The structure described by (SrU2As2O17)2(O2)3 crystallizes in the monoclinic Pc space group. The structure consists of two trioxidane molecules inside a SrU2As2O17 framework. In the SrU2As2O17 framework, Sr(1) is bonded in a 9-coordinate geometry to one O(12), one O(13), one O(14), one O(15), one O(17), one O(18), one O(2), one O(4), and one O(5) atom. There are two inequivalent U sites. In the first U site, U(1) is bonded to one O(1), one O(10), one O(2), one O(5), one O(6), and one O(9) atom to form UO6 octahedra that share corners with two equivalent As(1)O4 tetrahedra and corners with two equivalent As(2)O4 tetrahedra. In the second U site, U(2) is bonded to one O(11), one O(12), one O(3), one O(4), one O(7), and one O(8) atom to form UO6 octahedra that share corners with two equivalent As(1)O4 tetrahedra and corners with two equivalent As(2)O4 tetrahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form AsO4 tetrahedra that share corners with two equivalent U(1)O6 octahedra and corners with two equivalent U(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-47°. In the second As site, As(2) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form AsO4 tetrahedra that share corners with two equivalent U(1)O6 octahedra and corners with two equivalent U(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-48°. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Sr(1) and one U(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one U(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Sr(1) and one U(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one U(1), and one As(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one U(1) and one As(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one U(2) and one As(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one U(2) and one As(1) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one U(1) and one As(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one U(1) and one As(2) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one U(2) and one As(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Sr(1), one U(2), and one As(2) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Sr(1) atom. In the fourteenth O site, O(14) is bonded in a distorted L-shaped geometry to one Sr(1) and one O(17) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Sr(1) atom. In the sixteenth O site, O(17) is bonded in a 2-coordinate geometry to one Sr(1) and one O(14) atom. In the seventeenth O site, O(18) is bonded in a single-bond geometry to one Sr(1) atom. is represented by the CIF file [CIF]
data_SrU2(AsO10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.337
_cell_length_b   7.324
_cell_length_c   15.476
_cell_angle_alpha   81.513
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   822.492
_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  0.825  0.641  0.264  1.0
  Sr  Sr1  1  0.175  0.641  0.764  1.0
  U  U2  1  0.256  0.365  0.574  1.0
  U  U3  1  0.744  0.365  0.074  1.0
  U  U4  1  0.254  0.903  0.954  1.0
  U  U5  1  0.746  0.903  0.454  1.0
  As  As6  1  0.245  0.880  0.517  1.0
  As  As7  1  0.755  0.880  0.017  1.0
  As  As8  1  0.756  0.387  0.509  1.0
  As  As9  1  0.244  0.387  0.009  1.0
  O  O10  1  0.257  0.395  0.456  1.0
  O  O11  1  0.743  0.395  0.956  1.0
  O  O12  1  0.254  0.352  0.695  1.0
  O  O13  1  0.746  0.352  0.195  1.0
  O  O14  1  0.254  0.864  0.072  1.0
  O  O15  1  0.746  0.864  0.572  1.0
  O  O16  1  0.254  0.924  0.833  1.0
  O  O17  1  0.746  0.924  0.333  1.0
  O  O18  1  0.254  0.677  0.591  1.0
  O  O19  1  0.746  0.677  0.091  1.0
  O  O20  1  0.231  0.055  0.581  1.0
  O  O21  1  0.769  0.055  0.081  1.0
  O  O22  1  0.055  0.875  0.454  1.0
  O  O23  1  0.945  0.875  0.954  1.0
  O  O24  1  0.436  0.905  0.453  1.0
  O  O25  1  0.564  0.905  0.953  1.0
  O  O26  1  0.946  0.392  0.573  1.0
  O  O27  1  0.054  0.392  0.073  1.0
  O  O28  1  0.562  0.367  0.572  1.0
  O  O29  1  0.438  0.367  0.072  1.0
  O  O30  1  0.769  0.209  0.448  1.0
  O  O31  1  0.231  0.209  0.948  1.0
  O  O32  1  0.748  0.590  0.435  1.0
  O  O33  1  0.252  0.590  0.935  1.0
  O  O34  1  0.518  0.469  0.295  1.0
  O  O35  1  0.482  0.469  0.795  1.0
  O  O36  1  0.179  0.658  0.312  1.0
  O  O37  1  0.821  0.658  0.812  1.0
  O  O38  1  0.952  0.974  0.207  1.0
  O  O39  1  0.048  0.974  0.707  1.0
  O  O40  1  0.046  0.237  0.308  1.0
  O  O41  1  0.954  0.237  0.808  1.0
  O  O42  1  0.190  0.612  0.238  1.0
  O  O43  1  0.810  0.612  0.738  1.0
  O  O44  1  0.504  0.717  0.214  1.0
  O  O45  1  0.496  0.717  0.714  1.0
  O  O46  1  0.202  0.224  0.272  1.0
  O  O47  1  0.798  0.224  0.772  1.0
  O  O48  1  0.252  0.064  0.257  1.0
  O  O49  1  0.748  0.064  0.757  1.0
[/CIF]
.
The structure described by (SrU2As2O17)2(O2)3 crystallizes in the monoclinic Pc space group. The structure consists of two trioxidane molecules inside a SrU2As2O17 framework. In the SrU2As2O17 framework, Sr(1) is bonded in a 9-coordinate geometry to one O(12), one O(13), one O(14), one O(15), one O(17), one O(18), one O(2), one O(4), and one O(5) atom. There are two inequivalent U sites. In the first U site, U(1) is bonded to one O(1), one O(10), one O(2), one O(5), one O(6), and one O(9) atom to form UO6 octahedra that share corners with two equivalent As(1)O4 tetrahedra and corners with two equivalent As(2)O4 tetrahedra. In the second U site, U(2) is bonded to one O(11), one O(12), one O(3), one O(4), one O(7), and one O(8) atom to form UO6 octahedra that share corners with two equivalent As(1)O4 tetrahedra and corners with two equivalent As(2)O4 tetrahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form AsO4 tetrahedra that share corners with two equivalent U(1)O6 octahedra and corners with two equivalent U(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-47°. In the second As site, As(2) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form AsO4 tetrahedra that share corners with two equivalent U(1)O6 octahedra and corners with two equivalent U(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-48°. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Sr(1) and one U(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one U(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Sr(1) and one U(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one U(1), and one As(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one U(1) and one As(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one U(2) and one As(1) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one U(2) and one As(1) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one U(1) and one As(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one U(1) and one As(2) atom. In the eleventh O site, O(11) is bonded in a bent 150 degrees geometry to one U(2) and one As(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Sr(1), one U(2), and one As(2) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Sr(1) atom. In the fourteenth O site, O(14) is bonded in a distorted L-shaped geometry to one Sr(1) and one O(17) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Sr(1) atom. In the sixteenth O site, O(17) is bonded in a 2-coordinate geometry to one Sr(1) and one O(14) atom. In the seventeenth O site, O(18) is bonded in a single-bond geometry to one Sr(1) atom. is represented by the CIF file [CIF]
data_SrU2(AsO10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.337
_cell_length_b   7.324
_cell_length_c   15.476
_cell_angle_alpha   81.513
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   822.492
_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  0.825  0.641  0.264  1.0
  Sr  Sr1  1  0.175  0.641  0.764  1.0
  U  U2  1  0.256  0.365  0.574  1.0
  U  U3  1  0.744  0.365  0.074  1.0
  U  U4  1  0.254  0.903  0.954  1.0
  U  U5  1  0.746  0.903  0.454  1.0
  As  As6  1  0.245  0.880  0.517  1.0
  As  As7  1  0.755  0.880  0.017  1.0
  As  As8  1  0.756  0.387  0.509  1.0
  As  As9  1  0.244  0.387  0.009  1.0
  O  O10  1  0.257  0.395  0.456  1.0
  O  O11  1  0.743  0.395  0.956  1.0
  O  O12  1  0.254  0.352  0.695  1.0
  O  O13  1  0.746  0.352  0.195  1.0
  O  O14  1  0.254  0.864  0.072  1.0
  O  O15  1  0.746  0.864  0.572  1.0
  O  O16  1  0.254  0.924  0.833  1.0
  O  O17  1  0.746  0.924  0.333  1.0
  O  O18  1  0.254  0.677  0.591  1.0
  O  O19  1  0.746  0.677  0.091  1.0
  O  O20  1  0.231  0.055  0.581  1.0
  O  O21  1  0.769  0.055  0.081  1.0
  O  O22  1  0.055  0.875  0.454  1.0
  O  O23  1  0.945  0.875  0.954  1.0
  O  O24  1  0.436  0.905  0.453  1.0
  O  O25  1  0.564  0.905  0.953  1.0
  O  O26  1  0.946  0.392  0.573  1.0
  O  O27  1  0.054  0.392  0.073  1.0
  O  O28  1  0.562  0.367  0.572  1.0
  O  O29  1  0.438  0.367  0.072  1.0
  O  O30  1  0.769  0.209  0.448  1.0
  O  O31  1  0.231  0.209  0.948  1.0
  O  O32  1  0.748  0.590  0.435  1.0
  O  O33  1  0.252  0.590  0.935  1.0
  O  O34  1  0.518  0.469  0.295  1.0
  O  O35  1  0.482  0.469  0.795  1.0
  O  O36  1  0.179  0.658  0.312  1.0
  O  O37  1  0.821  0.658  0.812  1.0
  O  O38  1  0.952  0.974  0.207  1.0
  O  O39  1  0.048  0.974  0.707  1.0
  O  O40  1  0.046  0.237  0.308  1.0
  O  O41  1  0.954  0.237  0.808  1.0
  O  O42  1  0.190  0.612  0.238  1.0
  O  O43  1  0.810  0.612  0.738  1.0
  O  O44  1  0.504  0.717  0.214  1.0
  O  O45  1  0.496  0.717  0.714  1.0
  O  O46  1  0.202  0.224  0.272  1.0
  O  O47  1  0.798  0.224  0.772  1.0
  O  O48  1  0.252  0.064  0.257  1.0
  O  O49  1  0.748  0.064  0.757  1.0
[/CIF]
.