The material described by Ho5Cu(WO4)8 crystallizes in the monoclinic C2 space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to one O(11), one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form distorted HoO7 pentagonal bipyramids that share  a cornercorner with one W(1)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  an edgeedge with one Ho(3)O6 octahedra,  an edgeedge with one W(1)O6 octahedra, and  an edgeedge with one Ho(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles range from 28-54°. In the second Ho site, Ho(2) is bonded to one O(1), one O(10), one O(12), one O(4), one O(5), one O(7), and one O(8) atom to form distorted HoO7 pentagonal bipyramids that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  an edgeedge with one W(2)O6 octahedra,  an edgeedge with one Ho(1)O7 pentagonal bipyramid, and  an edgeedge with one Cu(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 35-54°. In the third Ho site, Ho(3) is bonded to two equivalent O(16), two equivalent O(3), and two equivalent O(9) atoms to form distorted HoO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with four equivalent W(3)O6 octahedra, and edges with two equivalent Ho(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 47-61°. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(11), one O(7), one O(9), and two equivalent O(13) atoms to form distorted WO6 octahedra that share  a cornercorner with one Ho(3)O6 octahedra, corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Ho(1)O7 pentagonal bipyramid, corners with two equivalent Ho(2)O7 pentagonal bipyramids,  an edgeedge with one W(3)O6 octahedra, and  an edgeedge with one Ho(1)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles range from 13-60°. In the second W site, W(2) is bonded to one O(10), one O(12), one O(2), one O(8), and two equivalent O(14) atoms to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one Ho(2)O7 pentagonal bipyramid, corners with two equivalent Ho(1)O7 pentagonal bipyramids,  a cornercorner with one Cu(1)O6 pentagonal pyramid,  an edgeedge with one W(4)O6 octahedra, and  an edgeedge with one Ho(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 15°. In the third W site, W(3) is bonded to one O(1), one O(11), one O(15), one O(16), one O(3), and one O(5) atom to form distorted WO6 octahedra that share corners with two equivalent Ho(3)O6 octahedra, corners with two equivalent Ho(1)O7 pentagonal bipyramids, corners with two equivalent Ho(2)O7 pentagonal bipyramids,  a cornercorner with one Cu(1)O6 pentagonal pyramid,  an edgeedge with one W(1)O6 octahedra, and  an edgeedge with one W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-61°. In the fourth W site, W(4) is bonded to one O(12), one O(15), one O(16), one O(2), one O(4), and one O(6) atom to form distorted WO6 octahedra that share  a cornercorner with one Ho(3)O6 octahedra, corners with two equivalent Ho(1)O7 pentagonal bipyramids, corners with two equivalent Ho(2)O7 pentagonal bipyramids, corners with two equivalent Cu(1)O6 pentagonal pyramids,  an edgeedge with one W(2)O6 octahedra, and  an edgeedge with one W(3)O6 octahedra. The corner-sharing octahedral tilt angles are 47°. Cu(1) is bonded to two equivalent O(10), two equivalent O(15), and two equivalent O(4) atoms to form distorted CuO6 pentagonal pyramids that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with four equivalent W(4)O6 octahedra, and edges with two equivalent Ho(2)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 44-63°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Ho(2), one W(1), and one W(3) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Ho(1), one W(2), and one W(4) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ho(1), one Ho(3), and one W(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ho(2), one W(4), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Ho(2) and one W(3) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Ho(1) and one W(4) atom. In the seventh O site, O(7) is bonded in a trigonal non-coplanar geometry to one Ho(1), one Ho(2), and one W(1) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Ho(1), one Ho(2), and one W(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Ho(1), one Ho(3), and one W(1) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Ho(2), one W(2), and one Cu(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Ho(1), one W(1), and one W(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Ho(2), one W(2), and one W(4) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to two equivalent W(1) atoms. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to two equivalent W(2) atoms. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one W(3), one W(4), and one Cu(1) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Ho(3), one W(3), and one W(4) atom. is represented by the CIF file [CIF]
data_Ho5Cu(WO4)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.050
_cell_length_b   10.050
_cell_length_c   11.601
_cell_angle_alpha   70.240
_cell_angle_beta   70.240
_cell_angle_gamma   32.790
_symmetry_Int_Tables_number   1
_cell_volume   593.832
_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  0.530  0.174  0.709  1.0
  Ho  Ho1  1  0.826  0.470  0.291  1.0
  Ho  Ho2  1  0.475  0.818  0.797  1.0
  Ho  Ho3  1  0.182  0.525  0.203  1.0
  Ho  Ho4  1  0.308  0.692  0.500  1.0
  Cu  Cu5  1  0.704  0.296  0.000  1.0
  W  W6  1  0.932  0.691  0.536  1.0
  W  W7  1  0.309  0.068  0.464  1.0
  W  W8  1  0.065  0.313  0.962  1.0
  W  W9  1  0.687  0.935  0.038  1.0
  W  W10  1  0.756  0.130  0.337  1.0
  W  W11  1  0.870  0.244  0.663  1.0
  W  W12  1  0.243  0.871  0.153  1.0
  W  W13  1  0.129  0.757  0.847  1.0
  O  O14  1  0.961  0.776  0.355  1.0
  O  O15  1  0.224  0.039  0.645  1.0
  O  O16  1  0.035  0.229  0.142  1.0
  O  O17  1  0.771  0.965  0.858  1.0
  O  O18  1  0.639  0.390  0.368  1.0
  O  O19  1  0.610  0.361  0.632  1.0
  O  O20  1  0.350  0.616  0.137  1.0
  O  O21  1  0.384  0.650  0.863  1.0
  O  O22  1  0.472  0.286  0.328  1.0
  O  O23  1  0.714  0.528  0.672  1.0
  O  O24  1  0.523  0.715  0.176  1.0
  O  O25  1  0.285  0.477  0.824  1.0
  O  O26  1  0.742  0.792  0.691  1.0
  O  O27  1  0.208  0.258  0.309  1.0
  O  O28  1  0.264  0.204  0.807  1.0
  O  O29  1  0.796  0.736  0.193  1.0
  O  O30  1  0.221  0.521  0.573  1.0
  O  O31  1  0.479  0.779  0.427  1.0
  O  O32  1  0.786  0.482  0.920  1.0
  O  O33  1  0.518  0.214  0.080  1.0
  O  O34  1  0.779  0.013  0.520  1.0
  O  O35  1  0.987  0.221  0.480  1.0
  O  O36  1  0.234  0.979  0.978  1.0
  O  O37  1  0.021  0.766  0.022  1.0
  O  O38  1  0.075  0.415  0.515  1.0
  O  O39  1  0.585  0.925  0.485  1.0
  O  O40  1  0.931  0.582  0.986  1.0
  O  O41  1  0.418  0.069  0.014  1.0
  O  O42  1  0.868  0.104  0.165  1.0
  O  O43  1  0.896  0.132  0.835  1.0
  O  O44  1  0.120  0.910  0.330  1.0
  O  O45  1  0.090  0.880  0.670  1.0
[/CIF]
.
The material described by Ho5Cu(WO4)8 crystallizes in the monoclinic C2 space group. There are three inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to one O(11), one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form distorted HoO7 pentagonal bipyramids that share  a cornercorner with one W(1)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  an edgeedge with one Ho(3)O6 octahedra,  an edgeedge with one W(1)O6 octahedra, and  an edgeedge with one Ho(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles range from 28-54°. In the second Ho site, Ho(2) is bonded to one O(1), one O(10), one O(12), one O(4), one O(5), one O(7), and one O(8) atom to form distorted HoO7 pentagonal bipyramids that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  an edgeedge with one W(2)O6 octahedra,  an edgeedge with one Ho(1)O7 pentagonal bipyramid, and  an edgeedge with one Cu(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 35-54°. In the third Ho site, Ho(3) is bonded to two equivalent O(16), two equivalent O(3), and two equivalent O(9) atoms to form distorted HoO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with four equivalent W(3)O6 octahedra, and edges with two equivalent Ho(1)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 47-61°. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(11), one O(7), one O(9), and two equivalent O(13) atoms to form distorted WO6 octahedra that share  a cornercorner with one Ho(3)O6 octahedra, corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Ho(1)O7 pentagonal bipyramid, corners with two equivalent Ho(2)O7 pentagonal bipyramids,  an edgeedge with one W(3)O6 octahedra, and  an edgeedge with one Ho(1)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles range from 13-60°. In the second W site, W(2) is bonded to one O(10), one O(12), one O(2), one O(8), and two equivalent O(14) atoms to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  a cornercorner with one Ho(2)O7 pentagonal bipyramid, corners with two equivalent Ho(1)O7 pentagonal bipyramids,  a cornercorner with one Cu(1)O6 pentagonal pyramid,  an edgeedge with one W(4)O6 octahedra, and  an edgeedge with one Ho(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 15°. In the third W site, W(3) is bonded to one O(1), one O(11), one O(15), one O(16), one O(3), and one O(5) atom to form distorted WO6 octahedra that share corners with two equivalent Ho(3)O6 octahedra, corners with two equivalent Ho(1)O7 pentagonal bipyramids, corners with two equivalent Ho(2)O7 pentagonal bipyramids,  a cornercorner with one Cu(1)O6 pentagonal pyramid,  an edgeedge with one W(1)O6 octahedra, and  an edgeedge with one W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-61°. In the fourth W site, W(4) is bonded to one O(12), one O(15), one O(16), one O(2), one O(4), and one O(6) atom to form distorted WO6 octahedra that share  a cornercorner with one Ho(3)O6 octahedra, corners with two equivalent Ho(1)O7 pentagonal bipyramids, corners with two equivalent Ho(2)O7 pentagonal bipyramids, corners with two equivalent Cu(1)O6 pentagonal pyramids,  an edgeedge with one W(2)O6 octahedra, and  an edgeedge with one W(3)O6 octahedra. The corner-sharing octahedral tilt angles are 47°. Cu(1) is bonded to two equivalent O(10), two equivalent O(15), and two equivalent O(4) atoms to form distorted CuO6 pentagonal pyramids that share corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with four equivalent W(4)O6 octahedra, and edges with two equivalent Ho(2)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 44-63°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Ho(2), one W(1), and one W(3) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Ho(1), one W(2), and one W(4) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ho(1), one Ho(3), and one W(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ho(2), one W(4), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Ho(2) and one W(3) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Ho(1) and one W(4) atom. In the seventh O site, O(7) is bonded in a trigonal non-coplanar geometry to one Ho(1), one Ho(2), and one W(1) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Ho(1), one Ho(2), and one W(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Ho(1), one Ho(3), and one W(1) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Ho(2), one W(2), and one Cu(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Ho(1), one W(1), and one W(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Ho(2), one W(2), and one W(4) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to two equivalent W(1) atoms. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to two equivalent W(2) atoms. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one W(3), one W(4), and one Cu(1) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Ho(3), one W(3), and one W(4) atom. is represented by the CIF file [CIF]
data_Ho5Cu(WO4)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.050
_cell_length_b   10.050
_cell_length_c   11.601
_cell_angle_alpha   70.240
_cell_angle_beta   70.240
_cell_angle_gamma   32.790
_symmetry_Int_Tables_number   1
_cell_volume   593.832
_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  0.530  0.174  0.709  1.0
  Ho  Ho1  1  0.826  0.470  0.291  1.0
  Ho  Ho2  1  0.475  0.818  0.797  1.0
  Ho  Ho3  1  0.182  0.525  0.203  1.0
  Ho  Ho4  1  0.308  0.692  0.500  1.0
  Cu  Cu5  1  0.704  0.296  0.000  1.0
  W  W6  1  0.932  0.691  0.536  1.0
  W  W7  1  0.309  0.068  0.464  1.0
  W  W8  1  0.065  0.313  0.962  1.0
  W  W9  1  0.687  0.935  0.038  1.0
  W  W10  1  0.756  0.130  0.337  1.0
  W  W11  1  0.870  0.244  0.663  1.0
  W  W12  1  0.243  0.871  0.153  1.0
  W  W13  1  0.129  0.757  0.847  1.0
  O  O14  1  0.961  0.776  0.355  1.0
  O  O15  1  0.224  0.039  0.645  1.0
  O  O16  1  0.035  0.229  0.142  1.0
  O  O17  1  0.771  0.965  0.858  1.0
  O  O18  1  0.639  0.390  0.368  1.0
  O  O19  1  0.610  0.361  0.632  1.0
  O  O20  1  0.350  0.616  0.137  1.0
  O  O21  1  0.384  0.650  0.863  1.0
  O  O22  1  0.472  0.286  0.328  1.0
  O  O23  1  0.714  0.528  0.672  1.0
  O  O24  1  0.523  0.715  0.176  1.0
  O  O25  1  0.285  0.477  0.824  1.0
  O  O26  1  0.742  0.792  0.691  1.0
  O  O27  1  0.208  0.258  0.309  1.0
  O  O28  1  0.264  0.204  0.807  1.0
  O  O29  1  0.796  0.736  0.193  1.0
  O  O30  1  0.221  0.521  0.573  1.0
  O  O31  1  0.479  0.779  0.427  1.0
  O  O32  1  0.786  0.482  0.920  1.0
  O  O33  1  0.518  0.214  0.080  1.0
  O  O34  1  0.779  0.013  0.520  1.0
  O  O35  1  0.987  0.221  0.480  1.0
  O  O36  1  0.234  0.979  0.978  1.0
  O  O37  1  0.021  0.766  0.022  1.0
  O  O38  1  0.075  0.415  0.515  1.0
  O  O39  1  0.585  0.925  0.485  1.0
  O  O40  1  0.931  0.582  0.986  1.0
  O  O41  1  0.418  0.069  0.014  1.0
  O  O42  1  0.868  0.104  0.165  1.0
  O  O43  1  0.896  0.132  0.835  1.0
  O  O44  1  0.120  0.910  0.330  1.0
  O  O45  1  0.090  0.880  0.670  1.0
[/CIF]
.