The crystal structure described by Sr(H2O3)2 crystallizes in the monoclinic Cc space group. Sr(1) is bonded in a 9-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are four inequivalent H sites. In the first H site, H(1) is bonded in a bent 150 degrees geometry to one O(3) and one O(6) atom. In the second H site, H(2) is bonded in a linear geometry to one O(2) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(4) and one O(6) atom. In the fourth H site, H(4) is bonded in a distorted bent 150 degrees geometry to one O(1) and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(4) atom. In the second O site, O(2) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Sr(1) and one H(3) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Sr(1), one H(2), and one H(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one H(1), and one H(3) atom. is represented by the CIF card [CIF]
data_Sr(H2O3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.035
_cell_length_b   6.035
_cell_length_c   6.117
_cell_angle_alpha   88.031
_cell_angle_beta   88.031
_cell_angle_gamma   97.886
_symmetry_Int_Tables_number   1
_cell_volume   220.350
_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
  Sr  Sr0  1  0.802  0.184  0.260  1.0
  Sr  Sr1  1  0.184  0.802  0.760  1.0
  H  H2  1  0.621  0.995  0.735  1.0
  H  H3  1  0.002  0.316  0.758  1.0
  H  H4  1  0.316  0.002  0.258  1.0
  H  H5  1  0.995  0.621  0.235  1.0
  H  H6  1  0.393  0.293  0.919  1.0
  H  H7  1  0.293  0.393  0.419  1.0
  H  H8  1  0.808  0.659  0.556  1.0
  H  H9  1  0.659  0.808  0.056  1.0
  O  O10  1  0.821  0.835  0.531  1.0
  O  O11  1  0.075  0.233  0.884  1.0
  O  O12  1  0.233  0.075  0.384  1.0
  O  O13  1  0.835  0.821  0.031  1.0
  O  O14  1  0.604  0.904  0.588  1.0
  O  O15  1  0.273  0.399  0.918  1.0
  O  O16  1  0.399  0.273  0.418  1.0
  O  O17  1  0.904  0.604  0.088  1.0
  O  O18  1  0.447  0.910  0.073  1.0
  O  O19  1  0.107  0.547  0.427  1.0
  O  O20  1  0.547  0.107  0.927  1.0
  O  O21  1  0.910  0.447  0.573  1.0
[/CIF]
.
The crystal structure described by Sr(H2O3)2 crystallizes in the monoclinic Cc space group. Sr(1) is bonded in a 9-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are four inequivalent H sites. In the first H site, H(1) is bonded in a bent 150 degrees geometry to one O(3) and one O(6) atom. In the second H site, H(2) is bonded in a linear geometry to one O(2) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(4) and one O(6) atom. In the fourth H site, H(4) is bonded in a distorted bent 150 degrees geometry to one O(1) and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(4) atom. In the second O site, O(2) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Sr(1) and one H(3) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Sr(1), one H(2), and one H(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one H(1), and one H(3) atom. is represented by the CIF card [CIF]
data_Sr(H2O3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.035
_cell_length_b   6.035
_cell_length_c   6.117
_cell_angle_alpha   88.031
_cell_angle_beta   88.031
_cell_angle_gamma   97.886
_symmetry_Int_Tables_number   1
_cell_volume   220.350
_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
  Sr  Sr0  1  0.802  0.184  0.260  1.0
  Sr  Sr1  1  0.184  0.802  0.760  1.0
  H  H2  1  0.621  0.995  0.735  1.0
  H  H3  1  0.002  0.316  0.758  1.0
  H  H4  1  0.316  0.002  0.258  1.0
  H  H5  1  0.995  0.621  0.235  1.0
  H  H6  1  0.393  0.293  0.919  1.0
  H  H7  1  0.293  0.393  0.419  1.0
  H  H8  1  0.808  0.659  0.556  1.0
  H  H9  1  0.659  0.808  0.056  1.0
  O  O10  1  0.821  0.835  0.531  1.0
  O  O11  1  0.075  0.233  0.884  1.0
  O  O12  1  0.233  0.075  0.384  1.0
  O  O13  1  0.835  0.821  0.031  1.0
  O  O14  1  0.604  0.904  0.588  1.0
  O  O15  1  0.273  0.399  0.918  1.0
  O  O16  1  0.399  0.273  0.418  1.0
  O  O17  1  0.904  0.604  0.088  1.0
  O  O18  1  0.447  0.910  0.073  1.0
  O  O19  1  0.107  0.547  0.427  1.0
  O  O20  1  0.547  0.107  0.927  1.0
  O  O21  1  0.910  0.447  0.573  1.0
[/CIF]
.