The structure described by LiSr2(H4O3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a 6-coordinate geometry to one H(3), one H(4), one O(5), one O(6), and two equivalent O(2) atoms. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), two equivalent O(3), and two equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. There are eight 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(1) atom. In the third H site, H(3) is bonded in a 3-coordinate geometry to one Li(1), one O(2), and one O(4) atom. In the fourth H site, H(4) is bonded in a 3-coordinate geometry to one Li(1), one O(2), and one O(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(5) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Sr(1), one Sr(2), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to two equivalent Li(1), one Sr(1), one H(3), and one H(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one H(5) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to two equivalent Sr(2), one H(3), one H(4), and one H(6) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Li(1), two equivalent Sr(1), two equivalent Sr(2), and one H(7) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), two equivalent Sr(2), and one H(8) atom. is represented by the CIF file [CIF]
data_Sr2Li(H4O3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.822
_cell_length_b   6.973
_cell_length_c   7.640
_cell_angle_alpha   81.771
_cell_angle_beta   90.026
_cell_angle_gamma   89.757
_symmetry_Int_Tables_number   1
_cell_volume   201.526
_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  0.002  0.612  0.679  1.0
  Sr  Sr1  1  0.998  0.338  0.222  1.0
  Li  Li2  1  0.492  0.674  0.306  1.0
  H  H3  1  0.210  0.193  0.845  1.0
  H  H4  1  0.788  0.193  0.845  1.0
  H  H5  1  0.798  0.919  0.326  1.0
  H  H6  1  0.206  0.922  0.327  1.0
  H  H7  1  0.501  0.911  0.785  1.0
  H  H8  1  0.500  0.037  0.118  1.0
  H  H9  1  0.502  0.330  0.562  1.0
  H  H10  1  0.498  0.635  0.996  1.0
  O  O11  1  0.999  0.266  0.883  1.0
  O  O12  1  0.004  0.828  0.371  1.0
  O  O13  1  0.501  0.772  0.778  1.0
  O  O14  1  0.501  0.057  0.243  1.0
  O  O15  1  0.503  0.456  0.485  1.0
  O  O16  1  0.497  0.545  0.110  1.0
[/CIF]
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The structure described by LiSr2(H4O3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a 6-coordinate geometry to one H(3), one H(4), one O(5), one O(6), and two equivalent O(2) atoms. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), two equivalent O(3), and two equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. There are eight 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(1) atom. In the third H site, H(3) is bonded in a 3-coordinate geometry to one Li(1), one O(2), and one O(4) atom. In the fourth H site, H(4) is bonded in a 3-coordinate geometry to one Li(1), one O(2), and one O(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(5) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Sr(1), one Sr(2), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to two equivalent Li(1), one Sr(1), one H(3), and one H(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one H(5) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to two equivalent Sr(2), one H(3), one H(4), and one H(6) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Li(1), two equivalent Sr(1), two equivalent Sr(2), and one H(7) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), two equivalent Sr(2), and one H(8) atom. is represented by the CIF file [CIF]
data_Sr2Li(H4O3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.822
_cell_length_b   6.973
_cell_length_c   7.640
_cell_angle_alpha   81.771
_cell_angle_beta   90.026
_cell_angle_gamma   89.757
_symmetry_Int_Tables_number   1
_cell_volume   201.526
_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  0.002  0.612  0.679  1.0
  Sr  Sr1  1  0.998  0.338  0.222  1.0
  Li  Li2  1  0.492  0.674  0.306  1.0
  H  H3  1  0.210  0.193  0.845  1.0
  H  H4  1  0.788  0.193  0.845  1.0
  H  H5  1  0.798  0.919  0.326  1.0
  H  H6  1  0.206  0.922  0.327  1.0
  H  H7  1  0.501  0.911  0.785  1.0
  H  H8  1  0.500  0.037  0.118  1.0
  H  H9  1  0.502  0.330  0.562  1.0
  H  H10  1  0.498  0.635  0.996  1.0
  O  O11  1  0.999  0.266  0.883  1.0
  O  O12  1  0.004  0.828  0.371  1.0
  O  O13  1  0.501  0.772  0.778  1.0
  O  O14  1  0.501  0.057  0.243  1.0
  O  O15  1  0.503  0.456  0.485  1.0
  O  O16  1  0.497  0.545  0.110  1.0
[/CIF]
.