The compound described by Sr3H5(OsO4)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one H(1), one H(3), one H(5), one O(3), one O(4), one O(6), one O(8), and two equivalent O(7) atoms. In the second Sr site, Sr(2) is bonded in a 5-coordinate geometry to one H(2), one H(5), one O(5), two equivalent O(3), and two equivalent O(4) atoms. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one H(1), one O(1), one O(5), one O(6), one O(8), and two equivalent O(2) atoms. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a distorted rectangular see-saw-like geometry to one H(1), one H(2), one O(2), one O(5), one O(7), and one O(8) atom. In the second Os site, Os(2) is bonded in a distorted octahedral geometry to one H(3), one H(5), one O(1), one O(3), one O(4), and one O(6) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a distorted water-like geometry to one Sr(1), one Sr(3), and one Os(1) atom. In the second H site, H(2) is bonded in a distorted bent 120 degrees geometry to one Sr(2) and one Os(1) atom. In the third H site, H(3) is bonded in a water-like geometry to one Sr(1) and one Os(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(1) atom. In the fifth H site, H(5) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), and one Os(2) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one Os(1) atom. In the second O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(3), and one Os(1) atom. In the third O site, O(1) is bonded in a distorted single-bond geometry to one Sr(3), one Os(2), and one H(4) atom. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sr(3) and one Os(1) atom. In the fifth O site, O(3) is bonded in a distorted see-saw-like geometry to one Sr(1), two equivalent Sr(2), and one Os(2) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), two equivalent Sr(2), and one Os(2) atom. In the seventh O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Sr(2), one Sr(3), and one Os(1) atom. In the eighth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(3), and one Os(2) atom. is represented by the CIF file [CIF]
data_Sr3H5(OsO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.878
_cell_length_b   9.993
_cell_length_c   10.920
_cell_angle_alpha   109.917
_cell_angle_beta   102.222
_cell_angle_gamma   107.610
_symmetry_Int_Tables_number   1
_cell_volume   538.193
_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  0.187  0.241  0.653  1.0
  Sr  Sr1  1  0.813  0.759  0.347  1.0
  Sr  Sr2  1  0.608  0.353  0.402  1.0
  Sr  Sr3  1  0.392  0.647  0.598  1.0
  Sr  Sr4  1  0.256  0.864  0.081  1.0
  Sr  Sr5  1  0.744  0.136  0.919  1.0
  H  H6  1  0.304  0.990  0.688  1.0
  H  H7  1  0.696  0.010  0.312  1.0
  H  H8  1  0.007  0.242  0.372  1.0
  H  H9  1  0.993  0.758  0.628  1.0
  H  H10  1  0.084  0.431  0.835  1.0
  H  H11  1  0.916  0.569  0.165  1.0
  H  H12  1  0.239  0.329  0.143  1.0
  H  H13  1  0.761  0.671  0.857  1.0
  H  H14  1  0.255  0.753  0.388  1.0
  H  H15  1  0.745  0.247  0.612  1.0
  Os  Os16  1  0.948  0.057  0.255  1.0
  Os  Os17  1  0.052  0.943  0.745  1.0
  Os  Os18  1  0.180  0.574  0.264  1.0
  Os  Os19  1  0.820  0.426  0.736  1.0
  O  O20  1  0.103  0.361  0.115  1.0
  O  O21  1  0.897  0.639  0.885  1.0
  O  O22  1  0.728  0.087  0.136  1.0
  O  O23  1  0.272  0.913  0.864  1.0
  O  O24  1  0.490  0.559  0.379  1.0
  O  O25  1  0.510  0.441  0.621  1.0
  O  O26  1  0.017  0.490  0.642  1.0
  O  O27  1  0.983  0.510  0.358  1.0
  O  O28  1  0.240  0.129  0.204  1.0
  O  O29  1  0.760  0.871  0.796  1.0
  O  O30  1  0.346  0.684  0.187  1.0
  O  O31  1  0.654  0.316  0.813  1.0
  O  O32  1  0.123  0.057  0.416  1.0
  O  O33  1  0.877  0.943  0.584  1.0
  O  O34  1  0.133  0.158  0.845  1.0
  O  O35  1  0.867  0.842  0.155  1.0
[/CIF]
.
The compound described by Sr3H5(OsO4)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one H(1), one H(3), one H(5), one O(3), one O(4), one O(6), one O(8), and two equivalent O(7) atoms. In the second Sr site, Sr(2) is bonded in a 5-coordinate geometry to one H(2), one H(5), one O(5), two equivalent O(3), and two equivalent O(4) atoms. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one H(1), one O(1), one O(5), one O(6), one O(8), and two equivalent O(2) atoms. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a distorted rectangular see-saw-like geometry to one H(1), one H(2), one O(2), one O(5), one O(7), and one O(8) atom. In the second Os site, Os(2) is bonded in a distorted octahedral geometry to one H(3), one H(5), one O(1), one O(3), one O(4), and one O(6) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a distorted water-like geometry to one Sr(1), one Sr(3), and one Os(1) atom. In the second H site, H(2) is bonded in a distorted bent 120 degrees geometry to one Sr(2) and one Os(1) atom. In the third H site, H(3) is bonded in a water-like geometry to one Sr(1) and one Os(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(1) atom. In the fifth H site, H(5) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), and one Os(2) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one Os(1) atom. In the second O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(3), and one Os(1) atom. In the third O site, O(1) is bonded in a distorted single-bond geometry to one Sr(3), one Os(2), and one H(4) atom. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sr(3) and one Os(1) atom. In the fifth O site, O(3) is bonded in a distorted see-saw-like geometry to one Sr(1), two equivalent Sr(2), and one Os(2) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), two equivalent Sr(2), and one Os(2) atom. In the seventh O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Sr(2), one Sr(3), and one Os(1) atom. In the eighth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(3), and one Os(2) atom. is represented by the CIF file [CIF]
data_Sr3H5(OsO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.878
_cell_length_b   9.993
_cell_length_c   10.920
_cell_angle_alpha   109.917
_cell_angle_beta   102.222
_cell_angle_gamma   107.610
_symmetry_Int_Tables_number   1
_cell_volume   538.193
_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  0.187  0.241  0.653  1.0
  Sr  Sr1  1  0.813  0.759  0.347  1.0
  Sr  Sr2  1  0.608  0.353  0.402  1.0
  Sr  Sr3  1  0.392  0.647  0.598  1.0
  Sr  Sr4  1  0.256  0.864  0.081  1.0
  Sr  Sr5  1  0.744  0.136  0.919  1.0
  H  H6  1  0.304  0.990  0.688  1.0
  H  H7  1  0.696  0.010  0.312  1.0
  H  H8  1  0.007  0.242  0.372  1.0
  H  H9  1  0.993  0.758  0.628  1.0
  H  H10  1  0.084  0.431  0.835  1.0
  H  H11  1  0.916  0.569  0.165  1.0
  H  H12  1  0.239  0.329  0.143  1.0
  H  H13  1  0.761  0.671  0.857  1.0
  H  H14  1  0.255  0.753  0.388  1.0
  H  H15  1  0.745  0.247  0.612  1.0
  Os  Os16  1  0.948  0.057  0.255  1.0
  Os  Os17  1  0.052  0.943  0.745  1.0
  Os  Os18  1  0.180  0.574  0.264  1.0
  Os  Os19  1  0.820  0.426  0.736  1.0
  O  O20  1  0.103  0.361  0.115  1.0
  O  O21  1  0.897  0.639  0.885  1.0
  O  O22  1  0.728  0.087  0.136  1.0
  O  O23  1  0.272  0.913  0.864  1.0
  O  O24  1  0.490  0.559  0.379  1.0
  O  O25  1  0.510  0.441  0.621  1.0
  O  O26  1  0.017  0.490  0.642  1.0
  O  O27  1  0.983  0.510  0.358  1.0
  O  O28  1  0.240  0.129  0.204  1.0
  O  O29  1  0.760  0.871  0.796  1.0
  O  O30  1  0.346  0.684  0.187  1.0
  O  O31  1  0.654  0.316  0.813  1.0
  O  O32  1  0.123  0.057  0.416  1.0
  O  O33  1  0.877  0.943  0.584  1.0
  O  O34  1  0.133  0.158  0.845  1.0
  O  O35  1  0.867  0.842  0.155  1.0
[/CIF]
.