data_RbPr(SeO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.11
_cell_length_b   7.59
_cell_length_c   11.29
_cell_angle_alpha   90.0
_cell_angle_beta   91.6
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RbPr(SeO4)2
_chemical_formula_sum   'Rb4 Pr4 Se8 O32'
_cell_volume   780.8
_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
  Rb  Rb0  1  0.9  0.66  0.82  1.0
  Rb  Rb1  1  0.9  0.94  0.47  1.0
  Rb  Rb2  1  0.06  0.45  0.82  1.0
  Rb  Rb3  1  0.74  0.14  0.47  1.0
  Pr  Pr4  1  0.56  0.25  0.72  1.0
  Pr  Pr5  1  0.24  0.34  0.57  1.0
  Pr  Pr6  1  0.39  0.05  0.93  1.0
  Pr  Pr7  1  0.4  0.54  0.36  1.0
  Se  Se8  1  0.57  0.25  0.44  1.0
  Se  Se9  1  0.23  0.34  0.85  1.0
  Se  Se10  1  0.38  0.05  0.21  1.0
  Se  Se11  1  0.41  0.54  0.08  1.0
  Se  Se12  1  0.48  0.58  0.65  1.0
  Se  Se13  1  0.32  0.01  0.64  1.0
  Se  Se14  1  0.47  0.37  1.0  1.0
  Se  Se15  1  0.32  0.22  0.29  1.0
  O  O16  1  0.8  0.22  0.29  1.0
  O  O17  1  1.0  0.37  1.0  1.0
  O  O18  1  0.15  0.43  0.35  1.0
  O  O19  1  0.64  0.16  0.94  1.0
  O  O20  1  0.23  0.82  0.04  1.0
  O  O21  1  0.56  0.77  0.25  1.0
  O  O22  1  0.72  0.03  0.61  1.0
  O  O23  1  0.08  0.57  0.68  1.0
  O  O24  1  0.2  0.06  0.45  1.0
  O  O25  1  0.6  0.53  0.84  1.0
  O  O26  1  0.75  0.85  0.2  1.0
  O  O27  1  0.04  0.74  0.09  1.0
  O  O28  1  0.42  0.93  0.51  1.0
  O  O29  1  0.38  0.66  0.78  1.0
  O  O30  1  0.54  0.72  0.14  1.0
  O  O31  1  0.26  0.87  0.15  1.0
  O  O32  1  0.96  0.36  0.98  1.0
  O  O33  1  0.84  0.23  0.31  1.0
  O  O34  1  0.99  0.16  0.67  1.0
  O  O35  1  0.8  0.43  0.62  1.0
  O  O36  1  0.29  0.62  0.21  1.0
  O  O37  1  0.5  0.97  0.08  1.0
  O  O38  1  0.66  0.41  0.44  1.0
  O  O39  1  0.14  0.18  0.85  1.0
  O  O40  1  0.81  0.37  0.2  1.0
  O  O41  1  0.99  0.22  0.09  1.0
  O  O42  1  0.15  0.57  0.44  1.0
  O  O43  1  0.65  0.02  0.85  1.0
  O  O44  1  0.74  0.41  0.46  1.0
  O  O45  1  0.06  0.18  0.83  1.0
  O  O46  1  0.21  0.21  0.18  1.0
  O  O47  1  0.58  0.38  0.11  1.0

data_RbPr(SeO4)2
_symmetry_space_group_name_H-M   P-1
_cell_length_a   7.59
_cell_length_b   9.11
_cell_length_c   11.29
_cell_angle_alpha   91.6
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   RbPr(SeO4)2
_chemical_formula_sum   'Rb4 Pr4 Se8 O32'
_cell_volume   780.8
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Rb  Rb0  2  0.14  0.0  0.82  1.0
  Rb  Rb1  2  0.34  0.84  0.82  1.0
  Pr  Pr2  2  0.25  0.5  0.28  1.0
  Pr  Pr3  2  0.46  0.66  0.07  1.0
  Se  Se4  2  0.22  0.42  1.0  1.0
  Se  Se5  2  0.25  0.49  0.56  1.0
  Se  Se6  2  0.42  0.42  0.65  1.0
  Se  Se7  2  0.46  0.67  0.79  1.0
  O  O8  2  0.03  0.33  0.39  1.0
  O  O9  2  0.06  0.86  0.55  1.0
  O  O10  2  0.07  0.36  0.51  1.0
  O  O11  2  0.13  0.52  0.86  1.0
  O  O12  2  0.18  0.61  0.44  1.0
  O  O13  2  0.22  0.75  0.2  1.0
  O  O14  2  0.23  0.82  0.96  1.0
  O  O15  2  0.26  0.3  0.8  1.0
  O  O16  2  0.36  0.1  0.02  1.0
  O  O17  2  0.37  0.74  0.29  1.0
  O  O18  2  0.38  0.16  0.18  1.0
  O  O19  2  0.38  0.24  0.21  1.0
  O  O20  2  0.41  0.32  0.54  1.0
  O  O21  2  0.43  0.9  0.65  1.0
  O  O22  2  0.43  0.09  0.44  1.0
  O  O23  2  0.43  0.94  0.67  1.0

Rb Rb Rb Rb Pr Pr Pr Pr Se Se Se Se Se Se Se Se O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O
Rb Rb Rb Rb Pr Pr Pr Pr Se Se Se Se Se Se Se Se O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O 0 23 + o o 0 2 + o o 1 22 o + o 1 3 o + o 2 45 o o o 2 32 - o o 2 17 - o o 2 39 o o o 2 9 o o o 2 23 o o o 3 22 o o o 3 38 o o o 3 8 o o o 3 44 o o o 3 33 o o o 3 16 o o o 4 13 o o o 4 12 o o o 4 22 o o o 4 43 o o o 4 19 o o o 4 35 o o o 4 25 o o o 5 24 o o o 5 34 - o o 5 42 o o o 5 18 o o o 5 23 o o o 5 13 o o o 5 12 o o o 6 20 o - + 6 39 o o o 6 9 o o o 6 43 o o o 6 37 o - + 6 19 o o o 6 14 o o o 7 18 o o o 7 15 o o o 7 36 o o o 7 42 o o o 7 38 o o o 7 8 o o o 7 21 o o o 8 38 o o o 9 39 o o o 10 31 o - o 10 46 o o o 10 15 o o o 10 37 o - o 11 36 o o o 11 14 o o - 11 47 o o o 11 30 o o o 12 29 o o o 12 25 o o o 13 28 o - o 13 24 o o o 14 47 o o + 14 25 o o o 15 46 o o o 15 24 o o o 16 33 o o o 16 40 o o o 17 32 o o o 17 41 o o + 18 42 o o o 19 43 o o o 20 31 o o o 20 27 o o o 21 30 o o o 21 26 o o o 24 28 o - o 25 29 o o o 26 30 o o o 27 31 o o o 30 37 o o o 31 36 o o o 32 41 o o + 33 40 o o o 34 45 + o o 35 44 o o o 38 44 o o o 39 45 o o o 
RbPr(SeO4)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 7-coordinate geometry to one Rb(2), one O(10), one O(14), one O(4), one O(5), one O(6), and one O(9) atom. The Rb(1)-Rb(2) bond length is 2.13 Å. The Rb(1)-O(10) bond length is 2.93 Å. The Rb(1)-O(14) bond length is 3.58 Å. The Rb(1)-O(4) bond length is 2.41 Å. The Rb(1)-O(5) bond length is 2.91 Å. The Rb(1)-O(6) bond length is 3.34 Å. The Rb(1)-O(9) bond length is 2.88 Å. In the second Rb site, Rb(2) is bonded in a 2-coordinate geometry to one Rb(1), one Se(1), one O(15), one O(4), and two equivalent O(10) atoms. The Rb(2)-Se(1) bond length is 1.78 Å. The Rb(2)-O(15) bond length is 2.08 Å. The Rb(2)-O(4) bond length is 1.80 Å. There is one shorter (2.88 Å) and one longer (3.17 Å) Rb(2)-O(10) bond length. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 9-coordinate geometry to two equivalent Se(1), two equivalent Se(3), one O(10), one O(14), one O(2), one O(4), and one O(5) atom. There is one shorter (3.15 Å) and one longer (3.50 Å) Pr(1)-Se(1) bond length. There is one shorter (2.68 Å) and one longer (2.97 Å) Pr(1)-Se(3) bond length. The Pr(1)-O(10) bond length is 2.82 Å. The Pr(1)-O(14) bond length is 2.43 Å. The Pr(1)-O(2) bond length is 2.68 Å. The Pr(1)-O(4) bond length is 2.60 Å. The Pr(1)-O(5) bond length is 2.57 Å. In the second Pr site, Pr(2) is bonded in a 1-coordinate geometry to one O(11), one O(12), one O(14), one O(2), and one O(3) atom. The Pr(2)-O(11) bond length is 2.08 Å. The Pr(2)-O(12) bond length is 2.67 Å. The Pr(2)-O(14) bond length is 2.53 Å. The Pr(2)-O(2) bond length is 2.43 Å. The Pr(2)-O(3) bond length is 2.60 Å. There are four inequivalent Se sites. In the first Se site, Se(1) is bonded in an L-shaped geometry to one Rb(2), two equivalent Pr(1), and one O(12) atom. The Se(1)-O(12) bond length is 1.48 Å. In the second Se site, Se(2) is bonded in a 4-coordinate geometry to one Se(4), one O(11), one O(16), and one O(8) atom. The Se(2)-Se(4) bond length is 1.73 Å. The Se(2)-O(11) bond length is 1.87 Å. The Se(2)-O(16) bond length is 1.99 Å. The Se(2)-O(8) bond length is 1.84 Å. In the third Se site, Se(3) is bonded in a 1-coordinate geometry to two equivalent Pr(1), one O(5), and one O(7) atom. The Se(3)-O(5) bond length is 2.44 Å. The Se(3)-O(7) bond length is 1.91 Å. In the fourth Se site, Se(4) is bonded in a distorted single-bond geometry to one Se(2), one O(16), one O(2), and one O(5) atom. The Se(4)-O(16) bond length is 1.56 Å. The Se(4)-O(2) bond length is 2.31 Å. The Se(4)-O(5) bond length is 2.44 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one O(13) and one O(9) atom. The O(1)-O(13) bond length is 1.50 Å. The O(1)-O(9) bond length is 0.40 Å. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Pr(1), one Pr(2), one Se(4), and one O(14) atom. The O(2)-O(14) bond length is 1.50 Å. In the third O site, O(3) is bonded in a distorted water-like geometry to one Pr(2), one O(6), and one O(8) atom. The O(3)-O(6) bond length is 1.97 Å. The O(3)-O(8) bond length is 1.38 Å. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one Pr(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Rb(1), one Pr(1), one Se(3), and one Se(4) atom. In the sixth O site, O(6) is bonded in an L-shaped geometry to one Rb(1) and one O(3) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Se(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Se(2) and one O(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Rb(1), one O(1), and one O(13) atom. The O(9)-O(13) bond length is 1.61 Å. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Rb(2), one Pr(1), and one O(15) atom. The O(10)-O(15) bond length is 1.91 Å. In the eleventh O site, O(11) is bonded in a water-like geometry to one Pr(2) and one Se(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Pr(2), one Se(1), and one O(15) atom. The O(12)-O(15) bond length is 0.76 Å. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one O(1) and one O(9) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Rb(1), one Pr(1), one Pr(2), and one O(2) atom. In the fifteenth O site, O(15) is bonded in a distorted L-shaped geometry to one Rb(2), one O(10), and one O(12) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Se(2) and one Se(4) atom.