The material described by Sr(H8O5)2 crystallizes in the triclinic P1 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(1) and one O(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(5) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(1) and one O(6) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(6) atom. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(2) and one O(7) 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 single-bond geometry to one O(8) atom. In the twelfth H site, H(12) is bonded in a distorted single-bond geometry to one O(2) and one O(8) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(9) atom. In the fourteenth H site, H(14) is bonded in a linear geometry to one O(2) and one O(9) atom. In the fifteenth H site, H(15) is bonded in a linear geometry to one O(10) and one O(2) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(10) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one H(1), one H(3), one H(5), one H(7), and one O(2) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one H(12), one H(14), one H(15), one H(9), and one O(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Sr(1), one H(1), and one H(2) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Sr(1), one H(3), and one H(4) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Sr(1), one H(5), and one H(6) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Sr(1), one H(7), and one H(8) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Sr(1), one H(10), and one H(9) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Sr(1), one H(11), and one H(12) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Sr(1), one H(13), and one H(14) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one Sr(1), one H(15), and one H(16) atom. is represented by the CIF file [CIF]
data_Sr(H8O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.978
_cell_length_b   6.509
_cell_length_c   6.710
_cell_angle_alpha   89.645
_cell_angle_beta   89.599
_cell_angle_gamma   89.595
_symmetry_Int_Tables_number   1
_cell_volume   261.088
_cell_formula_units_Z   1
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
  Sr  Sr0  1  0.987  0.014  0.019  1.0
  H  H1  1  0.693  0.655  0.332  1.0
  H  H2  1  0.725  0.651  0.093  1.0
  H  H3  1  0.695  0.332  0.677  1.0
  H  H4  1  0.700  0.088  0.686  1.0
  H  H5  1  0.712  0.677  0.687  1.0
  H  H6  1  0.556  0.794  0.827  1.0
  H  H7  1  0.729  0.338  0.346  1.0
  H  H8  1  0.579  0.221  0.204  1.0
  H  H9  1  0.275  0.328  0.672  1.0
  H  H10  1  0.396  0.223  0.845  1.0
  H  H11  1  0.430  0.813  0.216  1.0
  H  H12  1  0.276  0.697  0.359  1.0
  H  H13  1  0.286  0.090  0.316  1.0
  H  H14  1  0.306  0.336  0.342  1.0
  H  H15  1  0.294  0.678  0.670  1.0
  H  H16  1  0.272  0.923  0.689  1.0
  O  O17  1  0.625  0.512  0.517  1.0
  O  O18  1  0.372  0.505  0.512  1.0
  O  O19  1  0.718  0.745  0.207  1.0
  O  O20  1  0.720  0.209  0.770  1.0
  O  O21  1  0.719  0.777  0.802  1.0
  O  O22  1  0.741  0.239  0.231  1.0
  O  O23  1  0.250  0.220  0.779  1.0
  O  O24  1  0.272  0.819  0.264  1.0
  O  O25  1  0.283  0.221  0.241  1.0
  O  O26  1  0.264  0.796  0.767  1.0
[/CIF]
.
The material described by Sr(H8O5)2 crystallizes in the triclinic P1 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(1) and one O(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(5) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(1) and one O(6) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(6) atom. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(2) and one O(7) 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 single-bond geometry to one O(8) atom. In the twelfth H site, H(12) is bonded in a distorted single-bond geometry to one O(2) and one O(8) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(9) atom. In the fourteenth H site, H(14) is bonded in a linear geometry to one O(2) and one O(9) atom. In the fifteenth H site, H(15) is bonded in a linear geometry to one O(10) and one O(2) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(10) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one H(1), one H(3), one H(5), one H(7), and one O(2) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one H(12), one H(14), one H(15), one H(9), and one O(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Sr(1), one H(1), and one H(2) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Sr(1), one H(3), and one H(4) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Sr(1), one H(5), and one H(6) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Sr(1), one H(7), and one H(8) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Sr(1), one H(10), and one H(9) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Sr(1), one H(11), and one H(12) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Sr(1), one H(13), and one H(14) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one Sr(1), one H(15), and one H(16) atom. is represented by the CIF file [CIF]
data_Sr(H8O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.978
_cell_length_b   6.509
_cell_length_c   6.710
_cell_angle_alpha   89.645
_cell_angle_beta   89.599
_cell_angle_gamma   89.595
_symmetry_Int_Tables_number   1
_cell_volume   261.088
_cell_formula_units_Z   1
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
  Sr  Sr0  1  0.987  0.014  0.019  1.0
  H  H1  1  0.693  0.655  0.332  1.0
  H  H2  1  0.725  0.651  0.093  1.0
  H  H3  1  0.695  0.332  0.677  1.0
  H  H4  1  0.700  0.088  0.686  1.0
  H  H5  1  0.712  0.677  0.687  1.0
  H  H6  1  0.556  0.794  0.827  1.0
  H  H7  1  0.729  0.338  0.346  1.0
  H  H8  1  0.579  0.221  0.204  1.0
  H  H9  1  0.275  0.328  0.672  1.0
  H  H10  1  0.396  0.223  0.845  1.0
  H  H11  1  0.430  0.813  0.216  1.0
  H  H12  1  0.276  0.697  0.359  1.0
  H  H13  1  0.286  0.090  0.316  1.0
  H  H14  1  0.306  0.336  0.342  1.0
  H  H15  1  0.294  0.678  0.670  1.0
  H  H16  1  0.272  0.923  0.689  1.0
  O  O17  1  0.625  0.512  0.517  1.0
  O  O18  1  0.372  0.505  0.512  1.0
  O  O19  1  0.718  0.745  0.207  1.0
  O  O20  1  0.720  0.209  0.770  1.0
  O  O21  1  0.719  0.777  0.802  1.0
  O  O22  1  0.741  0.239  0.231  1.0
  O  O23  1  0.250  0.220  0.779  1.0
  O  O24  1  0.272  0.819  0.264  1.0
  O  O25  1  0.283  0.221  0.241  1.0
  O  O26  1  0.264  0.796  0.767  1.0
[/CIF]
.