The material structure described by K2MnH8(SO6)2 crystallizes in the triclinic P1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 10-coordinate geometry to one H(3), one O(11), one O(13), one O(18), one O(19), one O(21), one O(23), one O(3), one O(5), and one O(9) atom. In the second K site, K(2) is bonded in a 6-coordinate geometry to one O(13), one O(17), one O(22), one O(23), one O(4), and one O(5) atom. In the third K site, K(3) is bonded in a 9-coordinate geometry to one H(4), one O(1), one O(10), one O(12), one O(14), one O(16), one O(19), one O(24), and one O(6) atom. In the fourth K site, K(4) is bonded in a 6-coordinate geometry to one O(14), one O(15), one O(2), one O(20), one O(24), and one O(6) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one S(3)O4 tetrahedra and  a cornercorner with one S(4)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(13), one O(14), one O(15), one O(16), one O(17), and one O(18) atom to form MnO6 octahedra that share  a cornercorner with one S(1)O4 tetrahedra and  a cornercorner with one S(2)O4 tetrahedra. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one K(1) and one O(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one K(3) and one O(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(15) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(16) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(17) and one O(21) atom. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(18) and one O(22) atom. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(1) and one O(15) atom. In the tenth H site, H(10) is bonded in a distorted single-bond geometry to one O(16) and one O(2) atom. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(17) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(18) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(1) and one O(11) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one O(12) and one O(2) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one O(12) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(11) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded to one O(14), one O(19), one O(20), and one O(23) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 34°. In the second S site, S(2) is bonded to one O(13), one O(21), one O(22), and one O(24) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 32°. In the third S site, S(3) is bonded to one O(1), one O(10), one O(2), and one O(5) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 22°. In the fourth S site, S(4) is bonded to one O(3), one O(4), one O(6), and one O(9) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one K(3), one H(13), one H(9), and one S(3) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(4), one H(10), one H(14), and one S(3) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and one S(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(2) and one S(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one K(1), one K(2), and one S(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one K(3), one K(4), and one S(4) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Mn(1), one H(1), and one H(4) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Mn(1), one H(2), and one H(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one K(1), one Mn(1), and one S(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one K(3), one Mn(1), and one S(3) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one K(1), one Mn(1), one H(13), and one H(16) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one K(3), one Mn(1), one H(14), and one H(15) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(2), one Mn(2), and one S(2) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one K(3), one K(4), one Mn(2), and one S(1) atom. In the fifteenth O site, O(15) is bonded in a distorted water-like geometry to one K(4), one Mn(2), one H(5), and one H(9) atom. In the sixteenth O site, O(16) is bonded in a distorted water-like geometry to one K(3), one Mn(2), one H(10), and one H(6) atom. In the seventeenth O site, O(17) is bonded in a distorted water-like geometry to one K(2), one Mn(2), one H(11), and one H(7) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one K(1), one Mn(2), one H(12), and one H(8) atom. In the nineteenth O site, O(19) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one S(1) atom. In the twentieth O site, O(20) is bonded in a distorted single-bond geometry to one K(4) and one S(1) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one K(1), one H(7), and one S(2) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one K(2), one H(8), and one S(2) atom. In the twenty-third O site, O(23) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(1) atom. In the twenty-fourth O site, O(24) is bonded in a distorted single-bond geometry to one K(3), one K(4), and one S(2) atom. is represented by the CIF file [CIF]
data_K2MnH8(SO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.790
_cell_length_b   7.793
_cell_length_c   10.057
_cell_angle_alpha   86.097
_cell_angle_beta   86.026
_cell_angle_gamma   77.720
_symmetry_Int_Tables_number   1
_cell_volume   594.203
_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
  K  K0  1  0.093  0.568  0.252  1.0
  K  K1  1  0.566  0.097  0.245  1.0
  K  K2  1  0.907  0.431  0.751  1.0
  K  K3  1  0.436  0.903  0.752  1.0
  Mn  Mn4  1  0.000  0.999  0.999  1.0
  Mn  Mn5  1  0.498  0.499  0.499  1.0
  H  H6  1  0.914  0.945  0.725  1.0
  H  H7  1  0.073  0.067  0.274  1.0
  H  H8  1  0.936  0.944  0.282  1.0
  H  H9  1  0.063  0.056  0.717  1.0
  H  H10  1  0.178  0.663  0.612  1.0
  H  H11  1  0.669  0.175  0.615  1.0
  H  H12  1  0.821  0.334  0.386  1.0
  H  H13  1  0.334  0.820  0.385  1.0
  H  H14  1  0.277  0.554  0.732  1.0
  H  H15  1  0.552  0.276  0.732  1.0
  H  H16  1  0.722  0.447  0.268  1.0
  H  H17  1  0.448  0.722  0.268  1.0
  H  H18  1  0.231  0.657  0.962  1.0
  H  H19  1  0.657  0.232  0.962  1.0
  H  H20  1  0.769  0.343  0.038  1.0
  H  H21  1  0.344  0.769  0.039  1.0
  S  S22  1  0.796  0.784  0.523  1.0
  S  S23  1  0.211  0.204  0.471  1.0
  S  S24  1  0.295  0.295  0.954  1.0
  S  S25  1  0.705  0.705  0.045  1.0
  O  O26  1  0.218  0.469  0.885  1.0
  O  O27  1  0.469  0.219  0.885  1.0
  O  O28  1  0.782  0.531  0.115  1.0
  O  O29  1  0.531  0.781  0.114  1.0
  O  O30  1  0.318  0.319  0.095  1.0
  O  O31  1  0.683  0.680  0.904  1.0
  O  O32  1  0.995  0.987  0.780  1.0
  O  O33  1  0.008  0.007  0.219  1.0
  O  O34  1  0.826  0.826  0.060  1.0
  O  O35  1  0.174  0.174  0.940  1.0
  O  O36  1  0.228  0.772  0.000  1.0
  O  O37  1  0.772  0.228  0.999  1.0
  O  O38  1  0.332  0.328  0.433  1.0
  O  O39  1  0.664  0.673  0.565  1.0
  O  O40  1  0.297  0.624  0.648  1.0
  O  O41  1  0.623  0.295  0.648  1.0
  O  O42  1  0.702  0.377  0.352  1.0
  O  O43  1  0.376  0.701  0.351  1.0
  O  O44  1  0.974  0.683  0.554  1.0
  O  O45  1  0.750  0.946  0.602  1.0
  O  O46  1  0.036  0.282  0.417  1.0
  O  O47  1  0.285  0.036  0.407  1.0
  O  O48  1  0.791  0.832  0.377  1.0
  O  O49  1  0.195  0.175  0.619  1.0
[/CIF]
.
The material structure described by K2MnH8(SO6)2 crystallizes in the triclinic P1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 10-coordinate geometry to one H(3), one O(11), one O(13), one O(18), one O(19), one O(21), one O(23), one O(3), one O(5), and one O(9) atom. In the second K site, K(2) is bonded in a 6-coordinate geometry to one O(13), one O(17), one O(22), one O(23), one O(4), and one O(5) atom. In the third K site, K(3) is bonded in a 9-coordinate geometry to one H(4), one O(1), one O(10), one O(12), one O(14), one O(16), one O(19), one O(24), and one O(6) atom. In the fourth K site, K(4) is bonded in a 6-coordinate geometry to one O(14), one O(15), one O(2), one O(20), one O(24), and one O(6) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one S(3)O4 tetrahedra and  a cornercorner with one S(4)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(13), one O(14), one O(15), one O(16), one O(17), and one O(18) atom to form MnO6 octahedra that share  a cornercorner with one S(1)O4 tetrahedra and  a cornercorner with one S(2)O4 tetrahedra. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one K(1) and one O(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one K(3) and one O(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(15) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(16) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(17) and one O(21) atom. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(18) and one O(22) atom. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(1) and one O(15) atom. In the tenth H site, H(10) is bonded in a distorted single-bond geometry to one O(16) and one O(2) atom. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(17) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(18) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(1) and one O(11) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one O(12) and one O(2) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one O(12) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(11) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded to one O(14), one O(19), one O(20), and one O(23) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 34°. In the second S site, S(2) is bonded to one O(13), one O(21), one O(22), and one O(24) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 32°. In the third S site, S(3) is bonded to one O(1), one O(10), one O(2), and one O(5) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 22°. In the fourth S site, S(4) is bonded to one O(3), one O(4), one O(6), and one O(9) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one K(3), one H(13), one H(9), and one S(3) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(4), one H(10), one H(14), and one S(3) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and one S(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(2) and one S(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one K(1), one K(2), and one S(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one K(3), one K(4), and one S(4) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Mn(1), one H(1), and one H(4) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Mn(1), one H(2), and one H(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one K(1), one Mn(1), and one S(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one K(3), one Mn(1), and one S(3) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one K(1), one Mn(1), one H(13), and one H(16) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one K(3), one Mn(1), one H(14), and one H(15) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(2), one Mn(2), and one S(2) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one K(3), one K(4), one Mn(2), and one S(1) atom. In the fifteenth O site, O(15) is bonded in a distorted water-like geometry to one K(4), one Mn(2), one H(5), and one H(9) atom. In the sixteenth O site, O(16) is bonded in a distorted water-like geometry to one K(3), one Mn(2), one H(10), and one H(6) atom. In the seventeenth O site, O(17) is bonded in a distorted water-like geometry to one K(2), one Mn(2), one H(11), and one H(7) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one K(1), one Mn(2), one H(12), and one H(8) atom. In the nineteenth O site, O(19) is bonded in a distorted single-bond geometry to one K(1), one K(3), and one S(1) atom. In the twentieth O site, O(20) is bonded in a distorted single-bond geometry to one K(4) and one S(1) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one K(1), one H(7), and one S(2) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one K(2), one H(8), and one S(2) atom. In the twenty-third O site, O(23) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(1) atom. In the twenty-fourth O site, O(24) is bonded in a distorted single-bond geometry to one K(3), one K(4), and one S(2) atom. is represented by the CIF file [CIF]
data_K2MnH8(SO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.790
_cell_length_b   7.793
_cell_length_c   10.057
_cell_angle_alpha   86.097
_cell_angle_beta   86.026
_cell_angle_gamma   77.720
_symmetry_Int_Tables_number   1
_cell_volume   594.203
_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
  K  K0  1  0.093  0.568  0.252  1.0
  K  K1  1  0.566  0.097  0.245  1.0
  K  K2  1  0.907  0.431  0.751  1.0
  K  K3  1  0.436  0.903  0.752  1.0
  Mn  Mn4  1  0.000  0.999  0.999  1.0
  Mn  Mn5  1  0.498  0.499  0.499  1.0
  H  H6  1  0.914  0.945  0.725  1.0
  H  H7  1  0.073  0.067  0.274  1.0
  H  H8  1  0.936  0.944  0.282  1.0
  H  H9  1  0.063  0.056  0.717  1.0
  H  H10  1  0.178  0.663  0.612  1.0
  H  H11  1  0.669  0.175  0.615  1.0
  H  H12  1  0.821  0.334  0.386  1.0
  H  H13  1  0.334  0.820  0.385  1.0
  H  H14  1  0.277  0.554  0.732  1.0
  H  H15  1  0.552  0.276  0.732  1.0
  H  H16  1  0.722  0.447  0.268  1.0
  H  H17  1  0.448  0.722  0.268  1.0
  H  H18  1  0.231  0.657  0.962  1.0
  H  H19  1  0.657  0.232  0.962  1.0
  H  H20  1  0.769  0.343  0.038  1.0
  H  H21  1  0.344  0.769  0.039  1.0
  S  S22  1  0.796  0.784  0.523  1.0
  S  S23  1  0.211  0.204  0.471  1.0
  S  S24  1  0.295  0.295  0.954  1.0
  S  S25  1  0.705  0.705  0.045  1.0
  O  O26  1  0.218  0.469  0.885  1.0
  O  O27  1  0.469  0.219  0.885  1.0
  O  O28  1  0.782  0.531  0.115  1.0
  O  O29  1  0.531  0.781  0.114  1.0
  O  O30  1  0.318  0.319  0.095  1.0
  O  O31  1  0.683  0.680  0.904  1.0
  O  O32  1  0.995  0.987  0.780  1.0
  O  O33  1  0.008  0.007  0.219  1.0
  O  O34  1  0.826  0.826  0.060  1.0
  O  O35  1  0.174  0.174  0.940  1.0
  O  O36  1  0.228  0.772  0.000  1.0
  O  O37  1  0.772  0.228  0.999  1.0
  O  O38  1  0.332  0.328  0.433  1.0
  O  O39  1  0.664  0.673  0.565  1.0
  O  O40  1  0.297  0.624  0.648  1.0
  O  O41  1  0.623  0.295  0.648  1.0
  O  O42  1  0.702  0.377  0.352  1.0
  O  O43  1  0.376  0.701  0.351  1.0
  O  O44  1  0.974  0.683  0.554  1.0
  O  O45  1  0.750  0.946  0.602  1.0
  O  O46  1  0.036  0.282  0.417  1.0
  O  O47  1  0.285  0.036  0.407  1.0
  O  O48  1  0.791  0.832  0.377  1.0
  O  O49  1  0.195  0.175  0.619  1.0
[/CIF]
.