The material structure described by RbHSeO4 crystallizes in the triclinic P1 space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(9), two equivalent O(11), and two equivalent O(12) atoms. In the second Rb site, Rb(2) is bonded in a 10-coordinate geometry to one O(1), one O(11), one O(5), one O(6), one O(7), one O(9), two equivalent O(3), and two equivalent O(8) atoms. In the third Rb site, Rb(3) is bonded in a 10-coordinate geometry to one O(10), one O(12), one O(2), one O(5), one O(6), one O(8), two equivalent O(4), and two equivalent O(7) atoms. There are three inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(2) atom. In the second H site, H(2) is bonded in a linear geometry to one O(5) and one O(9) atom. In the third H site, H(3) is bonded in a linear geometry to one O(10) and one O(6) atom. There are three inequivalent Se sites. In the first Se site, Se(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Se site, Se(2) is bonded in a tetrahedral geometry to one O(11), one O(5), one O(7), and one O(9) atom. In the third Se site, Se(3) is bonded in a tetrahedral geometry to one O(10), one O(12), one O(6), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Rb(2), one H(1), and one Se(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Rb(1), one Rb(3), one H(1), and one Se(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(2), and one Se(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(3), and one Se(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Rb(2), one Rb(3), one H(2), and one Se(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Rb(2), one Rb(3), one H(3), and one Se(3) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Rb(2), two equivalent Rb(3), and one Se(2) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(2), and one Se(3) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Rb(1), one Rb(2), one H(2), and one Se(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Rb(1), one Rb(3), one H(3), and one Se(3) atom. In the eleventh O site, O(11) is bonded in a 1-coordinate geometry to one Rb(2), two equivalent Rb(1), and one Se(2) atom. In the twelfth O site, O(12) is bonded in a 1-coordinate geometry to one Rb(3), two equivalent Rb(1), and one Se(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbHSeO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.522
_cell_length_b   4.593
_cell_length_c   10.527
_cell_angle_alpha   78.449
_cell_angle_beta   138.252
_cell_angle_gamma   101.951
_symmetry_Int_Tables_number   1
_cell_volume   330.571
_cell_formula_units_Z   3
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  0.491  0.002  0.491  1.0
  Rb  Rb1  1  0.249  0.574  0.919  1.0
  Rb  Rb2  1  0.921  0.426  0.251  1.0
  H  H3  1  0.866  0.544  0.874  1.0
  H  H4  1  0.867  0.142  0.553  1.0
  H  H5  1  0.553  0.858  0.869  1.0
  Se  Se6  1  0.003  0.010  0.000  1.0
  Se  Se7  1  0.743  0.699  0.408  1.0
  Se  Se8  1  0.409  0.298  0.744  1.0
  O  O9  1  0.899  0.293  0.836  1.0
  O  O10  1  0.828  0.712  0.890  1.0
  O  O11  1  0.188  0.935  0.060  1.0
  O  O12  1  0.055  0.053  0.185  1.0
  O  O13  1  0.906  0.467  0.516  1.0
  O  O14  1  0.517  0.533  0.908  1.0
  O  O15  1  0.700  0.906  0.236  1.0
  O  O16  1  0.234  0.090  0.698  1.0
  O  O17  1  0.846  0.924  0.586  1.0
  O  O18  1  0.586  0.075  0.847  1.0
  O  O19  1  0.552  0.530  0.345  1.0
  O  O20  1  0.348  0.465  0.554  1.0
[/CIF]
.
The material structure described by RbHSeO4 crystallizes in the triclinic P1 space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(9), two equivalent O(11), and two equivalent O(12) atoms. In the second Rb site, Rb(2) is bonded in a 10-coordinate geometry to one O(1), one O(11), one O(5), one O(6), one O(7), one O(9), two equivalent O(3), and two equivalent O(8) atoms. In the third Rb site, Rb(3) is bonded in a 10-coordinate geometry to one O(10), one O(12), one O(2), one O(5), one O(6), one O(8), two equivalent O(4), and two equivalent O(7) atoms. There are three inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(2) atom. In the second H site, H(2) is bonded in a linear geometry to one O(5) and one O(9) atom. In the third H site, H(3) is bonded in a linear geometry to one O(10) and one O(6) atom. There are three inequivalent Se sites. In the first Se site, Se(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Se site, Se(2) is bonded in a tetrahedral geometry to one O(11), one O(5), one O(7), and one O(9) atom. In the third Se site, Se(3) is bonded in a tetrahedral geometry to one O(10), one O(12), one O(6), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Rb(2), one H(1), and one Se(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Rb(1), one Rb(3), one H(1), and one Se(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(2), and one Se(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(3), and one Se(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Rb(2), one Rb(3), one H(2), and one Se(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Rb(2), one Rb(3), one H(3), and one Se(3) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Rb(2), two equivalent Rb(3), and one Se(2) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(2), and one Se(3) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Rb(1), one Rb(2), one H(2), and one Se(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Rb(1), one Rb(3), one H(3), and one Se(3) atom. In the eleventh O site, O(11) is bonded in a 1-coordinate geometry to one Rb(2), two equivalent Rb(1), and one Se(2) atom. In the twelfth O site, O(12) is bonded in a 1-coordinate geometry to one Rb(3), two equivalent Rb(1), and one Se(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbHSeO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.522
_cell_length_b   4.593
_cell_length_c   10.527
_cell_angle_alpha   78.449
_cell_angle_beta   138.252
_cell_angle_gamma   101.951
_symmetry_Int_Tables_number   1
_cell_volume   330.571
_cell_formula_units_Z   3
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  0.491  0.002  0.491  1.0
  Rb  Rb1  1  0.249  0.574  0.919  1.0
  Rb  Rb2  1  0.921  0.426  0.251  1.0
  H  H3  1  0.866  0.544  0.874  1.0
  H  H4  1  0.867  0.142  0.553  1.0
  H  H5  1  0.553  0.858  0.869  1.0
  Se  Se6  1  0.003  0.010  0.000  1.0
  Se  Se7  1  0.743  0.699  0.408  1.0
  Se  Se8  1  0.409  0.298  0.744  1.0
  O  O9  1  0.899  0.293  0.836  1.0
  O  O10  1  0.828  0.712  0.890  1.0
  O  O11  1  0.188  0.935  0.060  1.0
  O  O12  1  0.055  0.053  0.185  1.0
  O  O13  1  0.906  0.467  0.516  1.0
  O  O14  1  0.517  0.533  0.908  1.0
  O  O15  1  0.700  0.906  0.236  1.0
  O  O16  1  0.234  0.090  0.698  1.0
  O  O17  1  0.846  0.924  0.586  1.0
  O  O18  1  0.586  0.075  0.847  1.0
  O  O19  1  0.552  0.530  0.345  1.0
  O  O20  1  0.348  0.465  0.554  1.0
[/CIF]
.