The structure described by LiCu4(PO4)3 crystallizes in the orthorhombic Cmc2_1 space group. Li(1) is bonded in a bent 120 degrees geometry to two equivalent O(4) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(9), and two equivalent O(1) atoms. In the second Cu site, Cu(2) is bonded to one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CuO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and edges with two equivalent Cu(2)O5 square pyramids. In the third Cu site, Cu(3) is bonded in a 6-coordinate geometry to one O(2), one O(5), one O(6), one O(9), and two equivalent O(8) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(6), and two equivalent O(1) atoms to form PO4 tetrahedra that share corners with four equivalent Cu(2)O5 square pyramids. In the second P site, P(2) is bonded to one O(5), one O(9), and two equivalent O(4) atoms to form PO4 tetrahedra that share corners with two equivalent Cu(2)O5 square pyramids. In the third P site, P(3) is bonded to one O(3), one O(7), and two equivalent O(8) atoms to form PO4 tetrahedra that share corners with four equivalent Cu(2)O5 square pyramids. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Cu(1) and one P(1) atom. In the second O site, O(2) is bonded to one Cu(3), two equivalent Cu(2), and one P(1) atom to form edge-sharing OCu3P tetrahedra. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cu(1), two equivalent Cu(2), and one P(3) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Li(1), one Cu(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Cu(1), one Cu(3), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Cu(3), two equivalent Cu(2), and one P(1) atom. In the seventh O site, O(7) is bonded to one Cu(1), two equivalent Cu(2), and one P(3) atom to form distorted edge-sharing OCu3P tetrahedra. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Cu(3) and one P(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Cu(1), one Cu(3), and one P(2) atom. is represented by the CIF file [CIF]
data_LiCu4(PO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.311
_cell_length_b   8.311
_cell_length_c   9.946
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   136.035
_symmetry_Int_Tables_number   1
_cell_volume   476.954
_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  0.013  0.987  0.256  1.0
  Li  Li1  1  0.987  0.013  0.756  1.0
  Cu  Cu2  1  0.619  0.381  0.436  1.0
  Cu  Cu3  1  0.056  0.451  0.251  1.0
  Cu  Cu4  1  0.549  0.944  0.251  1.0
  Cu  Cu5  1  0.631  0.369  0.053  1.0
  Cu  Cu6  1  0.381  0.619  0.936  1.0
  Cu  Cu7  1  0.451  0.056  0.751  1.0
  Cu  Cu8  1  0.944  0.549  0.751  1.0
  Cu  Cu9  1  0.369  0.631  0.553  1.0
  P  P10  1  0.183  0.817  0.467  1.0
  P  P11  1  0.480  0.520  0.206  1.0
  P  P12  1  0.185  0.815  0.034  1.0
  P  P13  1  0.817  0.183  0.967  1.0
  P  P14  1  0.520  0.480  0.706  1.0
  P  P15  1  0.815  0.185  0.534  1.0
  O  O16  1  0.327  0.064  0.424  1.0
  O  O17  1  0.936  0.673  0.424  1.0
  O  O18  1  0.277  0.723  0.392  1.0
  O  O19  1  0.787  0.213  0.381  1.0
  O  O20  1  0.228  0.353  0.258  1.0
  O  O21  1  0.579  0.421  0.244  1.0
  O  O22  1  0.647  0.772  0.258  1.0
  O  O23  1  0.792  0.208  0.120  1.0
  O  O24  1  0.274  0.726  0.117  1.0
  O  O25  1  0.327  0.065  0.069  1.0
  O  O26  1  0.935  0.673  0.069  1.0
  O  O27  1  0.486  0.514  0.049  1.0
  O  O28  1  0.064  0.327  0.924  1.0
  O  O29  1  0.673  0.936  0.924  1.0
  O  O30  1  0.723  0.277  0.892  1.0
  O  O31  1  0.213  0.787  0.881  1.0
  O  O32  1  0.421  0.579  0.744  1.0
  O  O33  1  0.353  0.228  0.758  1.0
  O  O34  1  0.772  0.647  0.758  1.0
  O  O35  1  0.208  0.792  0.620  1.0
  O  O36  1  0.726  0.274  0.617  1.0
  O  O37  1  0.673  0.935  0.569  1.0
  O  O38  1  0.065  0.327  0.569  1.0
  O  O39  1  0.514  0.486  0.549  1.0
[/CIF]
.
The structure described by LiCu4(PO4)3 crystallizes in the orthorhombic Cmc2_1 space group. Li(1) is bonded in a bent 120 degrees geometry to two equivalent O(4) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(9), and two equivalent O(1) atoms. In the second Cu site, Cu(2) is bonded to one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CuO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and edges with two equivalent Cu(2)O5 square pyramids. In the third Cu site, Cu(3) is bonded in a 6-coordinate geometry to one O(2), one O(5), one O(6), one O(9), and two equivalent O(8) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(6), and two equivalent O(1) atoms to form PO4 tetrahedra that share corners with four equivalent Cu(2)O5 square pyramids. In the second P site, P(2) is bonded to one O(5), one O(9), and two equivalent O(4) atoms to form PO4 tetrahedra that share corners with two equivalent Cu(2)O5 square pyramids. In the third P site, P(3) is bonded to one O(3), one O(7), and two equivalent O(8) atoms to form PO4 tetrahedra that share corners with four equivalent Cu(2)O5 square pyramids. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Cu(1) and one P(1) atom. In the second O site, O(2) is bonded to one Cu(3), two equivalent Cu(2), and one P(1) atom to form edge-sharing OCu3P tetrahedra. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cu(1), two equivalent Cu(2), and one P(3) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Li(1), one Cu(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Cu(1), one Cu(3), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Cu(3), two equivalent Cu(2), and one P(1) atom. In the seventh O site, O(7) is bonded to one Cu(1), two equivalent Cu(2), and one P(3) atom to form distorted edge-sharing OCu3P tetrahedra. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Cu(3) and one P(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Cu(1), one Cu(3), and one P(2) atom. is represented by the CIF file [CIF]
data_LiCu4(PO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.311
_cell_length_b   8.311
_cell_length_c   9.946
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   136.035
_symmetry_Int_Tables_number   1
_cell_volume   476.954
_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  0.013  0.987  0.256  1.0
  Li  Li1  1  0.987  0.013  0.756  1.0
  Cu  Cu2  1  0.619  0.381  0.436  1.0
  Cu  Cu3  1  0.056  0.451  0.251  1.0
  Cu  Cu4  1  0.549  0.944  0.251  1.0
  Cu  Cu5  1  0.631  0.369  0.053  1.0
  Cu  Cu6  1  0.381  0.619  0.936  1.0
  Cu  Cu7  1  0.451  0.056  0.751  1.0
  Cu  Cu8  1  0.944  0.549  0.751  1.0
  Cu  Cu9  1  0.369  0.631  0.553  1.0
  P  P10  1  0.183  0.817  0.467  1.0
  P  P11  1  0.480  0.520  0.206  1.0
  P  P12  1  0.185  0.815  0.034  1.0
  P  P13  1  0.817  0.183  0.967  1.0
  P  P14  1  0.520  0.480  0.706  1.0
  P  P15  1  0.815  0.185  0.534  1.0
  O  O16  1  0.327  0.064  0.424  1.0
  O  O17  1  0.936  0.673  0.424  1.0
  O  O18  1  0.277  0.723  0.392  1.0
  O  O19  1  0.787  0.213  0.381  1.0
  O  O20  1  0.228  0.353  0.258  1.0
  O  O21  1  0.579  0.421  0.244  1.0
  O  O22  1  0.647  0.772  0.258  1.0
  O  O23  1  0.792  0.208  0.120  1.0
  O  O24  1  0.274  0.726  0.117  1.0
  O  O25  1  0.327  0.065  0.069  1.0
  O  O26  1  0.935  0.673  0.069  1.0
  O  O27  1  0.486  0.514  0.049  1.0
  O  O28  1  0.064  0.327  0.924  1.0
  O  O29  1  0.673  0.936  0.924  1.0
  O  O30  1  0.723  0.277  0.892  1.0
  O  O31  1  0.213  0.787  0.881  1.0
  O  O32  1  0.421  0.579  0.744  1.0
  O  O33  1  0.353  0.228  0.758  1.0
  O  O34  1  0.772  0.647  0.758  1.0
  O  O35  1  0.208  0.792  0.620  1.0
  O  O36  1  0.726  0.274  0.617  1.0
  O  O37  1  0.673  0.935  0.569  1.0
  O  O38  1  0.065  0.327  0.569  1.0
  O  O39  1  0.514  0.486  0.549  1.0
[/CIF]
.