The compound described by Rb2Li14Pb3O14 crystallizes in the orthorhombic Immm space group. Rb(1) is bonded in a 6-coordinate geometry to two equivalent O(1) and four equivalent O(4) atoms. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form LiO4 tetrahedra that share corners with two equivalent Pb(1)O6 octahedra, corners with two equivalent Pb(2)O6 octahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra, and edges with four equivalent Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 23-40°. In the second Li site, Li(2) is bonded to one O(3), one O(4), and two equivalent O(1) atoms to form distorted LiO4 tetrahedra that share  a cornercorner with one Pb(2)O6 octahedra, corners with two equivalent Pb(1)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Pb(1)O6 octahedra,  an edgeedge with one Li(2)O4 tetrahedra, and edges with two equivalent Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-40°. In the third Li site, Li(3) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Pb(1)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Pb(1)O6 octahedra,  an edgeedge with one Pb(2)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 67°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form distorted PbO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Pb(2)O6 octahedra, edges with two equivalent Li(2)O4 tetrahedra, and edges with four equivalent Li(3)O4 tetrahedra. In the second Pb site, Pb(2) is bonded to two equivalent O(2) and four equivalent O(3) atoms to form PbO6 octahedra that share corners with four equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Pb(1)O6 octahedra, and edges with eight equivalent Li(3)O4 tetrahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Li(2), two equivalent Li(3), and one Pb(1) atom. In the second O site, O(2) is bonded to two equivalent Li(1), four equivalent Li(3), and one Pb(2) atom to form a mixture of distorted corner and edge-sharing OLi6Pb hexagonal pyramids. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(2), two equivalent Li(3), one Pb(1), and one Pb(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Rb(1), one Li(1), one Li(2), two equivalent Li(3), and one Pb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb2Li14Pb3O14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.520
_cell_length_b   8.520
_cell_length_c   8.520
_cell_angle_alpha   128.641
_cell_angle_beta   123.243
_cell_angle_gamma   80.060
_symmetry_Int_Tables_number   1
_cell_volume   390.153
_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
  Rb  Rb0  1  0.500  0.235  0.735  1.0
  Rb  Rb1  1  0.500  0.765  0.265  1.0
  Li  Li2  1  0.842  0.500  0.342  1.0
  Li  Li3  1  0.158  0.500  0.658  1.0
  Li  Li4  1  0.415  0.770  0.646  1.0
  Li  Li5  1  0.585  0.230  0.354  1.0
  Li  Li6  1  0.876  0.230  0.646  1.0
  Li  Li7  1  0.124  0.770  0.354  1.0
  Li  Li8  1  0.709  0.593  0.572  1.0
  Li  Li9  1  0.291  0.863  0.885  1.0
  Li  Li10  1  0.978  0.407  0.115  1.0
  Li  Li11  1  0.022  0.137  0.428  1.0
  Li  Li12  1  0.291  0.407  0.428  1.0
  Li  Li13  1  0.709  0.137  0.115  1.0
  Li  Li14  1  0.022  0.593  0.885  1.0
  Li  Li15  1  0.978  0.863  0.572  1.0
  Pb  Pb16  1  0.728  0.728  0.000  1.0
  Pb  Pb17  1  0.272  0.272  0.000  1.0
  Pb  Pb18  1  0.000  0.000  0.000  1.0
  O  O19  1  0.749  0.041  0.292  1.0
  O  O20  1  0.251  0.543  0.292  1.0
  O  O21  1  0.251  0.959  0.708  1.0
  O  O22  1  0.749  0.457  0.708  1.0
  O  O23  1  0.000  0.705  0.705  1.0
  O  O24  1  0.000  0.295  0.295  1.0
  O  O25  1  0.686  0.873  0.813  1.0
  O  O26  1  0.314  0.127  0.187  1.0
  O  O27  1  0.940  0.127  0.813  1.0
  O  O28  1  0.060  0.873  0.187  1.0
  O  O29  1  0.411  0.629  0.782  1.0
  O  O30  1  0.589  0.371  0.218  1.0
  O  O31  1  0.153  0.371  0.782  1.0
  O  O32  1  0.847  0.629  0.218  1.0
[/CIF]
.
The compound described by Rb2Li14Pb3O14 crystallizes in the orthorhombic Immm space group. Rb(1) is bonded in a 6-coordinate geometry to two equivalent O(1) and four equivalent O(4) atoms. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(2) and two equivalent O(4) atoms to form LiO4 tetrahedra that share corners with two equivalent Pb(1)O6 octahedra, corners with two equivalent Pb(2)O6 octahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra, and edges with four equivalent Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 23-40°. In the second Li site, Li(2) is bonded to one O(3), one O(4), and two equivalent O(1) atoms to form distorted LiO4 tetrahedra that share  a cornercorner with one Pb(2)O6 octahedra, corners with two equivalent Pb(1)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Pb(1)O6 octahedra,  an edgeedge with one Li(2)O4 tetrahedra, and edges with two equivalent Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-40°. In the third Li site, Li(3) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Pb(1)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Pb(1)O6 octahedra,  an edgeedge with one Pb(2)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 67°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form distorted PbO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(3)O4 tetrahedra,  an edgeedge with one Pb(2)O6 octahedra, edges with two equivalent Li(2)O4 tetrahedra, and edges with four equivalent Li(3)O4 tetrahedra. In the second Pb site, Pb(2) is bonded to two equivalent O(2) and four equivalent O(3) atoms to form PbO6 octahedra that share corners with four equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Pb(1)O6 octahedra, and edges with eight equivalent Li(3)O4 tetrahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Li(2), two equivalent Li(3), and one Pb(1) atom. In the second O site, O(2) is bonded to two equivalent Li(1), four equivalent Li(3), and one Pb(2) atom to form a mixture of distorted corner and edge-sharing OLi6Pb hexagonal pyramids. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(2), two equivalent Li(3), one Pb(1), and one Pb(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Rb(1), one Li(1), one Li(2), two equivalent Li(3), and one Pb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb2Li14Pb3O14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.520
_cell_length_b   8.520
_cell_length_c   8.520
_cell_angle_alpha   128.641
_cell_angle_beta   123.243
_cell_angle_gamma   80.060
_symmetry_Int_Tables_number   1
_cell_volume   390.153
_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
  Rb  Rb0  1  0.500  0.235  0.735  1.0
  Rb  Rb1  1  0.500  0.765  0.265  1.0
  Li  Li2  1  0.842  0.500  0.342  1.0
  Li  Li3  1  0.158  0.500  0.658  1.0
  Li  Li4  1  0.415  0.770  0.646  1.0
  Li  Li5  1  0.585  0.230  0.354  1.0
  Li  Li6  1  0.876  0.230  0.646  1.0
  Li  Li7  1  0.124  0.770  0.354  1.0
  Li  Li8  1  0.709  0.593  0.572  1.0
  Li  Li9  1  0.291  0.863  0.885  1.0
  Li  Li10  1  0.978  0.407  0.115  1.0
  Li  Li11  1  0.022  0.137  0.428  1.0
  Li  Li12  1  0.291  0.407  0.428  1.0
  Li  Li13  1  0.709  0.137  0.115  1.0
  Li  Li14  1  0.022  0.593  0.885  1.0
  Li  Li15  1  0.978  0.863  0.572  1.0
  Pb  Pb16  1  0.728  0.728  0.000  1.0
  Pb  Pb17  1  0.272  0.272  0.000  1.0
  Pb  Pb18  1  0.000  0.000  0.000  1.0
  O  O19  1  0.749  0.041  0.292  1.0
  O  O20  1  0.251  0.543  0.292  1.0
  O  O21  1  0.251  0.959  0.708  1.0
  O  O22  1  0.749  0.457  0.708  1.0
  O  O23  1  0.000  0.705  0.705  1.0
  O  O24  1  0.000  0.295  0.295  1.0
  O  O25  1  0.686  0.873  0.813  1.0
  O  O26  1  0.314  0.127  0.187  1.0
  O  O27  1  0.940  0.127  0.813  1.0
  O  O28  1  0.060  0.873  0.187  1.0
  O  O29  1  0.411  0.629  0.782  1.0
  O  O30  1  0.589  0.371  0.218  1.0
  O  O31  1  0.153  0.371  0.782  1.0
  O  O32  1  0.847  0.629  0.218  1.0
[/CIF]
.