The structure described by Li5Cu4(BO3)4 crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(5), one O(7), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid, corners with three equivalent Cu(4)O5 trigonal bipyramids,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid, corners with three equivalent Cu(3)O5 trigonal bipyramids,  a cornercorner with one Li(3)O4 trigonal pyramid, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(5), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Cu(3)O5 trigonal bipyramid, corners with three equivalent Cu(2)O5 trigonal bipyramids,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(1), one O(4), one O(6), and one O(7) atom. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(1), one O(4), one O(6), and one O(8) atom. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(12), one O(3), one O(4), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  an edgeedge with one Cu(3)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the second Cu site, Cu(2) is bonded to one O(10), one O(11), one O(2), one O(5), and one O(9) atom to form CuO5 trigonal bipyramids that share corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Cu(3)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the third Cu site, Cu(3) is bonded to one O(11), one O(2), one O(3), one O(4), and one O(8) atom to form distorted CuO5 trigonal bipyramids that share corners with three equivalent Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. In the fourth Cu site, Cu(4) is bonded to one O(1), one O(10), one O(12), one O(7), and one O(9) atom to form distorted CuO5 trigonal bipyramids that share corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(1)O5 trigonal bipyramid,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(6) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(12), one O(7), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(5) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Li(4), one Li(5), one Cu(1), one Cu(4), and one B(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cu(2), one Cu(3), and one B(1) atom. In the third O site, O(3) is bonded to one Li(2), one Cu(1), one Cu(3), and one B(1) atom to form distorted OLiCu2B tetrahedra that share  a cornercorner with one O(11)LiCu2B tetrahedra and  a cornercorner with one O(5)Li3CuB trigonal bipyramid. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Li(4), one Li(5), one Cu(1), one Cu(3), and one B(2) atom. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Cu(2), and one B(4) atom to form distorted corner-sharing OLi3CuB trigonal bipyramids. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(4), one Li(5), one Cu(1), and one B(2) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Li(1), one Li(3), one Li(4), one Cu(4), and one B(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(2), one Li(5), one Cu(3), and one B(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Cu(2), one Cu(4), and one B(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Cu(2), one Cu(4), and one B(4) atom. In the eleventh O site, O(11) is bonded to one Li(3), one Cu(2), one Cu(3), and one B(4) atom to form distorted OLiCu2B tetrahedra that share  a cornercorner with one O(3)LiCu2B tetrahedra and corners with three equivalent O(5)Li3CuB trigonal bipyramids. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(1), one Cu(1), one Cu(4), and one B(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Cu4(BO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.160
_cell_length_b   5.169
_cell_length_c   10.266
_cell_angle_alpha   89.964
_cell_angle_beta   91.623
_cell_angle_gamma   119.752
_symmetry_Int_Tables_number   1
_cell_volume   237.618
_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
  Li  Li0  1  0.336  0.300  0.332  1.0
  Li  Li1  1  0.337  0.333  0.923  1.0
  Li  Li2  1  0.688  0.662  0.153  1.0
  Li  Li3  1  0.654  0.631  0.527  1.0
  Li  Li4  1  0.628  0.669  0.717  1.0
  Cu  Cu5  1  0.322  0.997  0.628  1.0
  Cu  Cu6  1  0.975  0.326  0.127  1.0
  Cu  Cu7  1  0.032  0.680  0.884  1.0
  Cu  Cu8  1  0.677  0.037  0.368  1.0
  B  B9  1  0.658  0.010  0.885  1.0
  B  B10  1  0.995  0.336  0.624  1.0
  B  B11  1  0.018  0.661  0.366  1.0
  B  B12  1  0.340  0.995  0.127  1.0
  O  O13  1  0.750  0.053  0.593  1.0
  O  O14  1  0.919  0.264  0.927  1.0
  O  O15  1  0.416  0.042  0.836  1.0
  O  O16  1  0.944  0.572  0.655  1.0
  O  O17  1  0.357  0.268  0.128  1.0
  O  O18  1  0.282  0.381  0.621  1.0
  O  O19  1  0.743  0.641  0.355  1.0
  O  O20  1  0.640  0.738  0.890  1.0
  O  O21  1  0.049  0.420  0.327  1.0
  O  O22  1  0.584  0.966  0.168  1.0
  O  O23  1  0.079  0.744  0.087  1.0
  O  O24  1  0.264  0.919  0.417  1.0
[/CIF]
.
The structure described by Li5Cu4(BO3)4 crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(5), one O(7), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid, corners with three equivalent Cu(4)O5 trigonal bipyramids,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid, corners with three equivalent Cu(3)O5 trigonal bipyramids,  a cornercorner with one Li(3)O4 trigonal pyramid, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(5), and one O(7) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Cu(3)O5 trigonal bipyramid, corners with three equivalent Cu(2)O5 trigonal bipyramids,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(1), one O(4), one O(6), and one O(7) atom. In the fifth Li site, Li(5) is bonded in a 4-coordinate geometry to one O(1), one O(4), one O(6), and one O(8) atom. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(12), one O(3), one O(4), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  an edgeedge with one Cu(3)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the second Cu site, Cu(2) is bonded to one O(10), one O(11), one O(2), one O(5), and one O(9) atom to form CuO5 trigonal bipyramids that share corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Cu(3)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. In the third Cu site, Cu(3) is bonded to one O(11), one O(2), one O(3), one O(4), and one O(8) atom to form distorted CuO5 trigonal bipyramids that share corners with three equivalent Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and  an edgeedge with one Cu(2)O5 trigonal bipyramid. In the fourth Cu site, Cu(4) is bonded to one O(1), one O(10), one O(12), one O(7), and one O(9) atom to form distorted CuO5 trigonal bipyramids that share corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cu(1)O5 trigonal bipyramid,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(6) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(12), one O(7), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(5) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Li(4), one Li(5), one Cu(1), one Cu(4), and one B(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cu(2), one Cu(3), and one B(1) atom. In the third O site, O(3) is bonded to one Li(2), one Cu(1), one Cu(3), and one B(1) atom to form distorted OLiCu2B tetrahedra that share  a cornercorner with one O(11)LiCu2B tetrahedra and  a cornercorner with one O(5)Li3CuB trigonal bipyramid. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Li(4), one Li(5), one Cu(1), one Cu(3), and one B(2) atom. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Cu(2), and one B(4) atom to form distorted corner-sharing OLi3CuB trigonal bipyramids. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(4), one Li(5), one Cu(1), and one B(2) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Li(1), one Li(3), one Li(4), one Cu(4), and one B(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(2), one Li(5), one Cu(3), and one B(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Cu(2), one Cu(4), and one B(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Cu(2), one Cu(4), and one B(4) atom. In the eleventh O site, O(11) is bonded to one Li(3), one Cu(2), one Cu(3), and one B(4) atom to form distorted OLiCu2B tetrahedra that share  a cornercorner with one O(3)LiCu2B tetrahedra and corners with three equivalent O(5)Li3CuB trigonal bipyramids. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(1), one Cu(1), one Cu(4), and one B(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Cu4(BO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.160
_cell_length_b   5.169
_cell_length_c   10.266
_cell_angle_alpha   89.964
_cell_angle_beta   91.623
_cell_angle_gamma   119.752
_symmetry_Int_Tables_number   1
_cell_volume   237.618
_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
  Li  Li0  1  0.336  0.300  0.332  1.0
  Li  Li1  1  0.337  0.333  0.923  1.0
  Li  Li2  1  0.688  0.662  0.153  1.0
  Li  Li3  1  0.654  0.631  0.527  1.0
  Li  Li4  1  0.628  0.669  0.717  1.0
  Cu  Cu5  1  0.322  0.997  0.628  1.0
  Cu  Cu6  1  0.975  0.326  0.127  1.0
  Cu  Cu7  1  0.032  0.680  0.884  1.0
  Cu  Cu8  1  0.677  0.037  0.368  1.0
  B  B9  1  0.658  0.010  0.885  1.0
  B  B10  1  0.995  0.336  0.624  1.0
  B  B11  1  0.018  0.661  0.366  1.0
  B  B12  1  0.340  0.995  0.127  1.0
  O  O13  1  0.750  0.053  0.593  1.0
  O  O14  1  0.919  0.264  0.927  1.0
  O  O15  1  0.416  0.042  0.836  1.0
  O  O16  1  0.944  0.572  0.655  1.0
  O  O17  1  0.357  0.268  0.128  1.0
  O  O18  1  0.282  0.381  0.621  1.0
  O  O19  1  0.743  0.641  0.355  1.0
  O  O20  1  0.640  0.738  0.890  1.0
  O  O21  1  0.049  0.420  0.327  1.0
  O  O22  1  0.584  0.966  0.168  1.0
  O  O23  1  0.079  0.744  0.087  1.0
  O  O24  1  0.264  0.919  0.417  1.0
[/CIF]
.