The structure described by Li2CoCuO4 is Caswellsilverite-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(7), one O(8), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Cu(1)O6 octahedra, edges with two equivalent Cu(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the second Li site, Li(2) is bonded to one O(1), one O(4), one O(7), one O(8), and two equivalent O(6) atoms to form LiO6 octahedra that share  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Cu(1)O6 octahedra, edges with two equivalent Cu(2)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the third Li site, Li(3) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the fourth Li site, Li(4) is bonded to one O(3), one O(4), one O(6), one O(8), and two equivalent O(1) atoms to form LiO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-14°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(6), one O(7), and two equivalent O(4) atoms to form CoO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(5), one O(8), and two equivalent O(3) atoms to form CoO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-12°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(8) atoms to form CuO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the second Cu site, Cu(2) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(7) atoms to form CuO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), two equivalent Li(4), one Co(1), one Co(2), and one Cu(1) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(3)Li3Co2Cu octahedra,  a cornercorner with one O(4)Li3Co2Cu octahedra, corners with two equivalent O(1)Li3Co2Cu octahedra, corners with two equivalent O(2)Li3Co2Cu octahedra,  an edgeedge with one O(5)Li3CoCu2 octahedra,  an edgeedge with one O(7)Li3CoCu2 octahedra, edges with two equivalent O(3)Li3Co2Cu octahedra, edges with two equivalent O(4)Li3Co2Cu octahedra, edges with three equivalent O(6)Li3CoCu2 octahedra, and edges with three equivalent O(8)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(3), one Co(1), one Co(2), and one Cu(2) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(3)Li3Co2Cu octahedra,  a cornercorner with one O(4)Li3Co2Cu octahedra, corners with two equivalent O(1)Li3Co2Cu octahedra, corners with two equivalent O(2)Li3Co2Cu octahedra,  an edgeedge with one O(6)Li3CoCu2 octahedra,  an edgeedge with one O(8)Li3CoCu2 octahedra, edges with two equivalent O(3)Li3Co2Cu octahedra, edges with two equivalent O(4)Li3Co2Cu octahedra, edges with three equivalent O(5)Li3CoCu2 octahedra, and edges with three equivalent O(7)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the third O site, O(3) is bonded to one Li(1), one Li(3), one Li(4), two equivalent Co(2), and one Cu(1) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(1)Li3Co2Cu octahedra,  a cornercorner with one O(2)Li3Co2Cu octahedra, corners with two equivalent O(3)Li3Co2Cu octahedra, corners with two equivalent O(4)Li3Co2Cu octahedra,  an edgeedge with one O(6)Li3CoCu2 octahedra,  an edgeedge with one O(7)Li3CoCu2 octahedra, edges with two equivalent O(1)Li3Co2Cu octahedra, edges with two equivalent O(2)Li3Co2Cu octahedra, edges with three equivalent O(5)Li3CoCu2 octahedra, and edges with three equivalent O(8)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Li(4), two equivalent Co(1), and one Cu(2) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(1)Li3Co2Cu octahedra,  a cornercorner with one O(2)Li3Co2Cu octahedra, corners with two equivalent O(3)Li3Co2Cu octahedra, corners with two equivalent O(4)Li3Co2Cu octahedra,  an edgeedge with one O(5)Li3CoCu2 octahedra,  an edgeedge with one O(8)Li3CoCu2 octahedra, edges with two equivalent O(1)Li3Co2Cu octahedra, edges with two equivalent O(2)Li3Co2Cu octahedra, edges with three equivalent O(6)Li3CoCu2 octahedra, and edges with three equivalent O(7)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(1), one Co(2), one Cu(1), and one Cu(2) atom to form OLi3CoCu2 octahedra that share  a cornercorner with one O(7)Li3CoCu2 octahedra,  a cornercorner with one O(8)Li3CoCu2 octahedra, corners with two equivalent O(5)Li3CoCu2 octahedra, corners with two equivalent O(6)Li3CoCu2 octahedra,  an edgeedge with one O(1)Li3Co2Cu octahedra,  an edgeedge with one O(4)Li3Co2Cu octahedra, edges with two equivalent O(7)Li3CoCu2 octahedra, edges with two equivalent O(8)Li3CoCu2 octahedra, edges with three equivalent O(2)Li3Co2Cu octahedra, and edges with three equivalent O(3)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the sixth O site, O(6) is bonded to one Li(4), two equivalent Li(2), one Co(1), one Cu(1), and one Cu(2) atom to form OLi3CoCu2 octahedra that share  a cornercorner with one O(7)Li3CoCu2 octahedra,  a cornercorner with one O(8)Li3CoCu2 octahedra, corners with two equivalent O(5)Li3CoCu2 octahedra, corners with two equivalent O(6)Li3CoCu2 octahedra,  an edgeedge with one O(2)Li3Co2Cu octahedra,  an edgeedge with one O(3)Li3Co2Cu octahedra, edges with two equivalent O(7)Li3CoCu2 octahedra, edges with two equivalent O(8)Li3CoCu2 octahedra, edges with three equivalent O(1)Li3Co2Cu octahedra, and edges with three equivalent O(4)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Li(3), one Co(1), and two equivalent Cu(2) atoms to form OLi3CoCu2 octahedra that share  a cornercorner with one O(5)Li3CoCu2 octahedra,  a cornercorner with one O(6)Li3CoCu2 octahedra, corners with two equivalent O(7)Li3CoCu2 octahedra, corners with two equivalent O(8)Li3CoCu2 octahedra,  an edgeedge with one O(1)Li3Co2Cu octahedra,  an edgeedge with one O(3)Li3Co2Cu octahedra, edges with two equivalent O(5)Li3CoCu2 octahedra, edges with two equivalent O(6)Li3CoCu2 octahedra, edges with three equivalent O(2)Li3Co2Cu octahedra, and edges with three equivalent O(4)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the eighth O site, O(8) is bonded to one Li(1), one Li(2), one Li(4), one Co(2), and two equivalent Cu(1) atoms to form OLi3CoCu2 octahedra that share  a cornercorner with one O(5)Li3CoCu2 octahedra,  a cornercorner with one O(6)Li3CoCu2 octahedra, corners with two equivalent O(7)Li3CoCu2 octahedra, corners with two equivalent O(8)Li3CoCu2 octahedra,  an edgeedge with one O(2)Li3Co2Cu octahedra,  an edgeedge with one O(4)Li3Co2Cu octahedra, edges with two equivalent O(5)Li3CoCu2 octahedra, edges with two equivalent O(6)Li3CoCu2 octahedra, edges with three equivalent O(1)Li3Co2Cu octahedra, and edges with three equivalent O(3)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-10°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2CoCuO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.087
_cell_length_b   4.148
_cell_length_c   5.117
_cell_angle_alpha   66.090
_cell_angle_beta   66.483
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   71.349
_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
  Co  Co0  1  0.999  0.999  0.002  1.0
  Cu  Cu1  1  0.751  0.251  0.497  1.0
  Li  Li2  1  0.248  0.748  0.505  1.0
  Li  Li3  1  0.500  0.500  0.001  1.0
  O  O4  1  0.522  0.022  0.955  1.0
  O  O5  1  0.978  0.478  0.045  1.0
  O  O6  1  0.233  0.234  0.533  1.0
  O  O7  1  0.769  0.769  0.463  1.0
[/CIF]
.
The structure described by Li2CoCuO4 is Caswellsilverite-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(7), one O(8), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Cu(1)O6 octahedra, edges with two equivalent Cu(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the second Li site, Li(2) is bonded to one O(1), one O(4), one O(7), one O(8), and two equivalent O(6) atoms to form LiO6 octahedra that share  a cornercorner with one Cu(1)O6 octahedra,  a cornercorner with one Cu(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Cu(1)O6 octahedra, edges with two equivalent Cu(2)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-13°. In the third Li site, Li(3) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the fourth Li site, Li(4) is bonded to one O(3), one O(4), one O(6), one O(8), and two equivalent O(1) atoms to form LiO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-14°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(6), one O(7), and two equivalent O(4) atoms to form CoO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Cu(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(5), one O(8), and two equivalent O(3) atoms to form CoO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Cu(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-12°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(8) atoms to form CuO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(4)O6 octahedra, and edges with three equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the second Cu site, Cu(2) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(7) atoms to form CuO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), two equivalent Li(4), one Co(1), one Co(2), and one Cu(1) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(3)Li3Co2Cu octahedra,  a cornercorner with one O(4)Li3Co2Cu octahedra, corners with two equivalent O(1)Li3Co2Cu octahedra, corners with two equivalent O(2)Li3Co2Cu octahedra,  an edgeedge with one O(5)Li3CoCu2 octahedra,  an edgeedge with one O(7)Li3CoCu2 octahedra, edges with two equivalent O(3)Li3Co2Cu octahedra, edges with two equivalent O(4)Li3Co2Cu octahedra, edges with three equivalent O(6)Li3CoCu2 octahedra, and edges with three equivalent O(8)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(3), one Co(1), one Co(2), and one Cu(2) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(3)Li3Co2Cu octahedra,  a cornercorner with one O(4)Li3Co2Cu octahedra, corners with two equivalent O(1)Li3Co2Cu octahedra, corners with two equivalent O(2)Li3Co2Cu octahedra,  an edgeedge with one O(6)Li3CoCu2 octahedra,  an edgeedge with one O(8)Li3CoCu2 octahedra, edges with two equivalent O(3)Li3Co2Cu octahedra, edges with two equivalent O(4)Li3Co2Cu octahedra, edges with three equivalent O(5)Li3CoCu2 octahedra, and edges with three equivalent O(7)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the third O site, O(3) is bonded to one Li(1), one Li(3), one Li(4), two equivalent Co(2), and one Cu(1) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(1)Li3Co2Cu octahedra,  a cornercorner with one O(2)Li3Co2Cu octahedra, corners with two equivalent O(3)Li3Co2Cu octahedra, corners with two equivalent O(4)Li3Co2Cu octahedra,  an edgeedge with one O(6)Li3CoCu2 octahedra,  an edgeedge with one O(7)Li3CoCu2 octahedra, edges with two equivalent O(1)Li3Co2Cu octahedra, edges with two equivalent O(2)Li3Co2Cu octahedra, edges with three equivalent O(5)Li3CoCu2 octahedra, and edges with three equivalent O(8)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Li(4), two equivalent Co(1), and one Cu(2) atom to form OLi3Co2Cu octahedra that share  a cornercorner with one O(1)Li3Co2Cu octahedra,  a cornercorner with one O(2)Li3Co2Cu octahedra, corners with two equivalent O(3)Li3Co2Cu octahedra, corners with two equivalent O(4)Li3Co2Cu octahedra,  an edgeedge with one O(5)Li3CoCu2 octahedra,  an edgeedge with one O(8)Li3CoCu2 octahedra, edges with two equivalent O(1)Li3Co2Cu octahedra, edges with two equivalent O(2)Li3Co2Cu octahedra, edges with three equivalent O(6)Li3CoCu2 octahedra, and edges with three equivalent O(7)Li3CoCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(1), one Co(2), one Cu(1), and one Cu(2) atom to form OLi3CoCu2 octahedra that share  a cornercorner with one O(7)Li3CoCu2 octahedra,  a cornercorner with one O(8)Li3CoCu2 octahedra, corners with two equivalent O(5)Li3CoCu2 octahedra, corners with two equivalent O(6)Li3CoCu2 octahedra,  an edgeedge with one O(1)Li3Co2Cu octahedra,  an edgeedge with one O(4)Li3Co2Cu octahedra, edges with two equivalent O(7)Li3CoCu2 octahedra, edges with two equivalent O(8)Li3CoCu2 octahedra, edges with three equivalent O(2)Li3Co2Cu octahedra, and edges with three equivalent O(3)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the sixth O site, O(6) is bonded to one Li(4), two equivalent Li(2), one Co(1), one Cu(1), and one Cu(2) atom to form OLi3CoCu2 octahedra that share  a cornercorner with one O(7)Li3CoCu2 octahedra,  a cornercorner with one O(8)Li3CoCu2 octahedra, corners with two equivalent O(5)Li3CoCu2 octahedra, corners with two equivalent O(6)Li3CoCu2 octahedra,  an edgeedge with one O(2)Li3Co2Cu octahedra,  an edgeedge with one O(3)Li3Co2Cu octahedra, edges with two equivalent O(7)Li3CoCu2 octahedra, edges with two equivalent O(8)Li3CoCu2 octahedra, edges with three equivalent O(1)Li3Co2Cu octahedra, and edges with three equivalent O(4)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Li(3), one Co(1), and two equivalent Cu(2) atoms to form OLi3CoCu2 octahedra that share  a cornercorner with one O(5)Li3CoCu2 octahedra,  a cornercorner with one O(6)Li3CoCu2 octahedra, corners with two equivalent O(7)Li3CoCu2 octahedra, corners with two equivalent O(8)Li3CoCu2 octahedra,  an edgeedge with one O(1)Li3Co2Cu octahedra,  an edgeedge with one O(3)Li3Co2Cu octahedra, edges with two equivalent O(5)Li3CoCu2 octahedra, edges with two equivalent O(6)Li3CoCu2 octahedra, edges with three equivalent O(2)Li3Co2Cu octahedra, and edges with three equivalent O(4)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-10°. In the eighth O site, O(8) is bonded to one Li(1), one Li(2), one Li(4), one Co(2), and two equivalent Cu(1) atoms to form OLi3CoCu2 octahedra that share  a cornercorner with one O(5)Li3CoCu2 octahedra,  a cornercorner with one O(6)Li3CoCu2 octahedra, corners with two equivalent O(7)Li3CoCu2 octahedra, corners with two equivalent O(8)Li3CoCu2 octahedra,  an edgeedge with one O(2)Li3Co2Cu octahedra,  an edgeedge with one O(4)Li3Co2Cu octahedra, edges with two equivalent O(5)Li3CoCu2 octahedra, edges with two equivalent O(6)Li3CoCu2 octahedra, edges with three equivalent O(1)Li3Co2Cu octahedra, and edges with three equivalent O(3)Li3Co2Cu octahedra. The corner-sharing octahedral tilt angles range from 0-10°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li2CoCuO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.087
_cell_length_b   4.148
_cell_length_c   5.117
_cell_angle_alpha   66.090
_cell_angle_beta   66.483
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   71.349
_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
  Co  Co0  1  0.999  0.999  0.002  1.0
  Cu  Cu1  1  0.751  0.251  0.497  1.0
  Li  Li2  1  0.248  0.748  0.505  1.0
  Li  Li3  1  0.500  0.500  0.001  1.0
  O  O4  1  0.522  0.022  0.955  1.0
  O  O5  1  0.978  0.478  0.045  1.0
  O  O6  1  0.233  0.234  0.533  1.0
  O  O7  1  0.769  0.769  0.463  1.0
[/CIF]
.