The material structure described by CdH2(SO4)2 crystallizes in the monoclinic P2_1/c space group. Cd(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form CdO6 octahedra that share corners with three equivalent S(1)O4 tetrahedra and corners with three equivalent S(2)O4 tetrahedra. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) and one O(8) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded to one O(2), one O(3), one O(6), and one O(7) atom to form SO4 tetrahedra that share corners with three equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-57°. In the second S site, S(2) is bonded to one O(1), one O(4), one O(5), and one O(8) atom to form SO4 tetrahedra that share corners with three equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-56°. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one S(1) atom. In the second O site, O(8) is bonded in a 3-coordinate geometry to one Cd(1), one H(2), and one S(2) atom. In the third O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one S(2) atom. In the fourth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one S(1) atom. In the fifth O site, O(3) is bonded in a bent 120 degrees geometry to one Cd(1) and one S(1) atom. In the sixth O site, O(4) is bonded in a water-like geometry to one H(1) and one S(2) atom. In the seventh O site, O(5) is bonded in a bent 150 degrees geometry to one Cd(1) and one S(2) atom. In the eighth O site, O(6) is bonded in a bent 120 degrees geometry to one H(2) and one S(1) atom. is represented by the CIF card [CIF]
data_CdH2(SO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.691
_cell_length_b   5.447
_cell_length_c   8.708
_cell_angle_alpha   87.602
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   648.837
_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
  Cd  Cd0  1  0.046  0.722  0.745  1.0
  Cd  Cd1  1  0.454  0.722  0.245  1.0
  Cd  Cd2  1  0.546  0.278  0.755  1.0
  Cd  Cd3  1  0.954  0.278  0.255  1.0
  H  H4  1  0.746  0.930  0.573  1.0
  H  H5  1  0.754  0.930  0.073  1.0
  H  H6  1  0.277  0.597  0.697  1.0
  H  H7  1  0.223  0.597  0.197  1.0
  H  H8  1  0.777  0.403  0.803  1.0
  H  H9  1  0.723  0.403  0.303  1.0
  H  H10  1  0.246  0.070  0.927  1.0
  H  H11  1  0.254  0.070  0.427  1.0
  S  S12  1  0.406  0.797  0.625  1.0
  S  S13  1  0.642  0.753  0.944  1.0
  S  S14  1  0.094  0.797  0.125  1.0
  S  S15  1  0.858  0.753  0.444  1.0
  S  S16  1  0.142  0.247  0.556  1.0
  S  S17  1  0.906  0.203  0.875  1.0
  S  S18  1  0.358  0.247  0.056  1.0
  S  S19  1  0.594  0.203  0.375  1.0
  O  O20  1  0.654  0.973  0.842  1.0
  O  O21  1  0.921  0.944  0.839  1.0
  O  O22  1  0.846  0.973  0.342  1.0
  O  O23  1  0.579  0.944  0.339  1.0
  O  O24  1  0.138  0.773  0.972  1.0
  O  O25  1  0.774  0.763  0.569  1.0
  O  O26  1  0.362  0.773  0.472  1.0
  O  O27  1  0.726  0.763  0.069  1.0
  O  O28  1  0.952  0.738  0.521  1.0
  O  O29  1  0.548  0.738  0.021  1.0
  O  O30  1  0.329  0.695  0.746  1.0
  O  O31  1  0.171  0.695  0.246  1.0
  O  O32  1  0.496  0.653  0.649  1.0
  O  O33  1  0.004  0.653  0.149  1.0
  O  O34  1  0.664  0.522  0.866  1.0
  O  O35  1  0.836  0.522  0.366  1.0
  O  O36  1  0.164  0.478  0.634  1.0
  O  O37  1  0.336  0.478  0.134  1.0
  O  O38  1  0.996  0.347  0.851  1.0
  O  O39  1  0.504  0.347  0.351  1.0
  O  O40  1  0.829  0.305  0.754  1.0
  O  O41  1  0.671  0.305  0.254  1.0
  O  O42  1  0.452  0.262  0.979  1.0
  O  O43  1  0.048  0.262  0.479  1.0
  O  O44  1  0.274  0.237  0.931  1.0
  O  O45  1  0.638  0.227  0.528  1.0
  O  O46  1  0.226  0.237  0.431  1.0
  O  O47  1  0.862  0.227  0.028  1.0
  O  O48  1  0.421  0.056  0.661  1.0
  O  O49  1  0.154  0.027  0.658  1.0
  O  O50  1  0.079  0.056  0.161  1.0
  O  O51  1  0.346  0.027  0.158  1.0
[/CIF]
.
The material structure described by CdH2(SO4)2 crystallizes in the monoclinic P2_1/c space group. Cd(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form CdO6 octahedra that share corners with three equivalent S(1)O4 tetrahedra and corners with three equivalent S(2)O4 tetrahedra. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) and one O(8) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded to one O(2), one O(3), one O(6), and one O(7) atom to form SO4 tetrahedra that share corners with three equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-57°. In the second S site, S(2) is bonded to one O(1), one O(4), one O(5), and one O(8) atom to form SO4 tetrahedra that share corners with three equivalent Cd(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-56°. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one S(1) atom. In the second O site, O(8) is bonded in a 3-coordinate geometry to one Cd(1), one H(2), and one S(2) atom. In the third O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one S(2) atom. In the fourth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one S(1) atom. In the fifth O site, O(3) is bonded in a bent 120 degrees geometry to one Cd(1) and one S(1) atom. In the sixth O site, O(4) is bonded in a water-like geometry to one H(1) and one S(2) atom. In the seventh O site, O(5) is bonded in a bent 150 degrees geometry to one Cd(1) and one S(2) atom. In the eighth O site, O(6) is bonded in a bent 120 degrees geometry to one H(2) and one S(1) atom. is represented by the CIF card [CIF]
data_CdH2(SO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.691
_cell_length_b   5.447
_cell_length_c   8.708
_cell_angle_alpha   87.602
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   648.837
_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
  Cd  Cd0  1  0.046  0.722  0.745  1.0
  Cd  Cd1  1  0.454  0.722  0.245  1.0
  Cd  Cd2  1  0.546  0.278  0.755  1.0
  Cd  Cd3  1  0.954  0.278  0.255  1.0
  H  H4  1  0.746  0.930  0.573  1.0
  H  H5  1  0.754  0.930  0.073  1.0
  H  H6  1  0.277  0.597  0.697  1.0
  H  H7  1  0.223  0.597  0.197  1.0
  H  H8  1  0.777  0.403  0.803  1.0
  H  H9  1  0.723  0.403  0.303  1.0
  H  H10  1  0.246  0.070  0.927  1.0
  H  H11  1  0.254  0.070  0.427  1.0
  S  S12  1  0.406  0.797  0.625  1.0
  S  S13  1  0.642  0.753  0.944  1.0
  S  S14  1  0.094  0.797  0.125  1.0
  S  S15  1  0.858  0.753  0.444  1.0
  S  S16  1  0.142  0.247  0.556  1.0
  S  S17  1  0.906  0.203  0.875  1.0
  S  S18  1  0.358  0.247  0.056  1.0
  S  S19  1  0.594  0.203  0.375  1.0
  O  O20  1  0.654  0.973  0.842  1.0
  O  O21  1  0.921  0.944  0.839  1.0
  O  O22  1  0.846  0.973  0.342  1.0
  O  O23  1  0.579  0.944  0.339  1.0
  O  O24  1  0.138  0.773  0.972  1.0
  O  O25  1  0.774  0.763  0.569  1.0
  O  O26  1  0.362  0.773  0.472  1.0
  O  O27  1  0.726  0.763  0.069  1.0
  O  O28  1  0.952  0.738  0.521  1.0
  O  O29  1  0.548  0.738  0.021  1.0
  O  O30  1  0.329  0.695  0.746  1.0
  O  O31  1  0.171  0.695  0.246  1.0
  O  O32  1  0.496  0.653  0.649  1.0
  O  O33  1  0.004  0.653  0.149  1.0
  O  O34  1  0.664  0.522  0.866  1.0
  O  O35  1  0.836  0.522  0.366  1.0
  O  O36  1  0.164  0.478  0.634  1.0
  O  O37  1  0.336  0.478  0.134  1.0
  O  O38  1  0.996  0.347  0.851  1.0
  O  O39  1  0.504  0.347  0.351  1.0
  O  O40  1  0.829  0.305  0.754  1.0
  O  O41  1  0.671  0.305  0.254  1.0
  O  O42  1  0.452  0.262  0.979  1.0
  O  O43  1  0.048  0.262  0.479  1.0
  O  O44  1  0.274  0.237  0.931  1.0
  O  O45  1  0.638  0.227  0.528  1.0
  O  O46  1  0.226  0.237  0.431  1.0
  O  O47  1  0.862  0.227  0.028  1.0
  O  O48  1  0.421  0.056  0.661  1.0
  O  O49  1  0.154  0.027  0.658  1.0
  O  O50  1  0.079  0.056  0.161  1.0
  O  O51  1  0.346  0.027  0.158  1.0
[/CIF]
.