The crystal structure described by RbLiCu2H3(SO5)2 crystallizes in the triclinic P1 space group. Rb(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), one O(8), and one O(9) atom. Li(1) is bonded to one O(3), one O(6), one O(8), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cu(2)O4 tetrahedra,  a cornercorner with one S(1)O4 tetrahedra, and corners with two equivalent S(2)O4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one O(2), one O(4), one O(5), and one O(6) atom. In the second Cu site, Cu(2) is bonded to one O(1), one O(3), one O(5), and one O(7) atom to form CuO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one S(2)O4 tetrahedra, and corners with two equivalent S(1)O4 tetrahedra. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. In the third H site, H(3) is bonded in a linear geometry to one O(5) and one O(6) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded to one O(1), one O(2), one O(7), and one O(9) atom to form SO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra and corners with two equivalent Cu(2)O4 tetrahedra. In the second S site, S(2) is bonded to one O(10), one O(3), one O(4), and one O(8) atom to form SO4 tetrahedra that share  a cornercorner with one Cu(2)O4 tetrahedra and corners with two equivalent Li(1)O4 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(2), and one S(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(1), and one S(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Rb(1), one Li(1), one Cu(2), and one S(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(1), and one S(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Cu(1), one Cu(2), one H(1), and one H(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), one Cu(1), one H(2), and one H(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(2), and one S(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Rb(1), one Li(1), and one S(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Rb(1), one Li(1), and one S(1) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one S(2) atom. is represented by the CIF file [CIF]
data_RbLiCu2H3(SO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.600
_cell_length_b   6.247
_cell_length_c   8.047
_cell_angle_alpha   72.453
_cell_angle_beta   80.482
_cell_angle_gamma   114.690
_symmetry_Int_Tables_number   1
_cell_volume   229.671
_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
  Rb  Rb0  1  0.515  0.023  0.517  1.0
  Li  Li1  1  0.401  0.647  0.280  1.0
  Cu  Cu2  1  0.012  0.531  0.993  1.0
  Cu  Cu3  1  0.484  0.125  0.946  1.0
  H  H4  1  0.762  0.591  0.773  1.0
  H  H5  1  0.194  0.299  0.175  1.0
  H  H6  1  0.481  0.515  0.006  1.0
  S  S7  1  0.089  0.243  0.723  1.0
  S  S8  1  0.931  0.752  0.306  1.0
  O  O9  1  0.777  0.089  0.793  1.0
  O  O10  1  0.191  0.472  0.771  1.0
  O  O11  1  0.249  0.909  0.222  1.0
  O  O12  1  0.831  0.539  0.240  1.0
  O  O13  1  0.700  0.495  0.908  1.0
  O  O14  1  0.300  0.488  0.102  1.0
  O  O15  1  0.194  0.067  0.811  1.0
  O  O16  1  0.810  0.921  0.239  1.0
  O  O17  1  0.194  0.333  0.519  1.0
  O  O18  1  0.853  0.646  0.508  1.0
[/CIF]
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The crystal structure described by RbLiCu2H3(SO5)2 crystallizes in the triclinic P1 space group. Rb(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), one O(8), and one O(9) atom. Li(1) is bonded to one O(3), one O(6), one O(8), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cu(2)O4 tetrahedra,  a cornercorner with one S(1)O4 tetrahedra, and corners with two equivalent S(2)O4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one O(2), one O(4), one O(5), and one O(6) atom. In the second Cu site, Cu(2) is bonded to one O(1), one O(3), one O(5), and one O(7) atom to form CuO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one S(2)O4 tetrahedra, and corners with two equivalent S(1)O4 tetrahedra. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. In the third H site, H(3) is bonded in a linear geometry to one O(5) and one O(6) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded to one O(1), one O(2), one O(7), and one O(9) atom to form SO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra and corners with two equivalent Cu(2)O4 tetrahedra. In the second S site, S(2) is bonded to one O(10), one O(3), one O(4), and one O(8) atom to form SO4 tetrahedra that share  a cornercorner with one Cu(2)O4 tetrahedra and corners with two equivalent Li(1)O4 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(2), and one S(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(1), and one S(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Rb(1), one Li(1), one Cu(2), and one S(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(1), and one S(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Cu(1), one Cu(2), one H(1), and one H(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(1), one Cu(1), one H(2), and one H(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Rb(1), one Cu(2), and one S(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Rb(1), one Li(1), and one S(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Rb(1), one Li(1), and one S(1) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one S(2) atom. is represented by the CIF file [CIF]
data_RbLiCu2H3(SO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.600
_cell_length_b   6.247
_cell_length_c   8.047
_cell_angle_alpha   72.453
_cell_angle_beta   80.482
_cell_angle_gamma   114.690
_symmetry_Int_Tables_number   1
_cell_volume   229.671
_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
  Rb  Rb0  1  0.515  0.023  0.517  1.0
  Li  Li1  1  0.401  0.647  0.280  1.0
  Cu  Cu2  1  0.012  0.531  0.993  1.0
  Cu  Cu3  1  0.484  0.125  0.946  1.0
  H  H4  1  0.762  0.591  0.773  1.0
  H  H5  1  0.194  0.299  0.175  1.0
  H  H6  1  0.481  0.515  0.006  1.0
  S  S7  1  0.089  0.243  0.723  1.0
  S  S8  1  0.931  0.752  0.306  1.0
  O  O9  1  0.777  0.089  0.793  1.0
  O  O10  1  0.191  0.472  0.771  1.0
  O  O11  1  0.249  0.909  0.222  1.0
  O  O12  1  0.831  0.539  0.240  1.0
  O  O13  1  0.700  0.495  0.908  1.0
  O  O14  1  0.300  0.488  0.102  1.0
  O  O15  1  0.194  0.067  0.811  1.0
  O  O16  1  0.810  0.921  0.239  1.0
  O  O17  1  0.194  0.333  0.519  1.0
  O  O18  1  0.853  0.646  0.508  1.0
[/CIF]
.