The material described by LiSr2(H4O3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a distorted T-shaped geometry to one O(4), one O(5), and one O(6) atom. 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 3-coordinate geometry to one O(1) and two equivalent O(6) atoms. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. In the second H site, H(2) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(2) 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 distorted 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 water-like geometry to 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), one H(1), one H(2), and one H(5) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Li(1) and one H(6) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), two equivalent Sr(1), 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   3.994
_cell_length_b   5.866
_cell_length_c   8.863
_cell_angle_alpha   95.233
_cell_angle_beta   90.102
_cell_angle_gamma   89.901
_symmetry_Int_Tables_number   1
_cell_volume   206.796
_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  0.680  0.680  1.0
  Sr  Sr1  1  0.998  0.229  0.090  1.0
  Li  Li2  1  0.498  0.399  0.357  1.0
  H  H3  1  0.204  0.161  0.756  1.0
  H  H4  1  0.800  0.161  0.756  1.0
  H  H5  1  0.804  0.898  0.372  1.0
  H  H6  1  0.195  0.899  0.372  1.0
  H  H7  1  0.501  0.005  0.575  1.0
  H  H8  1  0.498  0.947  0.201  1.0
  H  H9  1  0.502  0.327  0.612  1.0
  H  H10  1  0.496  0.607  0.101  1.0
  O  O11  1  0.002  0.251  0.803  1.0
  O  O12  1  0.000  0.817  0.414  1.0
  O  O13  1  0.502  0.999  0.685  1.0
  O  O14  1  0.498  0.062  0.290  1.0
  O  O15  1  0.502  0.475  0.569  1.0
  O  O16  1  0.497  0.459  0.145  1.0
[/CIF]
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The material described by LiSr2(H4O3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a distorted T-shaped geometry to one O(4), one O(5), and one O(6) atom. 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 3-coordinate geometry to one O(1) and two equivalent O(6) atoms. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. In the second H site, H(2) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(2) 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 distorted 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 water-like geometry to 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), one H(1), one H(2), and one H(5) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Li(1) and one H(6) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), two equivalent Sr(1), 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   3.994
_cell_length_b   5.866
_cell_length_c   8.863
_cell_angle_alpha   95.233
_cell_angle_beta   90.102
_cell_angle_gamma   89.901
_symmetry_Int_Tables_number   1
_cell_volume   206.796
_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  0.680  0.680  1.0
  Sr  Sr1  1  0.998  0.229  0.090  1.0
  Li  Li2  1  0.498  0.399  0.357  1.0
  H  H3  1  0.204  0.161  0.756  1.0
  H  H4  1  0.800  0.161  0.756  1.0
  H  H5  1  0.804  0.898  0.372  1.0
  H  H6  1  0.195  0.899  0.372  1.0
  H  H7  1  0.501  0.005  0.575  1.0
  H  H8  1  0.498  0.947  0.201  1.0
  H  H9  1  0.502  0.327  0.612  1.0
  H  H10  1  0.496  0.607  0.101  1.0
  O  O11  1  0.002  0.251  0.803  1.0
  O  O12  1  0.000  0.817  0.414  1.0
  O  O13  1  0.502  0.999  0.685  1.0
  O  O14  1  0.498  0.062  0.290  1.0
  O  O15  1  0.502  0.475  0.569  1.0
  O  O16  1  0.497  0.459  0.145  1.0
[/CIF]
.