The structure described by Li4NiSn3(PO4)4 crystallizes in the monoclinic Pm space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(5), one O(6), one O(7), one O(8), and one O(9) atom. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom to form LiO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra,  an edgeedge with one Sn(2)O6 pentagonal pyramid,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-72°. Ni(1) is bonded to one O(12), one O(4), two equivalent O(2), and two equivalent O(8) atoms to form distorted NiO6 octahedra that share corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Sn(2)O6 pentagonal pyramids,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-72°. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 6-coordinate geometry to one O(3), one O(7), two equivalent O(11), and two equivalent O(5) atoms. In the second Sn site, Sn(2) is bonded to one O(10), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form distorted SnO6 pentagonal pyramids that share corners with four equivalent Ni(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the third Sn site, Sn(3) is bonded in a 5-coordinate geometry to one O(1), two equivalent O(11), and two equivalent O(5) atoms. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), and two equivalent O(2) atoms to form PO4 tetrahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra,  a cornercorner with one Sn(2)O6 pentagonal pyramid, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one Sn(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 43-52°. In the second P site, P(2) is bonded to one O(6), one O(9), and two equivalent O(5) atoms to form PO4 tetrahedra that share  a cornercorner with one Sn(2)O6 pentagonal pyramid. In the third P site, P(3) is bonded to one O(4), one O(7), and two equivalent O(8) atoms to form PO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Sn(2)O6 pentagonal pyramids, and  an edgeedge with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the fourth P site, P(4) is bonded to one O(12), one O(3), and two equivalent O(11) atoms to form PO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal pyramidal geometry to two equivalent Li(2), one Sn(3), 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(2), one Ni(1), one Sn(2), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Li(2), one Sn(1), and one P(4) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Ni(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Sn(1), one Sn(3), and one P(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Sn(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Sn(1), and one P(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(1), one Ni(1), one Sn(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Li(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to two equivalent Li(2), one Sn(2), and one P(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Li(2), one Sn(1), one Sn(3), and one P(4) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one Ni(1), and one P(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4NiSn3(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.742
_cell_length_b   4.845
_cell_length_c   10.982
_cell_angle_alpha   88.895
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   358.704
_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  0.263  0.983  0.009  1.0
  Li  Li1  1  0.737  0.983  0.009  1.0
  Li  Li2  1  0.750  0.499  0.490  1.0
  Li  Li3  1  0.249  0.499  0.490  1.0
  Ni  Ni4  1  0.000  0.023  0.273  1.0
  Sn  Sn5  1  0.000  0.475  0.781  1.0
  Sn  Sn6  1  0.500  0.534  0.217  1.0
  Sn  Sn7  1  0.500  0.953  0.705  1.0
  P  P8  1  0.500  0.087  0.413  1.0
  P  P9  1  0.500  0.387  0.924  1.0
  P  P10  1  0.000  0.619  0.104  1.0
  P  P11  1  0.000  0.914  0.560  1.0
  O  O12  1  0.500  0.236  0.540  1.0
  O  O13  1  0.312  0.201  0.343  1.0
  O  O14  1  0.688  0.201  0.343  1.0
  O  O15  1  0.000  0.231  0.561  1.0
  O  O16  1  0.000  0.302  0.119  1.0
  O  O17  1  0.315  0.277  0.853  1.0
  O  O18  1  0.685  0.277  0.853  1.0
  O  O19  1  0.500  0.231  0.050  1.0
  O  O20  1  0.000  0.724  0.968  1.0
  O  O21  1  0.820  0.763  0.167  1.0
  O  O22  1  0.180  0.763  0.167  1.0
  O  O23  1  0.500  0.701  0.941  1.0
  O  O24  1  0.500  0.772  0.430  1.0
  O  O25  1  0.817  0.785  0.630  1.0
  O  O26  1  0.183  0.785  0.630  1.0
  O  O27  1  0.000  0.793  0.429  1.0
[/CIF]
.
The structure described by Li4NiSn3(PO4)4 crystallizes in the monoclinic Pm space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(5), one O(6), one O(7), one O(8), and one O(9) atom. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom to form LiO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra,  an edgeedge with one Sn(2)O6 pentagonal pyramid,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-72°. Ni(1) is bonded to one O(12), one O(4), two equivalent O(2), and two equivalent O(8) atoms to form distorted NiO6 octahedra that share corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Sn(2)O6 pentagonal pyramids,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 55-72°. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 6-coordinate geometry to one O(3), one O(7), two equivalent O(11), and two equivalent O(5) atoms. In the second Sn site, Sn(2) is bonded to one O(10), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form distorted SnO6 pentagonal pyramids that share corners with four equivalent Ni(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the third Sn site, Sn(3) is bonded in a 5-coordinate geometry to one O(1), two equivalent O(11), and two equivalent O(5) atoms. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), and two equivalent O(2) atoms to form PO4 tetrahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra,  a cornercorner with one Sn(2)O6 pentagonal pyramid, edges with two equivalent Li(2)O6 octahedra, and  an edgeedge with one Sn(2)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 43-52°. In the second P site, P(2) is bonded to one O(6), one O(9), and two equivalent O(5) atoms to form PO4 tetrahedra that share  a cornercorner with one Sn(2)O6 pentagonal pyramid. In the third P site, P(3) is bonded to one O(4), one O(7), and two equivalent O(8) atoms to form PO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Sn(2)O6 pentagonal pyramids, and  an edgeedge with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the fourth P site, P(4) is bonded to one O(12), one O(3), and two equivalent O(11) atoms to form PO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, and edges with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal pyramidal geometry to two equivalent Li(2), one Sn(3), 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(2), one Ni(1), one Sn(2), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Li(2), one Sn(1), and one P(4) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Ni(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(1), one Sn(1), one Sn(3), and one P(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Sn(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Sn(1), and one P(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(1), one Ni(1), one Sn(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Li(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to two equivalent Li(2), one Sn(2), and one P(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Li(2), one Sn(1), one Sn(3), and one P(4) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one Ni(1), and one P(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4NiSn3(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.742
_cell_length_b   4.845
_cell_length_c   10.982
_cell_angle_alpha   88.895
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   358.704
_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  0.263  0.983  0.009  1.0
  Li  Li1  1  0.737  0.983  0.009  1.0
  Li  Li2  1  0.750  0.499  0.490  1.0
  Li  Li3  1  0.249  0.499  0.490  1.0
  Ni  Ni4  1  0.000  0.023  0.273  1.0
  Sn  Sn5  1  0.000  0.475  0.781  1.0
  Sn  Sn6  1  0.500  0.534  0.217  1.0
  Sn  Sn7  1  0.500  0.953  0.705  1.0
  P  P8  1  0.500  0.087  0.413  1.0
  P  P9  1  0.500  0.387  0.924  1.0
  P  P10  1  0.000  0.619  0.104  1.0
  P  P11  1  0.000  0.914  0.560  1.0
  O  O12  1  0.500  0.236  0.540  1.0
  O  O13  1  0.312  0.201  0.343  1.0
  O  O14  1  0.688  0.201  0.343  1.0
  O  O15  1  0.000  0.231  0.561  1.0
  O  O16  1  0.000  0.302  0.119  1.0
  O  O17  1  0.315  0.277  0.853  1.0
  O  O18  1  0.685  0.277  0.853  1.0
  O  O19  1  0.500  0.231  0.050  1.0
  O  O20  1  0.000  0.724  0.968  1.0
  O  O21  1  0.820  0.763  0.167  1.0
  O  O22  1  0.180  0.763  0.167  1.0
  O  O23  1  0.500  0.701  0.941  1.0
  O  O24  1  0.500  0.772  0.430  1.0
  O  O25  1  0.817  0.785  0.630  1.0
  O  O26  1  0.183  0.785  0.630  1.0
  O  O27  1  0.000  0.793  0.429  1.0
[/CIF]
.