The crystal structure described by Ho5(ReO6)2 crystallizes in the monoclinic C2 space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 7-coordinate geometry to one O(1), one O(5), one O(6), two equivalent O(3), and two equivalent O(4) atoms. In the second Ho site, Ho(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form HoO6 octahedra that share corners with two equivalent Re(1)O6 octahedra, corners with two equivalent Re(2)O6 octahedra, corners with four equivalent Ho(3)O7 pentagonal bipyramids, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 37-39°. In the third Ho site, Ho(3) is bonded to one O(1), one O(3), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted HoO7 pentagonal bipyramids that share corners with two equivalent Ho(2)O6 octahedra,  an edgeedge with one Ho(2)O6 octahedra,  an edgeedge with one Re(1)O6 octahedra,  an edgeedge with one Re(2)O6 octahedra, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 55-57°. 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 Ho(2)O6 octahedra, edges with two equivalent Re(2)O6 octahedra, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 39°. In the second Re site, Re(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form ReO6 octahedra that share corners with two equivalent Ho(2)O6 octahedra, edges with two equivalent Re(1)O6 octahedra, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 37°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ho(1), one Ho(3), one Re(1), and one Re(2) atom to form distorted OHo2Re2 trigonal pyramids that share  a cornercorner with one O(3)Ho3Re tetrahedra,  a cornercorner with one O(4)Ho3Re tetrahedra, corners with three equivalent O(5)Ho4 tetrahedra, corners with three equivalent O(6)Ho4 tetrahedra, edges with two equivalent O(3)Ho3Re tetrahedra, edges with two equivalent O(4)Ho3Re tetrahedra, and  an edgeedge with one O(1)Ho2Re2 trigonal pyramid. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ho(2), one Re(1), and one Re(2) atom. In the third O site, O(3) is bonded to one Ho(3), two equivalent Ho(1), and one Re(2) atom to form distorted OHo3Re tetrahedra that share  a cornercorner with one O(4)Ho3Re tetrahedra, corners with two equivalent O(6)Ho4 tetrahedra, corners with three equivalent O(3)Ho3Re tetrahedra, corners with four equivalent O(5)Ho4 tetrahedra,  a cornercorner with one O(1)Ho2Re2 trigonal pyramid,  an edgeedge with one O(6)Ho4 tetrahedra, edges with two equivalent O(4)Ho3Re tetrahedra, and edges with two equivalent O(1)Ho2Re2 trigonal pyramids. In the fourth O site, O(4) is bonded to one Ho(3), two equivalent Ho(1), and one Re(1) atom to form distorted OHo3Re tetrahedra that share  a cornercorner with one O(3)Ho3Re tetrahedra, corners with two equivalent O(5)Ho4 tetrahedra, corners with three equivalent O(4)Ho3Re tetrahedra, corners with four equivalent O(6)Ho4 tetrahedra,  a cornercorner with one O(1)Ho2Re2 trigonal pyramid,  an edgeedge with one O(5)Ho4 tetrahedra, edges with two equivalent O(3)Ho3Re tetrahedra, and edges with two equivalent O(1)Ho2Re2 trigonal pyramids. In the fifth O site, O(5) is bonded to one Ho(1), one Ho(2), and two equivalent Ho(3) atoms to form OHo4 tetrahedra that share  a cornercorner with one O(6)Ho4 tetrahedra, corners with two equivalent O(4)Ho3Re tetrahedra, corners with three equivalent O(5)Ho4 tetrahedra, corners with four equivalent O(3)Ho3Re tetrahedra, corners with three equivalent O(1)Ho2Re2 trigonal pyramids,  an edgeedge with one O(4)Ho3Re tetrahedra, and edges with three equivalent O(6)Ho4 tetrahedra. In the sixth O site, O(6) is bonded to one Ho(1), one Ho(2), and two equivalent Ho(3) atoms to form OHo4 tetrahedra that share  a cornercorner with one O(5)Ho4 tetrahedra, corners with two equivalent O(3)Ho3Re tetrahedra, corners with three equivalent O(6)Ho4 tetrahedra, corners with four equivalent O(4)Ho3Re tetrahedra, corners with three equivalent O(1)Ho2Re2 trigonal pyramids,  an edgeedge with one O(3)Ho3Re tetrahedra, and edges with three equivalent O(5)Ho4 tetrahedra. is represented by the CIF file [CIF]
data_Ho5(ReO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.769
_cell_length_b   6.769
_cell_length_c   7.464
_cell_angle_alpha   73.725
_cell_angle_beta   73.725
_cell_angle_gamma   49.049
_symmetry_Int_Tables_number   1
_cell_volume   245.714
_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
  Ho  Ho0  1  0.314  0.314  0.824  1.0
  Ho  Ho1  1  0.686  0.686  0.176  1.0
  Ho  Ho2  1  0.998  0.002  0.500  1.0
  Ho  Ho3  1  0.694  0.700  0.641  1.0
  Ho  Ho4  1  0.300  0.306  0.359  1.0
  Re  Re5  1  0.217  0.783  0.000  1.0
  Re  Re6  1  0.787  0.213  0.000  1.0
  O  O7  1  0.502  0.497  0.179  1.0
  O  O8  1  0.503  0.498  0.821  1.0
  O  O9  1  1.000  0.004  0.207  1.0
  O  O10  1  0.996  0.000  0.793  1.0
  O  O11  1  0.913  0.415  0.914  1.0
  O  O12  1  0.585  0.087  0.086  1.0
  O  O13  1  0.088  0.576  0.085  1.0
  O  O14  1  0.593  0.100  0.572  1.0
  O  O15  1  0.900  0.407  0.428  1.0
  O  O16  1  0.405  0.904  0.425  1.0
  O  O17  1  0.096  0.595  0.575  1.0
  O  O18  1  0.424  0.912  0.915  1.0
[/CIF]
.
The crystal structure described by Ho5(ReO6)2 crystallizes in the monoclinic C2 space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 7-coordinate geometry to one O(1), one O(5), one O(6), two equivalent O(3), and two equivalent O(4) atoms. In the second Ho site, Ho(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form HoO6 octahedra that share corners with two equivalent Re(1)O6 octahedra, corners with two equivalent Re(2)O6 octahedra, corners with four equivalent Ho(3)O7 pentagonal bipyramids, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 37-39°. In the third Ho site, Ho(3) is bonded to one O(1), one O(3), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted HoO7 pentagonal bipyramids that share corners with two equivalent Ho(2)O6 octahedra,  an edgeedge with one Ho(2)O6 octahedra,  an edgeedge with one Re(1)O6 octahedra,  an edgeedge with one Re(2)O6 octahedra, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 55-57°. 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 Ho(2)O6 octahedra, edges with two equivalent Re(2)O6 octahedra, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 39°. In the second Re site, Re(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form ReO6 octahedra that share corners with two equivalent Ho(2)O6 octahedra, edges with two equivalent Re(1)O6 octahedra, and edges with two equivalent Ho(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 37°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ho(1), one Ho(3), one Re(1), and one Re(2) atom to form distorted OHo2Re2 trigonal pyramids that share  a cornercorner with one O(3)Ho3Re tetrahedra,  a cornercorner with one O(4)Ho3Re tetrahedra, corners with three equivalent O(5)Ho4 tetrahedra, corners with three equivalent O(6)Ho4 tetrahedra, edges with two equivalent O(3)Ho3Re tetrahedra, edges with two equivalent O(4)Ho3Re tetrahedra, and  an edgeedge with one O(1)Ho2Re2 trigonal pyramid. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ho(2), one Re(1), and one Re(2) atom. In the third O site, O(3) is bonded to one Ho(3), two equivalent Ho(1), and one Re(2) atom to form distorted OHo3Re tetrahedra that share  a cornercorner with one O(4)Ho3Re tetrahedra, corners with two equivalent O(6)Ho4 tetrahedra, corners with three equivalent O(3)Ho3Re tetrahedra, corners with four equivalent O(5)Ho4 tetrahedra,  a cornercorner with one O(1)Ho2Re2 trigonal pyramid,  an edgeedge with one O(6)Ho4 tetrahedra, edges with two equivalent O(4)Ho3Re tetrahedra, and edges with two equivalent O(1)Ho2Re2 trigonal pyramids. In the fourth O site, O(4) is bonded to one Ho(3), two equivalent Ho(1), and one Re(1) atom to form distorted OHo3Re tetrahedra that share  a cornercorner with one O(3)Ho3Re tetrahedra, corners with two equivalent O(5)Ho4 tetrahedra, corners with three equivalent O(4)Ho3Re tetrahedra, corners with four equivalent O(6)Ho4 tetrahedra,  a cornercorner with one O(1)Ho2Re2 trigonal pyramid,  an edgeedge with one O(5)Ho4 tetrahedra, edges with two equivalent O(3)Ho3Re tetrahedra, and edges with two equivalent O(1)Ho2Re2 trigonal pyramids. In the fifth O site, O(5) is bonded to one Ho(1), one Ho(2), and two equivalent Ho(3) atoms to form OHo4 tetrahedra that share  a cornercorner with one O(6)Ho4 tetrahedra, corners with two equivalent O(4)Ho3Re tetrahedra, corners with three equivalent O(5)Ho4 tetrahedra, corners with four equivalent O(3)Ho3Re tetrahedra, corners with three equivalent O(1)Ho2Re2 trigonal pyramids,  an edgeedge with one O(4)Ho3Re tetrahedra, and edges with three equivalent O(6)Ho4 tetrahedra. In the sixth O site, O(6) is bonded to one Ho(1), one Ho(2), and two equivalent Ho(3) atoms to form OHo4 tetrahedra that share  a cornercorner with one O(5)Ho4 tetrahedra, corners with two equivalent O(3)Ho3Re tetrahedra, corners with three equivalent O(6)Ho4 tetrahedra, corners with four equivalent O(4)Ho3Re tetrahedra, corners with three equivalent O(1)Ho2Re2 trigonal pyramids,  an edgeedge with one O(3)Ho3Re tetrahedra, and edges with three equivalent O(5)Ho4 tetrahedra. is represented by the CIF file [CIF]
data_Ho5(ReO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.769
_cell_length_b   6.769
_cell_length_c   7.464
_cell_angle_alpha   73.725
_cell_angle_beta   73.725
_cell_angle_gamma   49.049
_symmetry_Int_Tables_number   1
_cell_volume   245.714
_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
  Ho  Ho0  1  0.314  0.314  0.824  1.0
  Ho  Ho1  1  0.686  0.686  0.176  1.0
  Ho  Ho2  1  0.998  0.002  0.500  1.0
  Ho  Ho3  1  0.694  0.700  0.641  1.0
  Ho  Ho4  1  0.300  0.306  0.359  1.0
  Re  Re5  1  0.217  0.783  0.000  1.0
  Re  Re6  1  0.787  0.213  0.000  1.0
  O  O7  1  0.502  0.497  0.179  1.0
  O  O8  1  0.503  0.498  0.821  1.0
  O  O9  1  1.000  0.004  0.207  1.0
  O  O10  1  0.996  0.000  0.793  1.0
  O  O11  1  0.913  0.415  0.914  1.0
  O  O12  1  0.585  0.087  0.086  1.0
  O  O13  1  0.088  0.576  0.085  1.0
  O  O14  1  0.593  0.100  0.572  1.0
  O  O15  1  0.900  0.407  0.428  1.0
  O  O16  1  0.405  0.904  0.425  1.0
  O  O17  1  0.096  0.595  0.575  1.0
  O  O18  1  0.424  0.912  0.915  1.0
[/CIF]
.