The compound described by Li2VCrP2(HO5)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Li(2)O5 square pyramid, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-63°. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(2), one O(3), and one O(4) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-64°. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(9) atoms to form VO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 51°. In the second V site, V(2) is bonded to two equivalent O(10), two equivalent O(6), and two equivalent O(7) atoms to form VO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to two equivalent O(1), two equivalent O(8), and two equivalent O(9) atoms to form CrO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 51°. In the second Cr site, Cr(2) is bonded to two equivalent O(10), two equivalent O(3), and two equivalent O(5) atoms to form CrO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 37-54°. In the second P site, P(2) is bonded to one O(2), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid, and  an edgeedge with one Li(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 38-55°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(10) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Cr(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(2), one V(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(2), one Cr(2), and one P(1) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Li(2), one V(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Li(1), one Cr(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one V(2) and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one V(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Li(1), one V(1), one Cr(1), and one H(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Li(2), one V(2), one Cr(2), and one H(2) atom. is represented by the CIF file [CIF]
data_Li2VCrP2(HO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.949
_cell_length_b   7.381
_cell_length_c   7.974
_cell_angle_alpha   91.028
_cell_angle_beta   92.709
_cell_angle_gamma   117.225
_symmetry_Int_Tables_number   1
_cell_volume   362.946
_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  0.073  0.822  0.674  1.0
  Li  Li1  1  0.429  0.177  0.825  1.0
  Li  Li2  1  0.571  0.823  0.175  1.0
  Li  Li3  1  0.927  0.178  0.326  1.0
  V  V4  1  0.000  0.000  0.000  1.0
  V  V5  1  0.500  0.500  0.500  1.0
  Cr  Cr6  1  0.000  0.500  0.000  1.0
  Cr  Cr7  1  0.500  0.000  0.500  1.0
  P  P8  1  0.479  0.767  0.842  1.0
  P  P9  1  0.018  0.233  0.658  1.0
  P  P10  1  0.982  0.767  0.342  1.0
  P  P11  1  0.521  0.233  0.158  1.0
  H  H12  1  0.791  0.659  0.849  1.0
  H  H13  1  0.291  0.663  0.349  1.0
  H  H14  1  0.709  0.337  0.651  1.0
  H  H15  1  0.209  0.341  0.151  1.0
  O  O16  1  0.323  0.658  0.980  1.0
  O  O17  1  0.113  0.120  0.773  1.0
  O  O18  1  0.385  0.880  0.726  1.0
  O  O19  1  0.687  0.926  0.941  1.0
  O  O20  1  0.189  0.928  0.441  1.0
  O  O21  1  0.534  0.619  0.739  1.0
  O  O22  1  0.175  0.343  0.520  1.0
  O  O23  1  0.034  0.619  0.238  1.0
  O  O24  1  0.943  0.723  0.895  1.0
  O  O25  1  0.444  0.728  0.393  1.0
  O  O26  1  0.556  0.272  0.607  1.0
  O  O27  1  0.057  0.277  0.105  1.0
  O  O28  1  0.966  0.381  0.762  1.0
  O  O29  1  0.825  0.657  0.480  1.0
  O  O30  1  0.466  0.381  0.261  1.0
  O  O31  1  0.811  0.072  0.559  1.0
  O  O32  1  0.313  0.074  0.059  1.0
  O  O33  1  0.615  0.120  0.274  1.0
  O  O34  1  0.887  0.880  0.227  1.0
  O  O35  1  0.677  0.342  0.020  1.0
[/CIF]
.
The compound described by Li2VCrP2(HO5)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Li(2)O5 square pyramid, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-63°. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(2), one O(3), and one O(4) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Li(1)O5 square pyramid, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-64°. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(9) atoms to form VO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 51°. In the second V site, V(2) is bonded to two equivalent O(10), two equivalent O(6), and two equivalent O(7) atoms to form VO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to two equivalent O(1), two equivalent O(8), and two equivalent O(9) atoms to form CrO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent Li(1)O5 square pyramids, corners with two equivalent Li(2)O5 square pyramids, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 51°. In the second Cr site, Cr(2) is bonded to two equivalent O(10), two equivalent O(3), and two equivalent O(5) atoms to form CrO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, edges with two equivalent Li(1)O5 square pyramids, and edges with two equivalent Li(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 37-54°. In the second P site, P(2) is bonded to one O(2), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Li(1)O5 square pyramid,  a cornercorner with one Li(2)O5 square pyramid, and  an edgeedge with one Li(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 38-55°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(10) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Cr(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(2), one V(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(2), one Cr(2), and one P(1) atom. In the fourth O site, O(4) is bonded in a T-shaped geometry to one Li(2), one V(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Li(1), one Cr(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one V(2) and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one V(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Li(1), one V(1), one Cr(1), and one H(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Li(2), one V(2), one Cr(2), and one H(2) atom. is represented by the CIF file [CIF]
data_Li2VCrP2(HO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.949
_cell_length_b   7.381
_cell_length_c   7.974
_cell_angle_alpha   91.028
_cell_angle_beta   92.709
_cell_angle_gamma   117.225
_symmetry_Int_Tables_number   1
_cell_volume   362.946
_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  0.073  0.822  0.674  1.0
  Li  Li1  1  0.429  0.177  0.825  1.0
  Li  Li2  1  0.571  0.823  0.175  1.0
  Li  Li3  1  0.927  0.178  0.326  1.0
  V  V4  1  0.000  0.000  0.000  1.0
  V  V5  1  0.500  0.500  0.500  1.0
  Cr  Cr6  1  0.000  0.500  0.000  1.0
  Cr  Cr7  1  0.500  0.000  0.500  1.0
  P  P8  1  0.479  0.767  0.842  1.0
  P  P9  1  0.018  0.233  0.658  1.0
  P  P10  1  0.982  0.767  0.342  1.0
  P  P11  1  0.521  0.233  0.158  1.0
  H  H12  1  0.791  0.659  0.849  1.0
  H  H13  1  0.291  0.663  0.349  1.0
  H  H14  1  0.709  0.337  0.651  1.0
  H  H15  1  0.209  0.341  0.151  1.0
  O  O16  1  0.323  0.658  0.980  1.0
  O  O17  1  0.113  0.120  0.773  1.0
  O  O18  1  0.385  0.880  0.726  1.0
  O  O19  1  0.687  0.926  0.941  1.0
  O  O20  1  0.189  0.928  0.441  1.0
  O  O21  1  0.534  0.619  0.739  1.0
  O  O22  1  0.175  0.343  0.520  1.0
  O  O23  1  0.034  0.619  0.238  1.0
  O  O24  1  0.943  0.723  0.895  1.0
  O  O25  1  0.444  0.728  0.393  1.0
  O  O26  1  0.556  0.272  0.607  1.0
  O  O27  1  0.057  0.277  0.105  1.0
  O  O28  1  0.966  0.381  0.762  1.0
  O  O29  1  0.825  0.657  0.480  1.0
  O  O30  1  0.466  0.381  0.261  1.0
  O  O31  1  0.811  0.072  0.559  1.0
  O  O32  1  0.313  0.074  0.059  1.0
  O  O33  1  0.615  0.120  0.274  1.0
  O  O34  1  0.887  0.880  0.227  1.0
  O  O35  1  0.677  0.342  0.020  1.0
[/CIF]
.