The compound described by Li7W5O16 is Spinel-like structured and crystallizes in the monoclinic Cm space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form LiO6 octahedra that share corners with two equivalent W(3)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent W(2)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-52°. In the second Li site, Li(2) is bonded to one O(12), one O(3), and two equivalent O(9) atoms to form LiO4 tetrahedra that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with three equivalent W(3)O6 octahedra, and corners with four equivalent W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-68°. In the third Li site, Li(3) is bonded to one O(5), one O(7), and two equivalent O(11) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(5)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with three equivalent W(3)O6 octahedra,  an edgeedge with one W(2)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-67°. In the fourth Li site, Li(4) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent W(1)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra, and edges with two equivalent W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-72°. In the fifth Li site, Li(5) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form LiO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one W(3)O6 octahedra, edges with four equivalent W(4)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the sixth Li site, Li(6) is bonded to one O(10), one O(2), and two equivalent O(6) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(5)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with three equivalent W(1)O6 octahedra, and corners with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-66°. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form WO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with four equivalent W(4)O6 octahedra, corners with three equivalent Li(6)O4 tetrahedra, corners with three equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one W(2)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. In the second W site, W(2) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form WO6 octahedra that share corners with two equivalent W(3)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. In the third W site, W(3) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Li(5)O6 octahedra, and edges with two equivalent W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the fourth W site, W(4) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form WO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one W(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent W(4)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 44-52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(4), one Li(5), one W(1), and one W(4) atom. In the second O site, O(2) is bonded to one Li(6), two equivalent Li(1), and one W(1) atom to form distorted corner-sharing OLi3W tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Li(1), and one W(2) atom. In the fourth O site, O(4) is bonded to one Li(4), two equivalent Li(1), and one W(2) atom to form corner-sharing OLi3W tetrahedra. In the fifth O site, O(5) is bonded to one Li(3), one Li(5), and two equivalent W(4) atoms to form distorted corner-sharing OLi2W2 tetrahedra. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(6), one W(1), and one W(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), two equivalent Li(1), and one W(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one W(1), and two equivalent W(4) atoms. In the ninth O site, O(9) is bonded to one Li(2), one Li(5), one W(3), and one W(4) atom to form a mixture of distorted corner and edge-sharing OLi2W2 tetrahedra. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(5), one Li(6), and two equivalent W(4) atoms. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(3), one W(2), and one W(3) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(2), one W(3), and two equivalent W(4) atoms. is represented by the CIF card [CIF]
data_Li7W5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.985
_cell_length_b   5.985
_cell_length_c   9.918
_cell_angle_alpha   89.676
_cell_angle_beta   89.676
_cell_angle_gamma   58.458
_symmetry_Int_Tables_number   1
_cell_volume   302.772
_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  0.339  0.827  0.211  1.0
  Li  Li1  1  0.676  0.676  0.909  1.0
  Li  Li2  1  0.003  0.003  0.990  1.0
  Li  Li3  1  0.010  0.010  0.484  1.0
  Li  Li4  1  0.827  0.339  0.211  1.0
  Li  Li5  1  0.162  0.162  0.717  1.0
  Li  Li6  1  0.333  0.333  0.398  1.0
  W  W7  1  0.654  0.654  0.476  1.0
  W  W8  1  0.825  0.825  0.227  1.0
  W  W9  1  0.331  0.331  1.000  1.0
  W  W10  1  0.191  0.634  0.711  1.0
  W  W11  1  0.634  0.191  0.711  1.0
  O  O12  1  0.353  0.790  0.599  1.0
  O  O13  1  0.521  0.521  0.362  1.0
  O  O14  1  0.686  0.686  0.110  1.0
  O  O15  1  0.991  0.991  0.295  1.0
  O  O16  1  0.994  0.994  0.802  1.0
  O  O17  1  0.790  0.353  0.599  1.0
  O  O18  1  0.524  0.974  0.352  1.0
  O  O19  1  0.974  0.524  0.352  1.0
  O  O20  1  0.173  0.173  0.071  1.0
  O  O21  1  0.830  0.830  0.597  1.0
  O  O22  1  0.056  0.497  0.845  1.0
  O  O23  1  0.497  0.056  0.845  1.0
  O  O24  1  0.322  0.322  0.591  1.0
  O  O25  1  0.161  0.651  0.093  1.0
  O  O26  1  0.490  0.490  0.858  1.0
  O  O27  1  0.651  0.161  0.093  1.0
[/CIF]
.
The compound described by Li7W5O16 is Spinel-like structured and crystallizes in the monoclinic Cm space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form LiO6 octahedra that share corners with two equivalent W(3)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent W(2)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-52°. In the second Li site, Li(2) is bonded to one O(12), one O(3), and two equivalent O(9) atoms to form LiO4 tetrahedra that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with three equivalent W(3)O6 octahedra, and corners with four equivalent W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-68°. In the third Li site, Li(3) is bonded to one O(5), one O(7), and two equivalent O(11) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(5)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with three equivalent W(3)O6 octahedra,  an edgeedge with one W(2)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-67°. In the fourth Li site, Li(4) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one W(2)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent W(1)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra, and edges with two equivalent W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-72°. In the fifth Li site, Li(5) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form LiO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one W(3)O6 octahedra, edges with four equivalent W(4)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the sixth Li site, Li(6) is bonded to one O(10), one O(2), and two equivalent O(6) atoms to form LiO4 tetrahedra that share  a cornercorner with one Li(5)O6 octahedra, corners with two equivalent W(2)O6 octahedra, corners with two equivalent W(4)O6 octahedra, corners with three equivalent W(1)O6 octahedra, and corners with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-66°. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form WO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with four equivalent W(4)O6 octahedra, corners with three equivalent Li(6)O4 tetrahedra, corners with three equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one W(2)O6 octahedra, and edges with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. In the second W site, W(2) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form WO6 octahedra that share corners with two equivalent W(3)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one W(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. In the third W site, W(3) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form distorted WO6 octahedra that share corners with two equivalent W(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Li(5)O6 octahedra, and edges with two equivalent W(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the fourth W site, W(4) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form WO6 octahedra that share corners with two equivalent W(1)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra,  an edgeedge with one W(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent W(4)O6 octahedra, and  an edgeedge with one Li(4)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 44-52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(4), one Li(5), one W(1), and one W(4) atom. In the second O site, O(2) is bonded to one Li(6), two equivalent Li(1), and one W(1) atom to form distorted corner-sharing OLi3W tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Li(1), and one W(2) atom. In the fourth O site, O(4) is bonded to one Li(4), two equivalent Li(1), and one W(2) atom to form corner-sharing OLi3W tetrahedra. In the fifth O site, O(5) is bonded to one Li(3), one Li(5), and two equivalent W(4) atoms to form distorted corner-sharing OLi2W2 tetrahedra. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(6), one W(1), and one W(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), two equivalent Li(1), and one W(3) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one W(1), and two equivalent W(4) atoms. In the ninth O site, O(9) is bonded to one Li(2), one Li(5), one W(3), and one W(4) atom to form a mixture of distorted corner and edge-sharing OLi2W2 tetrahedra. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(5), one Li(6), and two equivalent W(4) atoms. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(3), one W(2), and one W(3) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(2), one W(3), and two equivalent W(4) atoms. is represented by the CIF card [CIF]
data_Li7W5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.985
_cell_length_b   5.985
_cell_length_c   9.918
_cell_angle_alpha   89.676
_cell_angle_beta   89.676
_cell_angle_gamma   58.458
_symmetry_Int_Tables_number   1
_cell_volume   302.772
_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  0.339  0.827  0.211  1.0
  Li  Li1  1  0.676  0.676  0.909  1.0
  Li  Li2  1  0.003  0.003  0.990  1.0
  Li  Li3  1  0.010  0.010  0.484  1.0
  Li  Li4  1  0.827  0.339  0.211  1.0
  Li  Li5  1  0.162  0.162  0.717  1.0
  Li  Li6  1  0.333  0.333  0.398  1.0
  W  W7  1  0.654  0.654  0.476  1.0
  W  W8  1  0.825  0.825  0.227  1.0
  W  W9  1  0.331  0.331  1.000  1.0
  W  W10  1  0.191  0.634  0.711  1.0
  W  W11  1  0.634  0.191  0.711  1.0
  O  O12  1  0.353  0.790  0.599  1.0
  O  O13  1  0.521  0.521  0.362  1.0
  O  O14  1  0.686  0.686  0.110  1.0
  O  O15  1  0.991  0.991  0.295  1.0
  O  O16  1  0.994  0.994  0.802  1.0
  O  O17  1  0.790  0.353  0.599  1.0
  O  O18  1  0.524  0.974  0.352  1.0
  O  O19  1  0.974  0.524  0.352  1.0
  O  O20  1  0.173  0.173  0.071  1.0
  O  O21  1  0.830  0.830  0.597  1.0
  O  O22  1  0.056  0.497  0.845  1.0
  O  O23  1  0.497  0.056  0.845  1.0
  O  O24  1  0.322  0.322  0.591  1.0
  O  O25  1  0.161  0.651  0.093  1.0
  O  O26  1  0.490  0.490  0.858  1.0
  O  O27  1  0.651  0.161  0.093  1.0
[/CIF]
.