The material structure described by SrU(SeO4)2 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 4-coordinate geometry to one O(2), one O(5), one O(7), and two equivalent O(4) atoms. U(1) is bonded in a 3-coordinate geometry to one Se(2), one O(1), one O(2), one O(6), and two equivalent O(3) atoms. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and one O(6) atom. In the second Se site, Se(2) is bonded in a 4-coordinate geometry to one U(1), one O(4), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one U(1) and one Se(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one U(1), one Se(1), and one O(5) atom. In the third O site, O(3) is bonded in a water-like geometry to two equivalent U(1) atoms. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Se(2), and one O(7) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Se(1), and one O(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one U(1), one Se(1), and one O(8) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Sr(1), one Se(2), one O(4), and one O(8) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Se(2), one O(6), and one O(7) atom. is represented by the CIF file [CIF]
data_SrU(SeO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.812
_cell_length_b   6.889
_cell_length_c   11.473
_cell_angle_alpha   104.765
_cell_angle_beta   94.044
_cell_angle_gamma   109.428
_symmetry_Int_Tables_number   1
_cell_volume   412.801
_cell_formula_units_Z   2
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  0.207  0.626  0.563  1.0
  Sr  Sr1  1  0.793  0.374  0.437  1.0
  U  U2  1  0.843  0.936  0.163  1.0
  U  U3  1  0.157  0.064  0.837  1.0
  Se  Se4  1  0.943  0.436  0.878  1.0
  Se  Se5  1  0.044  0.008  0.342  1.0
  Se  Se6  1  0.057  0.564  0.122  1.0
  Se  Se7  1  0.956  0.992  0.658  1.0
  O  O8  1  0.034  0.806  0.030  1.0
  O  O9  1  0.804  0.268  0.158  1.0
  O  O10  1  0.741  0.843  0.911  1.0
  O  O11  1  0.259  0.157  0.089  1.0
  O  O12  1  0.066  0.768  0.427  1.0
  O  O13  1  0.176  0.474  0.753  1.0
  O  O14  1  0.582  0.296  0.757  1.0
  O  O15  1  0.789  0.009  0.443  1.0
  O  O16  1  0.418  0.704  0.243  1.0
  O  O17  1  0.966  0.194  0.970  1.0
  O  O18  1  0.934  0.232  0.573  1.0
  O  O19  1  0.824  0.526  0.247  1.0
  O  O20  1  0.211  0.991  0.557  1.0
  O  O21  1  0.242  0.204  0.659  1.0
  O  O22  1  0.758  0.796  0.341  1.0
  O  O23  1  0.196  0.732  0.842  1.0
[/CIF]
.
The material structure described by SrU(SeO4)2 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 4-coordinate geometry to one O(2), one O(5), one O(7), and two equivalent O(4) atoms. U(1) is bonded in a 3-coordinate geometry to one Se(2), one O(1), one O(2), one O(6), and two equivalent O(3) atoms. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and one O(6) atom. In the second Se site, Se(2) is bonded in a 4-coordinate geometry to one U(1), one O(4), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one U(1) and one Se(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one U(1), one Se(1), and one O(5) atom. In the third O site, O(3) is bonded in a water-like geometry to two equivalent U(1) atoms. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Se(2), and one O(7) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Se(1), and one O(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one U(1), one Se(1), and one O(8) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Sr(1), one Se(2), one O(4), and one O(8) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Se(2), one O(6), and one O(7) atom. is represented by the CIF file [CIF]
data_SrU(SeO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.812
_cell_length_b   6.889
_cell_length_c   11.473
_cell_angle_alpha   104.765
_cell_angle_beta   94.044
_cell_angle_gamma   109.428
_symmetry_Int_Tables_number   1
_cell_volume   412.801
_cell_formula_units_Z   2
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  0.207  0.626  0.563  1.0
  Sr  Sr1  1  0.793  0.374  0.437  1.0
  U  U2  1  0.843  0.936  0.163  1.0
  U  U3  1  0.157  0.064  0.837  1.0
  Se  Se4  1  0.943  0.436  0.878  1.0
  Se  Se5  1  0.044  0.008  0.342  1.0
  Se  Se6  1  0.057  0.564  0.122  1.0
  Se  Se7  1  0.956  0.992  0.658  1.0
  O  O8  1  0.034  0.806  0.030  1.0
  O  O9  1  0.804  0.268  0.158  1.0
  O  O10  1  0.741  0.843  0.911  1.0
  O  O11  1  0.259  0.157  0.089  1.0
  O  O12  1  0.066  0.768  0.427  1.0
  O  O13  1  0.176  0.474  0.753  1.0
  O  O14  1  0.582  0.296  0.757  1.0
  O  O15  1  0.789  0.009  0.443  1.0
  O  O16  1  0.418  0.704  0.243  1.0
  O  O17  1  0.966  0.194  0.970  1.0
  O  O18  1  0.934  0.232  0.573  1.0
  O  O19  1  0.824  0.526  0.247  1.0
  O  O20  1  0.211  0.991  0.557  1.0
  O  O21  1  0.242  0.204  0.659  1.0
  O  O22  1  0.758  0.796  0.341  1.0
  O  O23  1  0.196  0.732  0.842  1.0
[/CIF]
.