The compound described by LiCu2P3(HO5)2 crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1), one O(10), one O(2), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and one O(9) atom. In the second Cu site, Cu(2) is bonded in a distorted T-shaped geometry to one O(10), one O(5), and one O(9) atom. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the second P site, P(2) is bonded to one O(10), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the third P site, P(3) is bonded to one O(6), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. There are two 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 distorted single-bond geometry to one O(1) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(1), one Cu(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(1), one Cu(1), and one P(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one Cu(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Li(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one Cu(1), one Cu(2), and one P(3) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Li(1), one Cu(2), and one P(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiCu2P3(HO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.548
_cell_length_b   7.550
_cell_length_c   8.375
_cell_angle_alpha   75.634
_cell_angle_beta   71.485
_cell_angle_gamma   69.823
_symmetry_Int_Tables_number   1
_cell_volume   419.615
_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
  Li  Li0  1  0.091  0.301  0.334  1.0
  Li  Li1  1  0.909  0.699  0.666  1.0
  Cu  Cu2  1  0.576  0.699  0.002  1.0
  Cu  Cu3  1  0.371  0.574  0.407  1.0
  Cu  Cu4  1  0.629  0.426  0.593  1.0
  Cu  Cu5  1  0.424  0.301  0.998  1.0
  P  P6  1  0.127  0.704  0.080  1.0
  P  P7  1  0.717  0.253  0.289  1.0
  P  P8  1  0.737  0.831  0.328  1.0
  P  P9  1  0.263  0.169  0.672  1.0
  P  P10  1  0.283  0.747  0.711  1.0
  P  P11  1  0.873  0.296  0.920  1.0
  H  H12  1  0.247  0.015  0.151  1.0
  H  H13  1  0.394  0.002  0.247  1.0
  H  H14  1  0.606  0.998  0.753  1.0
  H  H15  1  0.753  0.985  0.849  1.0
  O  O16  1  0.289  0.099  0.196  1.0
  O  O17  1  0.146  0.494  0.126  1.0
  O  O18  1  0.888  0.224  0.117  1.0
  O  O19  1  0.275  0.777  0.109  1.0
  O  O20  1  0.542  0.408  0.244  1.0
  O  O21  1  0.666  0.056  0.351  1.0
  O  O22  1  0.912  0.833  0.156  1.0
  O  O23  1  0.185  0.291  0.525  1.0
  O  O24  1  0.573  0.800  0.284  1.0
  O  O25  1  0.810  0.282  0.414  1.0
  O  O26  1  0.190  0.718  0.586  1.0
  O  O27  1  0.427  0.200  0.716  1.0
  O  O28  1  0.815  0.709  0.475  1.0
  O  O29  1  0.088  0.167  0.844  1.0
  O  O30  1  0.334  0.944  0.649  1.0
  O  O31  1  0.458  0.592  0.756  1.0
  O  O32  1  0.725  0.223  0.891  1.0
  O  O33  1  0.112  0.776  0.883  1.0
  O  O34  1  0.854  0.506  0.874  1.0
  O  O35  1  0.711  0.901  0.804  1.0
[/CIF]
.
The compound described by LiCu2P3(HO5)2 crystallizes in the triclinic P-1 space group. Li(1) is bonded to one O(1), one O(10), one O(2), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and one O(9) atom. In the second Cu site, Cu(2) is bonded in a distorted T-shaped geometry to one O(10), one O(5), and one O(9) atom. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the second P site, P(2) is bonded to one O(10), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the third P site, P(3) is bonded to one O(6), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. There are two 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 distorted single-bond geometry to one O(1) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(1), one Cu(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(1), one Cu(1), and one P(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one P(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one Cu(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Li(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one Cu(1), one Cu(2), and one P(3) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Li(1), one Cu(2), and one P(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_LiCu2P3(HO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.548
_cell_length_b   7.550
_cell_length_c   8.375
_cell_angle_alpha   75.634
_cell_angle_beta   71.485
_cell_angle_gamma   69.823
_symmetry_Int_Tables_number   1
_cell_volume   419.615
_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
  Li  Li0  1  0.091  0.301  0.334  1.0
  Li  Li1  1  0.909  0.699  0.666  1.0
  Cu  Cu2  1  0.576  0.699  0.002  1.0
  Cu  Cu3  1  0.371  0.574  0.407  1.0
  Cu  Cu4  1  0.629  0.426  0.593  1.0
  Cu  Cu5  1  0.424  0.301  0.998  1.0
  P  P6  1  0.127  0.704  0.080  1.0
  P  P7  1  0.717  0.253  0.289  1.0
  P  P8  1  0.737  0.831  0.328  1.0
  P  P9  1  0.263  0.169  0.672  1.0
  P  P10  1  0.283  0.747  0.711  1.0
  P  P11  1  0.873  0.296  0.920  1.0
  H  H12  1  0.247  0.015  0.151  1.0
  H  H13  1  0.394  0.002  0.247  1.0
  H  H14  1  0.606  0.998  0.753  1.0
  H  H15  1  0.753  0.985  0.849  1.0
  O  O16  1  0.289  0.099  0.196  1.0
  O  O17  1  0.146  0.494  0.126  1.0
  O  O18  1  0.888  0.224  0.117  1.0
  O  O19  1  0.275  0.777  0.109  1.0
  O  O20  1  0.542  0.408  0.244  1.0
  O  O21  1  0.666  0.056  0.351  1.0
  O  O22  1  0.912  0.833  0.156  1.0
  O  O23  1  0.185  0.291  0.525  1.0
  O  O24  1  0.573  0.800  0.284  1.0
  O  O25  1  0.810  0.282  0.414  1.0
  O  O26  1  0.190  0.718  0.586  1.0
  O  O27  1  0.427  0.200  0.716  1.0
  O  O28  1  0.815  0.709  0.475  1.0
  O  O29  1  0.088  0.167  0.844  1.0
  O  O30  1  0.334  0.944  0.649  1.0
  O  O31  1  0.458  0.592  0.756  1.0
  O  O32  1  0.725  0.223  0.891  1.0
  O  O33  1  0.112  0.776  0.883  1.0
  O  O34  1  0.854  0.506  0.874  1.0
  O  O35  1  0.711  0.901  0.804  1.0
[/CIF]
.