O site, O(4) is bonded to one Tb(1), one Tb(2), one Re(1), and one Re(2) atom to form distorted OTb2Re2 tetrahedra that share  a cornercorner with one O(2)Tb3Re tetrahedra,  a cornercorner with one O(3)Tb3Re tetrahedra, corners with three equivalent O(5)Tb4 tetrahedra, corners with three equivalent O(6)Tb4 tetrahedra,  an edgeedge with one O(4)Tb2Re2 tetrahedra, edges with two equivalent O(2)Tb3Re tetrahedra, and edges with two equivalent O(3)Tb3Re tetrahedra. In the fifth O site, O(5) is bonded to one Tb(2), one Tb(3), and two equivalent Tb(1) atoms to form OTb4 tetrahedra that share  a cornercorner with one O(6)Tb4 tetrahedra, corners with two equivalent O(2)Tb3Re tetrahedra, corners with three equivalent O(4)Tb2Re2 tetrahedra, corners with three equivalent O(5)Tb4 tetrahedra, corners with four equivalent O(3)Tb3Re tetrahedra,  an edgeedge with one O(2)Tb3Re tetrahedra, and edges with three equivalent O(6)Tb4 tetrahedra. In the sixth O site, O(6) is bonded to one Tb(2), one Tb(3), and two equivalent Tb(1) atoms to form OTb4 tetrahedra that share  a cornercorner with one O(5)Tb4 tetrahedra, corners with two equivalent O(3)Tb3Re tetrahedra, corners with three equivalent O(4)Tb2Re2 tetrahedra, corners with three equivalent O(6)Tb4 tetrahedra, corners with four equivalent O(2)Tb3Re tetrahedra,  an edgeedge with one O(3)Tb3Re tetrahedra, and edges with three equivalent O(5)Tb4 tetrahedra. is represented by the CIF file [CIF]
data_Tb5(ReO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.834
_cell_length_b   6.834
_cell_length_c   7.542
_cell_angle_alpha   73.712
_cell_angle_beta   73.712
_cell_angle_gamma   48.867
_symmetry_Int_Tables_number   1
_cell_volume   252.405
_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
  Tb  Tb0  1  0.693  0.699  0.642  1.0
  Tb  Tb1  1  0.301  0.307  0.358  1.0
  Tb  Tb2  1  0.686  0.686  0.175  1.0
  Tb  Tb3  1  0.314  0.314  0.825  1.0
  Tb  Tb4  1  0.998  0.002  0.500  1.0
  Re  Re5  1  0.787  0.213  0.000  1.0
  Re  Re6  1  0.217  0.783  0.000  1.0
  O  O7  1  0.998  0.004  0.206  1.0
  O  O8  1  0.996  0.002  0.794  1.0
  O  O9  1  0.587  0.087  0.084  1.0
  O  O10  1  0.421  0.912  0.917  1.0
  O  O11  1  0.913  0.413  0.916  1.0
  O  O12  1  0.088  0.579  0.083  1.0
  O  O13  1  0.501  0.497  0.176  1.0
  O  O14  1  0.503  0.499  0.824  1.0
  O  O15  1  0.406  0.904  0.424  1.0
  O  O16  1  0.593  0.100  0.573  1.0
  O  O17  1  0.096  0.594  0.576  1.0
  O  O18  1  0.900  0.407  0.427  1.0
[/CIF]
.
The material described by Tb5(ReO6)2 crystallizes in the monoclinic C2 space group. There are three inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to one O(2), one O(3), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted TbO7 pentagonal bipyramids that share corners with two equivalent Tb(3)O6 octahedra,  an edgeedge with one Tb(3)O6 octahedra,  an edgeedge with one Re(1)O6 octahedra,  an edgeedge with one Re(2)O6 octahedra, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 56-57°. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. In the third Tb site, Tb(3) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(6) atoms to form TbO6 octahedra that share corners with two equivalent Re(1)O6 octahedra, corners with two equivalent Re(2)O6 octahedra, corners with four equivalent Tb(1)O7 pentagonal bipyramids, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 37-39°. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form ReO6 octahedra that share corners with two equivalent Tb(3)O6 octahedra, edges with two equivalent Re(2)O6 octahedra, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 37°. In the second Re site, Re(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form ReO6 octahedra that share corners with two equivalent Tb(3)O6 octahedra, edges with two equivalent Re(1)O6 octahedra, and edges with two equivalent Tb(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 39°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Tb(3), one Re(1), and one Re(2) atom. In the second O site, O(2) is bonded to one Tb(1), two equivalent Tb(2), and one Re(1) atom to form distorted OTb3Re tetrahedra that share  a cornercorner with one O(4)Tb2Re2 tetrahedra,  a cornercorner with one O(3)Tb3Re tetrahedra, corners with two equivalent O(5)Tb4 tetrahedra, corners with three equivalent O(2)Tb3Re tetrahedra, corners with four equivalent O(6)Tb4 tetrahedra,  an edgeedge with one O(5)Tb4 tetrahedra, edges with two equivalent O(4)Tb2Re2 tetrahedra, and edges with two equivalent O(3)Tb3Re tetrahedra. In the third O site, O(3) is bonded to one Tb(1), two equivalent Tb(2), and one Re(2) atom to form distorted OTb3Re tetrahedra that share  a cornercorner with one O(4)Tb2Re2 tetrahedra,  a cornercorner with one O(2)Tb3Re tetrahedra, corners with two equivalent O(6)Tb4 tetrahedra, corners with three equivalent O(3)Tb3Re tetrahedra, corners with four equivalent O(5)Tb4 tetrahedra,  an edgeedge with one O(6)Tb4 tetrahedra, edges with two equivalent O(4)Tb2Re2 tetrahedra, and edges with two equivalent O(2)Tb3Re tetrahedra. In the fourth O site, O(4) is bonded to one Tb(1), one Tb(2), one Re(1), and one Re(2) atom to form distorted OTb2Re2 tetrahedra that share  a cornercorner with one O(2)Tb3Re tetrahedra,  a cornercorner with one O(3)Tb3Re tetrahedra, corners with three equivalent O(5)Tb4 tetrahedra, corners with three equivalent O(6)Tb4 tetrahedra,  an edgeedge with one O(4)Tb2Re2 tetrahedra, edges with two equivalent O(2)Tb3Re tetrahedra, and edges with two equivalent O(3)Tb3Re tetrahedra. In the fifth O site, O(5) is bonded to one Tb(2), one Tb(3), and two equivalent Tb(1) atoms to form OTb4 tetrahedra that share  a cornercorner with one O(6)Tb4 tetrahedra, corners with two equivalent O(2)Tb3Re tetrahedra, corners with three equivalent O(4)Tb2Re2 tetrahedra, corners with three equivalent O(5)Tb4 tetrahedra, corners with four equivalent O(3)Tb3Re tetrahedra,  an edgeedge with one O(2)Tb3Re tetrahedra, and edges with three equivalent O(6)Tb4 tetrahedra. In the sixth O site, O(6) is bonded to one Tb(2), one Tb(3), and two equivalent Tb(1) atoms to form OTb4 tetrahedra that share  a cornercorner with one O(5)Tb4 tetrahedra, corners with two equivalent O(3)Tb3Re tetrahedra, corners with three equivalent O(4)Tb2Re2 tetrahedra, corners with three equivalent O(6)Tb4 tetrahedra, corners with four equivalent O(2)Tb3Re tetrahedra,  an edgeedge with one O(3)Tb3Re tetrahedra, and edges with three equivalent O(5)Tb4 tetrahedra. is represented by the CIF file [CIF]
data_Tb5(ReO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.834
_cell_length_b   6.834
_cell_length_c   7.542
_cell_angle_alpha   73.712
_cell_angle_beta   73.712
_cell_angle_gamma   48.867
_symmetry_Int_Tables_number   1
_cell_volume   252.405
_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
  Tb  Tb0  1  0.693  0.699  0.642  1.0
  Tb  Tb1  1  0.301  0.307  0.358  1.0
  Tb  Tb2  1  0.686  0.686  0.175  1.0
  Tb  Tb3  1  0.314  0.314  0.825  1.0
  Tb  Tb4  1  0.998  0.002  0.500  1.0
  Re  Re5  1  0.787  0.213  0.000  1.0
  Re  Re6  1  0.217  0.783  0.000  1.0
  O  O7  1  0.998  0.004  0.206  1.0
  O  O8  1  0.996  0.002  0.794  1.0
  O  O9  1  0.587  0.087  0.084  1.0
  O  O10  1  0.421  0.912  0.917  1.0
  O  O11  1  0.913  0.413  0.916  1.0
  O  O12  1  0.088  0.579  0.083  1.0
  O  O13  1  0.501  0.497  0.176  1.0
  O  O14  1  0.503  0.499  0.824  1.0
  O  O15  1  0.406  0.904  0.424  1.0
  O  O16  1  0.593  0.100  0.573  1.0
  O  O17  1  0.096  0.594  0.576  1.0
  O  O18  1  0.900  0.407  0.427  1.0
[/CIF]
.