The material described by SrU2S5 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 9-coordinate geometry to two equivalent S(2), two equivalent S(3), two equivalent S(4), and three equivalent S(5) atoms. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms. In the second U site, U(2) is bonded to one S(2), one S(3), one S(4), two equivalent S(1), and two equivalent S(5) atoms to form distorted edge-sharing US7 pentagonal bipyramids. There are five inequivalent S sites. In the first S site, S(1) is bonded to two equivalent U(1) and two equivalent U(2) atoms to form distorted SU4 tetrahedra that share corners with four equivalent S(2)Sr2U3 square pyramids, corners with two equivalent S(1)U4 tetrahedra, corners with two equivalent S(3)Sr2U3 trigonal bipyramids, corners with two equivalent S(4)Sr2U3 trigonal bipyramids,  an edgeedge with one S(2)Sr2U3 square pyramid,  an edgeedge with one S(1)U4 tetrahedra, edges with two equivalent S(3)Sr2U3 trigonal bipyramids, and edges with two equivalent S(4)Sr2U3 trigonal bipyramids. In the second S site, S(2) is bonded to two equivalent Sr(1), one U(2), and two equivalent U(1) atoms to form SSr2U3 square pyramids that share corners with four equivalent S(1)U4 tetrahedra, corners with four equivalent S(4)Sr2U3 trigonal bipyramids, corners with five equivalent S(3)Sr2U3 trigonal bipyramids, edges with two equivalent S(2)Sr2U3 square pyramids,  an edgeedge with one S(1)U4 tetrahedra,  an edgeedge with one S(4)Sr2U3 trigonal bipyramid, edges with two equivalent S(3)Sr2U3 trigonal bipyramids, and  a faceface with one S(4)Sr2U3 trigonal bipyramid. In the third S site, S(3) is bonded to two equivalent Sr(1), one U(2), and two equivalent U(1) atoms to form distorted SSr2U3 trigonal bipyramids that share corners with five equivalent S(2)Sr2U3 square pyramids, corners with two equivalent S(1)U4 tetrahedra,  a cornercorner with one S(4)Sr2U3 trigonal bipyramid, corners with four equivalent S(3)Sr2U3 trigonal bipyramids, edges with two equivalent S(2)Sr2U3 square pyramids, edges with two equivalent S(1)U4 tetrahedra, and edges with four equivalent S(4)Sr2U3 trigonal bipyramids. In the fourth S site, S(4) is bonded to two equivalent Sr(1), one U(2), and two equivalent U(1) atoms to form distorted SSr2U3 trigonal bipyramids that share corners with four equivalent S(2)Sr2U3 square pyramids, corners with two equivalent S(1)U4 tetrahedra,  a cornercorner with one S(3)Sr2U3 trigonal bipyramid, corners with four equivalent S(4)Sr2U3 trigonal bipyramids,  an edgeedge with one S(2)Sr2U3 square pyramid, edges with two equivalent S(1)U4 tetrahedra, edges with four equivalent S(3)Sr2U3 trigonal bipyramids, and  a faceface with one S(2)Sr2U3 square pyramid. In the fifth S site, S(5) is bonded in a 4-coordinate geometry to three equivalent Sr(1) and two equivalent U(2) atoms. is represented by the CIF file [CIF]
data_SrU2S5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.506
_cell_length_b   8.291
_cell_length_c   11.798
_cell_angle_alpha   89.602
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   734.245
_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
  Sr  Sr0  1  0.046  0.493  0.329  1.0
  Sr  Sr1  1  0.546  0.507  0.171  1.0
  Sr  Sr2  1  0.954  0.507  0.671  1.0
  Sr  Sr3  1  0.454  0.493  0.829  1.0
  U  U4  1  0.018  0.998  0.322  1.0
  U  U5  1  0.518  0.002  0.178  1.0
  U  U6  1  0.982  0.002  0.678  1.0
  U  U7  1  0.482  0.998  0.822  1.0
  U  U8  1  0.068  0.750  0.007  1.0
  U  U9  1  0.568  0.250  0.493  1.0
  U  U10  1  0.932  0.250  0.993  1.0
  U  U11  1  0.432  0.750  0.507  1.0
  S  S12  1  0.658  0.959  0.400  1.0
  S  S13  1  0.158  0.041  0.100  1.0
  S  S14  1  0.342  0.041  0.600  1.0
  S  S15  1  0.842  0.959  0.900  1.0
  S  S16  1  0.455  0.785  0.002  1.0
  S  S17  1  0.955  0.215  0.498  1.0
  S  S18  1  0.545  0.215  0.998  1.0
  S  S19  1  0.045  0.785  0.502  1.0
  S  S20  1  0.837  0.775  0.189  1.0
  S  S21  1  0.337  0.225  0.311  1.0
  S  S22  1  0.163  0.225  0.811  1.0
  S  S23  1  0.663  0.775  0.689  1.0
  S  S24  1  0.309  0.767  0.284  1.0
  S  S25  1  0.809  0.233  0.216  1.0
  S  S26  1  0.691  0.233  0.716  1.0
  S  S27  1  0.191  0.767  0.784  1.0
  S  S28  1  0.176  0.462  0.079  1.0
  S  S29  1  0.676  0.538  0.421  1.0
  S  S30  1  0.824  0.538  0.921  1.0
  S  S31  1  0.324  0.462  0.579  1.0
[/CIF]
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The material described by SrU2S5 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 9-coordinate geometry to two equivalent S(2), two equivalent S(3), two equivalent S(4), and three equivalent S(5) atoms. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms. In the second U site, U(2) is bonded to one S(2), one S(3), one S(4), two equivalent S(1), and two equivalent S(5) atoms to form distorted edge-sharing US7 pentagonal bipyramids. There are five inequivalent S sites. In the first S site, S(1) is bonded to two equivalent U(1) and two equivalent U(2) atoms to form distorted SU4 tetrahedra that share corners with four equivalent S(2)Sr2U3 square pyramids, corners with two equivalent S(1)U4 tetrahedra, corners with two equivalent S(3)Sr2U3 trigonal bipyramids, corners with two equivalent S(4)Sr2U3 trigonal bipyramids,  an edgeedge with one S(2)Sr2U3 square pyramid,  an edgeedge with one S(1)U4 tetrahedra, edges with two equivalent S(3)Sr2U3 trigonal bipyramids, and edges with two equivalent S(4)Sr2U3 trigonal bipyramids. In the second S site, S(2) is bonded to two equivalent Sr(1), one U(2), and two equivalent U(1) atoms to form SSr2U3 square pyramids that share corners with four equivalent S(1)U4 tetrahedra, corners with four equivalent S(4)Sr2U3 trigonal bipyramids, corners with five equivalent S(3)Sr2U3 trigonal bipyramids, edges with two equivalent S(2)Sr2U3 square pyramids,  an edgeedge with one S(1)U4 tetrahedra,  an edgeedge with one S(4)Sr2U3 trigonal bipyramid, edges with two equivalent S(3)Sr2U3 trigonal bipyramids, and  a faceface with one S(4)Sr2U3 trigonal bipyramid. In the third S site, S(3) is bonded to two equivalent Sr(1), one U(2), and two equivalent U(1) atoms to form distorted SSr2U3 trigonal bipyramids that share corners with five equivalent S(2)Sr2U3 square pyramids, corners with two equivalent S(1)U4 tetrahedra,  a cornercorner with one S(4)Sr2U3 trigonal bipyramid, corners with four equivalent S(3)Sr2U3 trigonal bipyramids, edges with two equivalent S(2)Sr2U3 square pyramids, edges with two equivalent S(1)U4 tetrahedra, and edges with four equivalent S(4)Sr2U3 trigonal bipyramids. In the fourth S site, S(4) is bonded to two equivalent Sr(1), one U(2), and two equivalent U(1) atoms to form distorted SSr2U3 trigonal bipyramids that share corners with four equivalent S(2)Sr2U3 square pyramids, corners with two equivalent S(1)U4 tetrahedra,  a cornercorner with one S(3)Sr2U3 trigonal bipyramid, corners with four equivalent S(4)Sr2U3 trigonal bipyramids,  an edgeedge with one S(2)Sr2U3 square pyramid, edges with two equivalent S(1)U4 tetrahedra, edges with four equivalent S(3)Sr2U3 trigonal bipyramids, and  a faceface with one S(2)Sr2U3 square pyramid. In the fifth S site, S(5) is bonded in a 4-coordinate geometry to three equivalent Sr(1) and two equivalent U(2) atoms. is represented by the CIF file [CIF]
data_SrU2S5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.506
_cell_length_b   8.291
_cell_length_c   11.798
_cell_angle_alpha   89.602
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   734.245
_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
  Sr  Sr0  1  0.046  0.493  0.329  1.0
  Sr  Sr1  1  0.546  0.507  0.171  1.0
  Sr  Sr2  1  0.954  0.507  0.671  1.0
  Sr  Sr3  1  0.454  0.493  0.829  1.0
  U  U4  1  0.018  0.998  0.322  1.0
  U  U5  1  0.518  0.002  0.178  1.0
  U  U6  1  0.982  0.002  0.678  1.0
  U  U7  1  0.482  0.998  0.822  1.0
  U  U8  1  0.068  0.750  0.007  1.0
  U  U9  1  0.568  0.250  0.493  1.0
  U  U10  1  0.932  0.250  0.993  1.0
  U  U11  1  0.432  0.750  0.507  1.0
  S  S12  1  0.658  0.959  0.400  1.0
  S  S13  1  0.158  0.041  0.100  1.0
  S  S14  1  0.342  0.041  0.600  1.0
  S  S15  1  0.842  0.959  0.900  1.0
  S  S16  1  0.455  0.785  0.002  1.0
  S  S17  1  0.955  0.215  0.498  1.0
  S  S18  1  0.545  0.215  0.998  1.0
  S  S19  1  0.045  0.785  0.502  1.0
  S  S20  1  0.837  0.775  0.189  1.0
  S  S21  1  0.337  0.225  0.311  1.0
  S  S22  1  0.163  0.225  0.811  1.0
  S  S23  1  0.663  0.775  0.689  1.0
  S  S24  1  0.309  0.767  0.284  1.0
  S  S25  1  0.809  0.233  0.216  1.0
  S  S26  1  0.691  0.233  0.716  1.0
  S  S27  1  0.191  0.767  0.784  1.0
  S  S28  1  0.176  0.462  0.079  1.0
  S  S29  1  0.676  0.538  0.421  1.0
  S  S30  1  0.824  0.538  0.921  1.0
  S  S31  1  0.324  0.462  0.579  1.0
[/CIF]
.