The structure described by Pr2S3O16(O2)2 crystallizes in the monoclinic Cc space group. The structure consists of eight hydrogen peroxide molecules inside a Pr2S3O16 framework. In the Pr2S3O16 framework, there are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 7-coordinate geometry to one O(11), one O(18), one O(19), one O(2), one O(3), one O(4), and one O(5) atom. In the second Pr site, Pr(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(13), one O(15), one O(6), one O(7), and one O(8) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(10), one O(11), one O(12), and one O(9) atom. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the third S site, S(3) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Pr(2) and one S(2) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Pr(1) and one S(2) atom. In the third O site, O(3) is bonded in a linear geometry to one Pr(1) and one S(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Pr(1) and one S(2) atom. In the fifth O site, O(5) is bonded in a linear geometry to one Pr(1) and one S(3) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Pr(2) and one S(3) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Pr(2) and one S(3) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Pr(2) and one S(3) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one S(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Pr(2) and one S(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one S(1) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one S(1) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Pr(2) atom. In the fourteenth O site, O(15) is bonded in a single-bond geometry to one Pr(2) atom. In the fifteenth O site, O(18) is bonded in a single-bond geometry to one Pr(1) atom. In the sixteenth O site, O(19) is bonded in a single-bond geometry to one Pr(1) atom. is represented by the CIF card [CIF]
data_Pr2S3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.568
_cell_length_b   6.568
_cell_length_c   20.267
_cell_angle_alpha   86.690
_cell_angle_beta   86.690
_cell_angle_gamma   61.519
_symmetry_Int_Tables_number   1
_cell_volume   766.775
_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
  Pr  Pr0  1  0.206  0.193  0.121  1.0
  Pr  Pr1  1  0.193  0.206  0.621  1.0
  Pr  Pr2  1  0.896  0.893  0.888  1.0
  Pr  Pr3  1  0.893  0.896  0.388  1.0
  S  S4  1  0.371  0.715  0.253  1.0
  S  S5  1  0.715  0.371  0.753  1.0
  S  S6  1  0.865  0.855  0.080  1.0
  S  S7  1  0.855  0.865  0.580  1.0
  S  S8  1  0.233  0.225  0.928  1.0
  S  S9  1  0.225  0.233  0.428  1.0
  O  O10  1  0.909  0.871  0.008  1.0
  O  O11  1  0.871  0.909  0.508  1.0
  O  O12  1  0.995  0.951  0.117  1.0
  O  O13  1  0.951  0.995  0.617  1.0
  O  O14  1  0.616  0.984  0.097  1.0
  O  O15  1  0.984  0.616  0.597  1.0
  O  O16  1  0.963  0.610  0.104  1.0
  O  O17  1  0.610  0.963  0.604  1.0
  O  O18  1  0.207  0.217  0.001  1.0
  O  O19  1  0.217  0.207  0.501  1.0
  O  O20  1  0.109  0.109  0.901  1.0
  O  O21  1  0.109  0.109  0.401  1.0
  O  O22  1  0.130  0.471  0.904  1.0
  O  O23  1  0.471  0.130  0.404  1.0
  O  O24  1  0.481  0.101  0.908  1.0
  O  O25  1  0.101  0.481  0.408  1.0
  O  O26  1  0.564  0.648  0.299  1.0
  O  O27  1  0.648  0.564  0.799  1.0
  O  O28  1  0.150  0.781  0.293  1.0
  O  O29  1  0.781  0.150  0.793  1.0
  O  O30  1  0.341  0.915  0.209  1.0
  O  O31  1  0.915  0.341  0.709  1.0
  O  O32  1  0.426  0.512  0.212  1.0
  O  O33  1  0.512  0.426  0.712  1.0
  O  O34  1  0.908  0.684  0.790  1.0
  O  O35  1  0.684  0.908  0.290  1.0
  O  O36  1  0.635  0.622  0.958  1.0
  O  O37  1  0.622  0.635  0.458  1.0
  O  O38  1  0.190  0.890  0.802  1.0
  O  O39  1  0.890  0.190  0.302  1.0
  O  O40  1  0.420  0.694  0.045  1.0
  O  O41  1  0.694  0.420  0.545  1.0
  O  O42  1  0.625  0.441  0.952  1.0
  O  O43  1  0.441  0.625  0.452  1.0
  O  O44  1  0.407  0.160  0.722  1.0
  O  O45  1  0.160  0.407  0.222  1.0
  O  O46  1  0.806  0.308  0.094  1.0
  O  O47  1  0.308  0.806  0.594  1.0
  O  O48  1  0.409  0.514  0.040  1.0
  O  O49  1  0.514  0.409  0.540  1.0
[/CIF]
.
The structure described by Pr2S3O16(O2)2 crystallizes in the monoclinic Cc space group. The structure consists of eight hydrogen peroxide molecules inside a Pr2S3O16 framework. In the Pr2S3O16 framework, there are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 7-coordinate geometry to one O(11), one O(18), one O(19), one O(2), one O(3), one O(4), and one O(5) atom. In the second Pr site, Pr(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(13), one O(15), one O(6), one O(7), and one O(8) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(10), one O(11), one O(12), and one O(9) atom. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the third S site, S(3) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Pr(2) and one S(2) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Pr(1) and one S(2) atom. In the third O site, O(3) is bonded in a linear geometry to one Pr(1) and one S(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Pr(1) and one S(2) atom. In the fifth O site, O(5) is bonded in a linear geometry to one Pr(1) and one S(3) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Pr(2) and one S(3) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Pr(2) and one S(3) atom. In the eighth O site, O(8) is bonded in a linear geometry to one Pr(2) and one S(3) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one S(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Pr(2) and one S(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one S(1) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one S(1) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Pr(2) atom. In the fourteenth O site, O(15) is bonded in a single-bond geometry to one Pr(2) atom. In the fifteenth O site, O(18) is bonded in a single-bond geometry to one Pr(1) atom. In the sixteenth O site, O(19) is bonded in a single-bond geometry to one Pr(1) atom. is represented by the CIF card [CIF]
data_Pr2S3O20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.568
_cell_length_b   6.568
_cell_length_c   20.267
_cell_angle_alpha   86.690
_cell_angle_beta   86.690
_cell_angle_gamma   61.519
_symmetry_Int_Tables_number   1
_cell_volume   766.775
_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
  Pr  Pr0  1  0.206  0.193  0.121  1.0
  Pr  Pr1  1  0.193  0.206  0.621  1.0
  Pr  Pr2  1  0.896  0.893  0.888  1.0
  Pr  Pr3  1  0.893  0.896  0.388  1.0
  S  S4  1  0.371  0.715  0.253  1.0
  S  S5  1  0.715  0.371  0.753  1.0
  S  S6  1  0.865  0.855  0.080  1.0
  S  S7  1  0.855  0.865  0.580  1.0
  S  S8  1  0.233  0.225  0.928  1.0
  S  S9  1  0.225  0.233  0.428  1.0
  O  O10  1  0.909  0.871  0.008  1.0
  O  O11  1  0.871  0.909  0.508  1.0
  O  O12  1  0.995  0.951  0.117  1.0
  O  O13  1  0.951  0.995  0.617  1.0
  O  O14  1  0.616  0.984  0.097  1.0
  O  O15  1  0.984  0.616  0.597  1.0
  O  O16  1  0.963  0.610  0.104  1.0
  O  O17  1  0.610  0.963  0.604  1.0
  O  O18  1  0.207  0.217  0.001  1.0
  O  O19  1  0.217  0.207  0.501  1.0
  O  O20  1  0.109  0.109  0.901  1.0
  O  O21  1  0.109  0.109  0.401  1.0
  O  O22  1  0.130  0.471  0.904  1.0
  O  O23  1  0.471  0.130  0.404  1.0
  O  O24  1  0.481  0.101  0.908  1.0
  O  O25  1  0.101  0.481  0.408  1.0
  O  O26  1  0.564  0.648  0.299  1.0
  O  O27  1  0.648  0.564  0.799  1.0
  O  O28  1  0.150  0.781  0.293  1.0
  O  O29  1  0.781  0.150  0.793  1.0
  O  O30  1  0.341  0.915  0.209  1.0
  O  O31  1  0.915  0.341  0.709  1.0
  O  O32  1  0.426  0.512  0.212  1.0
  O  O33  1  0.512  0.426  0.712  1.0
  O  O34  1  0.908  0.684  0.790  1.0
  O  O35  1  0.684  0.908  0.290  1.0
  O  O36  1  0.635  0.622  0.958  1.0
  O  O37  1  0.622  0.635  0.458  1.0
  O  O38  1  0.190  0.890  0.802  1.0
  O  O39  1  0.890  0.190  0.302  1.0
  O  O40  1  0.420  0.694  0.045  1.0
  O  O41  1  0.694  0.420  0.545  1.0
  O  O42  1  0.625  0.441  0.952  1.0
  O  O43  1  0.441  0.625  0.452  1.0
  O  O44  1  0.407  0.160  0.722  1.0
  O  O45  1  0.160  0.407  0.222  1.0
  O  O46  1  0.806  0.308  0.094  1.0
  O  O47  1  0.308  0.806  0.594  1.0
  O  O48  1  0.409  0.514  0.040  1.0
  O  O49  1  0.514  0.409  0.540  1.0
[/CIF]
.