The structure described by UPr10S16 crystallizes in the tetragonal P-4 space group. U(1) is bonded to four equivalent S(2) and four equivalent S(4) atoms to form distorted US8 hexagonal bipyramids that share corners with four equivalent Pr(3)S8 hexagonal bipyramids, edges with four equivalent Pr(2)S8 hexagonal bipyramids, and faces with four equivalent Pr(3)S8 hexagonal bipyramids. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one S(1), one S(4), three equivalent S(2), and three equivalent S(3) atoms. In the second Pr site, Pr(2) is bonded to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms to form distorted PrS8 hexagonal bipyramids that share corners with four equivalent Pr(3)S8 hexagonal bipyramids, edges with two equivalent U(1)S8 hexagonal bipyramids, and faces with four equivalent Pr(3)S8 hexagonal bipyramids. In the third Pr site, Pr(3) is bonded to one S(2), one S(3), three equivalent S(1), and three equivalent S(4) atoms to form distorted PrS8 hexagonal bipyramids that share  a cornercorner with one U(1)S8 hexagonal bipyramid, corners with two equivalent Pr(2)S8 hexagonal bipyramids, corners with two equivalent Pr(3)S8 hexagonal bipyramids, edges with two equivalent Pr(3)S8 hexagonal bipyramids,  a faceface with one U(1)S8 hexagonal bipyramid, faces with two equivalent Pr(2)S8 hexagonal bipyramids, and faces with two equivalent Pr(3)S8 hexagonal bipyramids. There are four inequivalent S sites. In the first S site, S(1) is bonded to one Pr(1), one Pr(2), and three equivalent Pr(3) atoms to form SPr5 square pyramids that share corners with four equivalent S(2)Pr5U octahedra, corners with four equivalent S(4)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids, corners with four equivalent S(3)Pr5 trigonal bipyramids,  an edgeedge with one S(4)Pr5U octahedra, edges with two equivalent S(2)Pr5U octahedra, edges with two equivalent S(3)Pr5 trigonal bipyramids, faces with two equivalent S(4)Pr5U octahedra, and  a faceface with one S(1)Pr5 square pyramid. The corner-sharing octahedral tilt angles range from 12-53°. In the second S site, S(2) is bonded to one U(1), one Pr(2), one Pr(3), and three equivalent Pr(1) atoms to form distorted SPr5U octahedra that share corners with three equivalent S(2)Pr5U octahedra, corners with four equivalent S(4)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids, corners with four equivalent S(3)Pr5 trigonal bipyramids,  an edgeedge with one S(4)Pr5U octahedra, edges with two equivalent S(2)Pr5U octahedra, edges with two equivalent S(1)Pr5 square pyramids,  an edgeedge with one S(3)Pr5 trigonal bipyramid,  a faceface with one S(2)Pr5U octahedra, faces with two equivalent S(4)Pr5U octahedra, and faces with two equivalent S(3)Pr5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 18-50°. In the third S site, S(3) is bonded to one Pr(2), one Pr(3), and three equivalent Pr(1) atoms to form SPr5 trigonal bipyramids that share corners with four equivalent S(2)Pr5U octahedra, corners with four equivalent S(4)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids,  a cornercorner with one S(3)Pr5 trigonal bipyramid,  an edgeedge with one S(2)Pr5U octahedra, edges with two equivalent S(4)Pr5U octahedra, edges with two equivalent S(1)Pr5 square pyramids, edges with three equivalent S(3)Pr5 trigonal bipyramids, and faces with two equivalent S(2)Pr5U octahedra. The corner-sharing octahedral tilt angles range from 21-53°. In the fourth S site, S(4) is bonded to one U(1), one Pr(1), one Pr(2), and three equivalent Pr(3) atoms to form distorted SPr5U octahedra that share corners with three equivalent S(4)Pr5U octahedra, corners with four equivalent S(2)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids, corners with four equivalent S(3)Pr5 trigonal bipyramids,  an edgeedge with one S(2)Pr5U octahedra, edges with two equivalent S(4)Pr5U octahedra,  an edgeedge with one S(1)Pr5 square pyramid, edges with two equivalent S(3)Pr5 trigonal bipyramids,  a faceface with one S(4)Pr5U octahedra, faces with two equivalent S(2)Pr5U octahedra, and faces with two equivalent S(1)Pr5 square pyramids. The corner-sharing octahedral tilt angles range from 16-50°. is represented by the CIF card [CIF]
data_Pr10US16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.637
_cell_length_b   8.637
_cell_length_c   8.584
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   640.306
_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
  Pr  Pr0  1  0.244  0.876  0.139  1.0
  Pr  Pr1  1  0.500  0.000  0.751  1.0
  Pr  Pr2  1  0.124  0.244  0.861  1.0
  Pr  Pr3  1  0.756  0.124  0.139  1.0
  Pr  Pr4  1  0.367  0.244  0.379  1.0
  Pr  Pr5  1  0.756  0.367  0.621  1.0
  Pr  Pr6  1  0.000  0.500  0.249  1.0
  Pr  Pr7  1  0.633  0.756  0.379  1.0
  Pr  Pr8  1  0.244  0.633  0.621  1.0
  Pr  Pr9  1  0.876  0.756  0.861  1.0
  U  U10  1  0.500  0.500  0.000  1.0
  S  S11  1  0.334  0.920  0.457  1.0
  S  S12  1  0.568  0.819  0.052  1.0
  S  S13  1  0.922  0.818  0.185  1.0
  S  S14  1  0.432  0.181  0.052  1.0
  S  S15  1  0.078  0.182  0.185  1.0
  S  S16  1  0.182  0.922  0.815  1.0
  S  S17  1  0.666  0.080  0.457  1.0
  S  S18  1  0.818  0.078  0.815  1.0
  S  S19  1  0.819  0.432  0.948  1.0
  S  S20  1  0.080  0.334  0.543  1.0
  S  S21  1  0.426  0.328  0.704  1.0
  S  S22  1  0.920  0.666  0.543  1.0
  S  S23  1  0.574  0.672  0.704  1.0
  S  S24  1  0.672  0.426  0.296  1.0
  S  S25  1  0.181  0.568  0.948  1.0
  S  S26  1  0.328  0.574  0.296  1.0
[/CIF]
.
The structure described by UPr10S16 crystallizes in the tetragonal P-4 space group. U(1) is bonded to four equivalent S(2) and four equivalent S(4) atoms to form distorted US8 hexagonal bipyramids that share corners with four equivalent Pr(3)S8 hexagonal bipyramids, edges with four equivalent Pr(2)S8 hexagonal bipyramids, and faces with four equivalent Pr(3)S8 hexagonal bipyramids. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one S(1), one S(4), three equivalent S(2), and three equivalent S(3) atoms. In the second Pr site, Pr(2) is bonded to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms to form distorted PrS8 hexagonal bipyramids that share corners with four equivalent Pr(3)S8 hexagonal bipyramids, edges with two equivalent U(1)S8 hexagonal bipyramids, and faces with four equivalent Pr(3)S8 hexagonal bipyramids. In the third Pr site, Pr(3) is bonded to one S(2), one S(3), three equivalent S(1), and three equivalent S(4) atoms to form distorted PrS8 hexagonal bipyramids that share  a cornercorner with one U(1)S8 hexagonal bipyramid, corners with two equivalent Pr(2)S8 hexagonal bipyramids, corners with two equivalent Pr(3)S8 hexagonal bipyramids, edges with two equivalent Pr(3)S8 hexagonal bipyramids,  a faceface with one U(1)S8 hexagonal bipyramid, faces with two equivalent Pr(2)S8 hexagonal bipyramids, and faces with two equivalent Pr(3)S8 hexagonal bipyramids. There are four inequivalent S sites. In the first S site, S(1) is bonded to one Pr(1), one Pr(2), and three equivalent Pr(3) atoms to form SPr5 square pyramids that share corners with four equivalent S(2)Pr5U octahedra, corners with four equivalent S(4)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids, corners with four equivalent S(3)Pr5 trigonal bipyramids,  an edgeedge with one S(4)Pr5U octahedra, edges with two equivalent S(2)Pr5U octahedra, edges with two equivalent S(3)Pr5 trigonal bipyramids, faces with two equivalent S(4)Pr5U octahedra, and  a faceface with one S(1)Pr5 square pyramid. The corner-sharing octahedral tilt angles range from 12-53°. In the second S site, S(2) is bonded to one U(1), one Pr(2), one Pr(3), and three equivalent Pr(1) atoms to form distorted SPr5U octahedra that share corners with three equivalent S(2)Pr5U octahedra, corners with four equivalent S(4)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids, corners with four equivalent S(3)Pr5 trigonal bipyramids,  an edgeedge with one S(4)Pr5U octahedra, edges with two equivalent S(2)Pr5U octahedra, edges with two equivalent S(1)Pr5 square pyramids,  an edgeedge with one S(3)Pr5 trigonal bipyramid,  a faceface with one S(2)Pr5U octahedra, faces with two equivalent S(4)Pr5U octahedra, and faces with two equivalent S(3)Pr5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 18-50°. In the third S site, S(3) is bonded to one Pr(2), one Pr(3), and three equivalent Pr(1) atoms to form SPr5 trigonal bipyramids that share corners with four equivalent S(2)Pr5U octahedra, corners with four equivalent S(4)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids,  a cornercorner with one S(3)Pr5 trigonal bipyramid,  an edgeedge with one S(2)Pr5U octahedra, edges with two equivalent S(4)Pr5U octahedra, edges with two equivalent S(1)Pr5 square pyramids, edges with three equivalent S(3)Pr5 trigonal bipyramids, and faces with two equivalent S(2)Pr5U octahedra. The corner-sharing octahedral tilt angles range from 21-53°. In the fourth S site, S(4) is bonded to one U(1), one Pr(1), one Pr(2), and three equivalent Pr(3) atoms to form distorted SPr5U octahedra that share corners with three equivalent S(4)Pr5U octahedra, corners with four equivalent S(2)Pr5U octahedra, corners with four equivalent S(1)Pr5 square pyramids, corners with four equivalent S(3)Pr5 trigonal bipyramids,  an edgeedge with one S(2)Pr5U octahedra, edges with two equivalent S(4)Pr5U octahedra,  an edgeedge with one S(1)Pr5 square pyramid, edges with two equivalent S(3)Pr5 trigonal bipyramids,  a faceface with one S(4)Pr5U octahedra, faces with two equivalent S(2)Pr5U octahedra, and faces with two equivalent S(1)Pr5 square pyramids. The corner-sharing octahedral tilt angles range from 16-50°. is represented by the CIF card [CIF]
data_Pr10US16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.637
_cell_length_b   8.637
_cell_length_c   8.584
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   640.306
_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
  Pr  Pr0  1  0.244  0.876  0.139  1.0
  Pr  Pr1  1  0.500  0.000  0.751  1.0
  Pr  Pr2  1  0.124  0.244  0.861  1.0
  Pr  Pr3  1  0.756  0.124  0.139  1.0
  Pr  Pr4  1  0.367  0.244  0.379  1.0
  Pr  Pr5  1  0.756  0.367  0.621  1.0
  Pr  Pr6  1  0.000  0.500  0.249  1.0
  Pr  Pr7  1  0.633  0.756  0.379  1.0
  Pr  Pr8  1  0.244  0.633  0.621  1.0
  Pr  Pr9  1  0.876  0.756  0.861  1.0
  U  U10  1  0.500  0.500  0.000  1.0
  S  S11  1  0.334  0.920  0.457  1.0
  S  S12  1  0.568  0.819  0.052  1.0
  S  S13  1  0.922  0.818  0.185  1.0
  S  S14  1  0.432  0.181  0.052  1.0
  S  S15  1  0.078  0.182  0.185  1.0
  S  S16  1  0.182  0.922  0.815  1.0
  S  S17  1  0.666  0.080  0.457  1.0
  S  S18  1  0.818  0.078  0.815  1.0
  S  S19  1  0.819  0.432  0.948  1.0
  S  S20  1  0.080  0.334  0.543  1.0
  S  S21  1  0.426  0.328  0.704  1.0
  S  S22  1  0.920  0.666  0.543  1.0
  S  S23  1  0.574  0.672  0.704  1.0
  S  S24  1  0.672  0.426  0.296  1.0
  S  S25  1  0.181  0.568  0.948  1.0
  S  S26  1  0.328  0.574  0.296  1.0
[/CIF]
.