The compound described by Li2CuSbO5 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(4), one O(6), and one O(8) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-83°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form distorted LiO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and edges with two equivalent Li(4)O5 square pyramids. The corner-sharing octahedral tilt angles range from 13-19°. In the third Li site, Li(3) is bonded to one O(10), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form distorted LiO6 octahedra that share  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Sb(2)O6 octahedra, and edges with two equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 14-18°. In the fourth Li site, Li(4) is bonded to one O(1), one O(3), one O(5), one O(6), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-83°. 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(7), and one O(9) atom. In the second Cu site, Cu(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(5), one O(7), and one O(9) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O5 square pyramids,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 14-19°. In the second Sb site, Sb(2) is bonded to one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra,  an edgeedge with one Li(4)O5 square pyramid, and  an edgeedge with one Li(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 13-18°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(4), one Cu(2), and one Sb(1) atom to form distorted OLi2CuSb trigonal pyramids that share corners with two equivalent O(9)Li2Cu2Sb square pyramids, corners with three equivalent O(2)Li2Cu2Sb square pyramids,  a cornercorner with one O(6)Li3Sb trigonal pyramid, and edges with two equivalent O(5)Li2CuSb trigonal pyramids. In the second O site, O(2) is bonded to one Li(2), one Li(3), one Cu(1), one Cu(2), and one Sb(1) atom to form OLi2Cu2Sb square pyramids that share corners with two equivalent O(9)Li2Cu2Sb square pyramids,  a cornercorner with one O(5)Li2CuSb trigonal pyramid,  a cornercorner with one O(6)Li3Sb trigonal pyramid, corners with three equivalent O(1)Li2CuSb trigonal pyramids,  an edgeedge with one O(9)Li2Cu2Sb square pyramid, and  an edgeedge with one O(5)Li2CuSb trigonal pyramid. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(4), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(3), one Cu(1), and one Sb(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), one Cu(2), and one Sb(1) atom to form distorted OLi2CuSb trigonal pyramids that share  a cornercorner with one O(2)Li2Cu2Sb square pyramid,  a cornercorner with one O(6)Li3Sb trigonal pyramid,  an edgeedge with one O(2)Li2Cu2Sb square pyramid,  an edgeedge with one O(9)Li2Cu2Sb square pyramid, and edges with two equivalent O(1)Li2CuSb trigonal pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(4), and one Sb(2) atom to form OLi3Sb trigonal pyramids that share  a cornercorner with one O(2)Li2Cu2Sb square pyramid, corners with two equivalent O(9)Li2Cu2Sb square pyramids,  a cornercorner with one O(1)Li2CuSb trigonal pyramid, and  a cornercorner with one O(5)Li2CuSb trigonal pyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(2), one Li(4), one Cu(1), one Cu(2), and one Sb(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(3), one Sb(1), and one Sb(2) atom. In the ninth O site, O(9) is bonded to one Li(2), one Li(3), one Cu(1), one Cu(2), and one Sb(2) atom to form distorted OLi2Cu2Sb square pyramids that share corners with two equivalent O(2)Li2Cu2Sb square pyramids, corners with two equivalent O(1)Li2CuSb trigonal pyramids, corners with two equivalent O(6)Li3Sb trigonal pyramids,  an edgeedge with one O(2)Li2Cu2Sb square pyramid, and  an edgeedge with one O(5)Li2CuSb trigonal pyramid. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(3), one Cu(2), and one Sb(2) atom. is represented by the CIF card [CIF]
data_Li2CuSbO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.142
_cell_length_b   5.571
_cell_length_c   7.852
_cell_angle_alpha   103.681
_cell_angle_beta   100.977
_cell_angle_gamma   106.232
_symmetry_Int_Tables_number   1
_cell_volume   201.749
_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  0.211  0.900  0.353  1.0
  Li  Li1  1  0.412  0.298  0.810  1.0
  Li  Li2  1  0.594  0.707  0.217  1.0
  Li  Li3  1  0.771  0.096  0.606  1.0
  Cu  Cu4  1  0.016  0.512  0.006  1.0
  Cu  Cu5  1  0.698  0.907  0.910  1.0
  Sb  Sb6  1  0.090  0.686  0.692  1.0
  Sb  Sb7  1  0.890  0.297  0.299  1.0
  O  O8  1  0.008  0.010  0.812  1.0
  O  O9  1  0.336  0.655  0.920  1.0
  O  O10  1  0.135  0.345  0.549  1.0
  O  O11  1  0.212  0.524  0.229  1.0
  O  O12  1  0.463  0.924  0.702  1.0
  O  O13  1  0.580  0.081  0.358  1.0
  O  O14  1  0.795  0.475  0.779  1.0
  O  O15  1  0.889  0.669  0.445  1.0
  O  O16  1  0.696  0.352  0.069  1.0
  O  O17  1  0.907  0.953  0.146  1.0
[/CIF]
.
The compound described by Li2CuSbO5 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(4), one O(6), and one O(8) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-83°. In the second Li site, Li(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form distorted LiO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and edges with two equivalent Li(4)O5 square pyramids. The corner-sharing octahedral tilt angles range from 13-19°. In the third Li site, Li(3) is bonded to one O(10), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form distorted LiO6 octahedra that share  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Sb(2)O6 octahedra, and edges with two equivalent Li(1)O4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 14-18°. In the fourth Li site, Li(4) is bonded to one O(1), one O(3), one O(5), one O(6), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-83°. 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(7), and one O(9) atom. In the second Cu site, Cu(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(5), one O(7), and one O(9) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O5 square pyramids,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 14-19°. In the second Sb site, Sb(2) is bonded to one O(10), one O(3), one O(4), one O(6), one O(8), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra,  an edgeedge with one Li(4)O5 square pyramid, and  an edgeedge with one Li(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 13-18°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(4), one Cu(2), and one Sb(1) atom to form distorted OLi2CuSb trigonal pyramids that share corners with two equivalent O(9)Li2Cu2Sb square pyramids, corners with three equivalent O(2)Li2Cu2Sb square pyramids,  a cornercorner with one O(6)Li3Sb trigonal pyramid, and edges with two equivalent O(5)Li2CuSb trigonal pyramids. In the second O site, O(2) is bonded to one Li(2), one Li(3), one Cu(1), one Cu(2), and one Sb(1) atom to form OLi2Cu2Sb square pyramids that share corners with two equivalent O(9)Li2Cu2Sb square pyramids,  a cornercorner with one O(5)Li2CuSb trigonal pyramid,  a cornercorner with one O(6)Li3Sb trigonal pyramid, corners with three equivalent O(1)Li2CuSb trigonal pyramids,  an edgeedge with one O(9)Li2Cu2Sb square pyramid, and  an edgeedge with one O(5)Li2CuSb trigonal pyramid. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(4), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(3), one Cu(1), and one Sb(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), one Cu(2), and one Sb(1) atom to form distorted OLi2CuSb trigonal pyramids that share  a cornercorner with one O(2)Li2Cu2Sb square pyramid,  a cornercorner with one O(6)Li3Sb trigonal pyramid,  an edgeedge with one O(2)Li2Cu2Sb square pyramid,  an edgeedge with one O(9)Li2Cu2Sb square pyramid, and edges with two equivalent O(1)Li2CuSb trigonal pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(4), and one Sb(2) atom to form OLi3Sb trigonal pyramids that share  a cornercorner with one O(2)Li2Cu2Sb square pyramid, corners with two equivalent O(9)Li2Cu2Sb square pyramids,  a cornercorner with one O(1)Li2CuSb trigonal pyramid, and  a cornercorner with one O(5)Li2CuSb trigonal pyramid. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(2), one Li(4), one Cu(1), one Cu(2), and one Sb(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(3), one Sb(1), and one Sb(2) atom. In the ninth O site, O(9) is bonded to one Li(2), one Li(3), one Cu(1), one Cu(2), and one Sb(2) atom to form distorted OLi2Cu2Sb square pyramids that share corners with two equivalent O(2)Li2Cu2Sb square pyramids, corners with two equivalent O(1)Li2CuSb trigonal pyramids, corners with two equivalent O(6)Li3Sb trigonal pyramids,  an edgeedge with one O(2)Li2Cu2Sb square pyramid, and  an edgeedge with one O(5)Li2CuSb trigonal pyramid. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(3), one Cu(2), and one Sb(2) atom. is represented by the CIF card [CIF]
data_Li2CuSbO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.142
_cell_length_b   5.571
_cell_length_c   7.852
_cell_angle_alpha   103.681
_cell_angle_beta   100.977
_cell_angle_gamma   106.232
_symmetry_Int_Tables_number   1
_cell_volume   201.749
_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  0.211  0.900  0.353  1.0
  Li  Li1  1  0.412  0.298  0.810  1.0
  Li  Li2  1  0.594  0.707  0.217  1.0
  Li  Li3  1  0.771  0.096  0.606  1.0
  Cu  Cu4  1  0.016  0.512  0.006  1.0
  Cu  Cu5  1  0.698  0.907  0.910  1.0
  Sb  Sb6  1  0.090  0.686  0.692  1.0
  Sb  Sb7  1  0.890  0.297  0.299  1.0
  O  O8  1  0.008  0.010  0.812  1.0
  O  O9  1  0.336  0.655  0.920  1.0
  O  O10  1  0.135  0.345  0.549  1.0
  O  O11  1  0.212  0.524  0.229  1.0
  O  O12  1  0.463  0.924  0.702  1.0
  O  O13  1  0.580  0.081  0.358  1.0
  O  O14  1  0.795  0.475  0.779  1.0
  O  O15  1  0.889  0.669  0.445  1.0
  O  O16  1  0.696  0.352  0.069  1.0
  O  O17  1  0.907  0.953  0.146  1.0
[/CIF]
.