The compound described by H2Pt(OH)6 crystallizes in the triclinic P1 space group. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in an octahedral geometry to one O(1), one O(10), one O(12), one O(3), one O(6), and one O(8) atom. In the second Pt site, Pt(2) is bonded in an octahedral geometry to one O(11), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. In the third H site, H(3) is bonded in a linear geometry to one O(3) and one O(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(4) atom. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(5) and one O(7) atom. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. In the eighth H site, H(8) is bonded in a linear geometry to one O(4) and one O(6) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(6) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(7) atom. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(4) and one O(8) atom. In the twelfth H site, H(12) is bonded in a linear geometry to one O(2) and one O(8) atom. In the thirteenth H site, H(13) is bonded in a distorted linear geometry to one O(10) and one O(9) atom. In the fourteenth H site, H(14) is bonded in a distorted linear geometry to one O(10) and one O(12) atom. In the fifteenth H site, H(15) is bonded in a distorted linear geometry to one O(11) and one O(9) atom. In the sixteenth H site, H(16) is bonded in a distorted single-bond geometry to one O(12) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Pt(1), one H(1), and one H(7) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Pt(2), one H(12), and one H(2) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Pt(1), one H(3), and one H(4) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Pt(2), one H(11), one H(5), and one H(8) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Pt(2), one H(6), and one H(7) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Pt(1), one H(8), and one H(9) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Pt(2), one H(10), one H(3), and one H(6) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Pt(1), one H(11), and one H(12) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Pt(2), one H(13), and one H(15) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Pt(1), one H(13), and one H(14) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Pt(2) and one H(15) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Pt(1), one H(14), and one H(16) atom. is represented by the CIF card [CIF]
data_H8PtO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.597
_cell_length_b   5.708
_cell_length_c   7.491
_cell_angle_alpha   87.769
_cell_angle_beta   84.291
_cell_angle_gamma   78.765
_symmetry_Int_Tables_number   1
_cell_volume   233.514
_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
  H  H0  1  0.912  0.280  0.239  1.0
  H  H1  1  0.744  0.985  0.273  1.0
  H  H2  1  0.864  0.610  0.849  1.0
  H  H3  1  0.155  0.485  0.825  1.0
  H  H4  1  0.271  0.926  0.750  1.0
  H  H5  1  0.467  0.469  0.003  1.0
  H  H6  1  0.205  0.397  0.107  1.0
  H  H7  1  0.578  0.813  0.630  1.0
  H  H8  1  0.551  0.696  0.438  1.0
  H  H9  1  0.758  0.603  0.096  1.0
  H  H10  1  0.384  0.214  0.590  1.0
  H  H11  1  0.426  0.205  0.375  1.0
  H  H12  1  0.174  0.846  0.201  1.0
  H  H13  1  0.036  0.939  0.483  1.0
  H  H14  1  0.957  0.026  0.978  1.0
  H  H15  1  0.856  0.172  0.704  1.0
  Pt  Pt16  1  0.999  0.496  0.501  1.0
  Pt  Pt17  1  0.507  0.000  0.000  1.0
  O  O18  1  0.968  0.432  0.242  1.0
  O  O19  1  0.568  0.009  0.260  1.0
  O  O20  1  0.028  0.592  0.759  1.0
  O  O21  1  0.423  0.990  0.740  1.0
  O  O22  1  0.341  0.359  0.002  1.0
  O  O23  1  0.644  0.663  0.545  1.0
  O  O24  1  0.664  0.651  0.989  1.0
  O  O25  1  0.355  0.323  0.480  1.0
  O  O26  1  0.191  0.882  0.067  1.0
  O  O27  1  0.126  0.794  0.413  1.0
  O  O28  1  0.813  0.130  0.923  1.0
  O  O29  1  0.889  0.185  0.569  1.0
[/CIF]
.
The compound described by H2Pt(OH)6 crystallizes in the triclinic P1 space group. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in an octahedral geometry to one O(1), one O(10), one O(12), one O(3), one O(6), and one O(8) atom. In the second Pt site, Pt(2) is bonded in an octahedral geometry to one O(11), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. In the third H site, H(3) is bonded in a linear geometry to one O(3) and one O(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(4) atom. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(5) and one O(7) atom. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. In the eighth H site, H(8) is bonded in a linear geometry to one O(4) and one O(6) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(6) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(7) atom. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(4) and one O(8) atom. In the twelfth H site, H(12) is bonded in a linear geometry to one O(2) and one O(8) atom. In the thirteenth H site, H(13) is bonded in a distorted linear geometry to one O(10) and one O(9) atom. In the fourteenth H site, H(14) is bonded in a distorted linear geometry to one O(10) and one O(12) atom. In the fifteenth H site, H(15) is bonded in a distorted linear geometry to one O(11) and one O(9) atom. In the sixteenth H site, H(16) is bonded in a distorted single-bond geometry to one O(12) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Pt(1), one H(1), and one H(7) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Pt(2), one H(12), and one H(2) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Pt(1), one H(3), and one H(4) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Pt(2), one H(11), one H(5), and one H(8) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Pt(2), one H(6), and one H(7) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Pt(1), one H(8), and one H(9) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Pt(2), one H(10), one H(3), and one H(6) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Pt(1), one H(11), and one H(12) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Pt(2), one H(13), and one H(15) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Pt(1), one H(13), and one H(14) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Pt(2) and one H(15) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Pt(1), one H(14), and one H(16) atom. is represented by the CIF card [CIF]
data_H8PtO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.597
_cell_length_b   5.708
_cell_length_c   7.491
_cell_angle_alpha   87.769
_cell_angle_beta   84.291
_cell_angle_gamma   78.765
_symmetry_Int_Tables_number   1
_cell_volume   233.514
_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
  H  H0  1  0.912  0.280  0.239  1.0
  H  H1  1  0.744  0.985  0.273  1.0
  H  H2  1  0.864  0.610  0.849  1.0
  H  H3  1  0.155  0.485  0.825  1.0
  H  H4  1  0.271  0.926  0.750  1.0
  H  H5  1  0.467  0.469  0.003  1.0
  H  H6  1  0.205  0.397  0.107  1.0
  H  H7  1  0.578  0.813  0.630  1.0
  H  H8  1  0.551  0.696  0.438  1.0
  H  H9  1  0.758  0.603  0.096  1.0
  H  H10  1  0.384  0.214  0.590  1.0
  H  H11  1  0.426  0.205  0.375  1.0
  H  H12  1  0.174  0.846  0.201  1.0
  H  H13  1  0.036  0.939  0.483  1.0
  H  H14  1  0.957  0.026  0.978  1.0
  H  H15  1  0.856  0.172  0.704  1.0
  Pt  Pt16  1  0.999  0.496  0.501  1.0
  Pt  Pt17  1  0.507  0.000  0.000  1.0
  O  O18  1  0.968  0.432  0.242  1.0
  O  O19  1  0.568  0.009  0.260  1.0
  O  O20  1  0.028  0.592  0.759  1.0
  O  O21  1  0.423  0.990  0.740  1.0
  O  O22  1  0.341  0.359  0.002  1.0
  O  O23  1  0.644  0.663  0.545  1.0
  O  O24  1  0.664  0.651  0.989  1.0
  O  O25  1  0.355  0.323  0.480  1.0
  O  O26  1  0.191  0.882  0.067  1.0
  O  O27  1  0.126  0.794  0.413  1.0
  O  O28  1  0.813  0.130  0.923  1.0
  O  O29  1  0.889  0.185  0.569  1.0
[/CIF]
.