The compound described by MgAg14(PbO3)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted trigonal planar geometry to one Pb(2), one O(12), one O(2), and one O(5) atom. There are fourteen inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a linear geometry to one O(1) and one O(3) atom. In the second Ag site, Ag(2) is bonded in a linear geometry to one O(4) and one O(7) atom. In the third Ag site, Ag(3) is bonded in a distorted linear geometry to one O(1), one O(5), and one O(6) atom. In the fourth Ag site, Ag(4) is bonded in a linear geometry to one O(13) and one O(8) atom. In the fifth Ag site, Ag(5) is bonded in a trigonal planar geometry to one O(18), one O(4), and one O(5) atom. In the sixth Ag site, Ag(6) is bonded in a distorted trigonal non-coplanar geometry to one O(17), one O(6), and one O(7) atom. In the seventh Ag site, Ag(7) is bonded in a distorted trigonal non-coplanar geometry to one O(11), one O(13), and one O(2) atom. In the eighth Ag site, Ag(8) is bonded in a trigonal non-coplanar geometry to one O(16), one O(8), and one O(9) atom. In the ninth Ag site, Ag(9) is bonded in a distorted trigonal non-coplanar geometry to one O(10), one O(12), and one O(3) atom. In the tenth Ag site, Ag(10) is bonded in a distorted trigonal planar geometry to one O(1), one O(14), and one O(15) atom. In the eleventh Ag site, Ag(11) is bonded in a linear geometry to one O(11) and one O(9) atom. In the twelfth Ag site, Ag(12) is bonded in a distorted linear geometry to one O(12), one O(15), and one O(9) atom. In the thirteenth Ag site, Ag(13) is bonded in a linear geometry to one O(17) and one O(18) atom. In the fourteenth Ag site, Ag(14) is bonded in a distorted linear geometry to one O(16) and one O(2) atom. There are six inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(8) atom to form PbO6 octahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  an edgeedge with one Pb(3)O6 octahedra, and  an edgeedge with one Pb(6)O6 octahedra. In the second Pb site, Pb(2) is bonded to one Mg(1), one O(1), one O(7), and one O(9) atom to form distorted PbMgO3 tetrahedra that share  a cornercorner with one Pb(1)O6 octahedra,  a cornercorner with one Pb(4)O6 octahedra,  a cornercorner with one Pb(5)O6 octahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. The corner-sharing octahedral tilt angles range from 75-79°. In the third Pb site, Pb(3) is bonded to one O(11), one O(14), one O(17), one O(3), one O(4), and one O(8) atom to form edge-sharing PbO6 octahedra. In the fourth Pb site, Pb(4) is bonded to one O(13), one O(15), one O(17), one O(3), one O(5), and one O(9) atom to form PbO6 octahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  an edgeedge with one Pb(3)O6 octahedra, and  an edgeedge with one Pb(6)O6 octahedra. In the fifth Pb site, Pb(5) is bonded to one O(11), one O(12), one O(14), one O(16), one O(18), and one O(7) atom to form PbO6 octahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  an edgeedge with one Pb(3)O6 octahedra, and  an edgeedge with one Pb(6)O6 octahedra. In the sixth Pb site, Pb(6) is bonded to one O(10), one O(13), one O(15), one O(16), one O(18), and one O(6) atom to form edge-sharing PbO6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Ag(1), one Ag(10), one Ag(3), one Pb(1), and one Pb(2) atom. In the second O site, O(2) is bonded to one Mg(1), one Ag(14), one Ag(7), and one Pb(1) atom to form distorted OMgAg2Pb tetrahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. In the third O site, O(3) is bonded to one Ag(1), one Ag(9), one Pb(3), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(17)Ag2Pb2 tetrahedra. In the fourth O site, O(4) is bonded to one Ag(2), one Ag(5), one Pb(1), and one Pb(3) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(8)Ag2Pb2 tetrahedra. In the fifth O site, O(5) is bonded to one Mg(1), one Ag(3), one Ag(5), and one Pb(4) atom to form distorted OMgAg2Pb tetrahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra, and  a cornercorner with one O(2)MgAg2Pb tetrahedra. In the sixth O site, O(6) is bonded to one Ag(3), one Ag(6), one Pb(1), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ag(2), one Ag(6), one Pb(2), and one Pb(5) atom. In the eighth O site, O(8) is bonded to one Ag(4), one Ag(8), one Pb(1), and one Pb(3) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  an edgeedge with one O(4)Ag2Pb2 tetrahedra. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Ag(11), one Ag(12), one Ag(8), one Pb(2), and one Pb(4) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to one Ag(9), one Pb(1), and one Pb(6) atom. In the eleventh O site, O(11) is bonded to one Ag(11), one Ag(7), one Pb(3), and one Pb(5) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra, and  a cornercorner with one O(2)MgAg2Pb tetrahedra. In the twelfth O site, O(12) is bonded to one Mg(1), one Ag(12), one Ag(9), and one Pb(5) atom to form distorted OMgAg2Pb tetrahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. In the thirteenth O site, O(13) is bonded to one Ag(4), one Ag(7), one Pb(4), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(15)Ag2Pb2 tetrahedra. In the fourteenth O site, O(14) is bonded in a trigonal non-coplanar geometry to one Ag(10), one Pb(3), and one Pb(5) atom. In the fifteenth O site, O(15) is bonded to one Ag(10), one Ag(12), one Pb(4), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(13)Ag2Pb2 tetrahedra. In the sixteenth O site, O(16) is bonded to one Ag(14), one Ag(8), one Pb(5), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  an edgeedge with one O(18)Ag2Pb2 tetrahedra. In the seventeenth O site, O(17) is bonded to one Ag(13), one Ag(6), one Pb(3), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(3)Ag2Pb2 tetrahedra. In the eighteenth O site, O(18) is bonded to one Ag(13), one Ag(5), one Pb(5), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(16)Ag2Pb2 tetrahedra. is represented by the CIF card [CIF]
data_MgAg14(PbO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.118
_cell_length_b   9.028
_cell_length_c   9.013
_cell_angle_alpha   70.579
_cell_angle_beta   109.028
_cell_angle_gamma   109.070
_symmetry_Int_Tables_number   1
_cell_volume   641.328
_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
  Mg  Mg0  1  0.738  0.583  0.924  1.0
  Ag  Ag1  1  0.832  0.161  0.647  1.0
  Ag  Ag2  1  0.175  0.307  0.843  1.0
  Ag  Ag3  1  0.652  0.865  0.829  1.0
  Ag  Ag4  1  0.495  0.013  0.489  1.0
  Ag  Ag5  1  0.069  0.912  0.922  1.0
  Ag  Ag6  1  0.250  0.750  0.732  1.0
  Ag  Ag7  1  0.423  0.598  0.596  1.0
  Ag  Ag8  1  0.589  0.407  0.415  1.0
  Ag  Ag9  1  0.735  0.256  0.246  1.0
  Ag  Ag10  1  0.932  0.081  0.088  1.0
  Ag  Ag11  1  0.024  0.504  0.495  1.0
  Ag  Ag12  1  0.838  0.678  0.199  1.0
  Ag  Ag13  1  0.171  0.847  0.330  1.0
  Ag  Ag14  1  0.467  0.475  0.031  1.0
  Pb  Pb15  1  0.495  0.168  0.838  1.0
  Pb  Pb16  1  0.882  0.453  0.796  1.0
  Pb  Pb17  1  0.170  0.169  0.493  1.0
  Pb  Pb18  1  0.830  0.837  0.503  1.0
  Pb  Pb19  1  0.163  0.503  0.171  1.0
  Pb  Pb20  1  0.494  0.841  0.169  1.0
  O  O21  1  0.757  0.183  0.839  1.0
  O  O22  1  0.540  0.434  0.840  1.0
  O  O23  1  0.903  0.111  0.472  1.0
  O  O24  1  0.226  0.134  0.767  1.0
  O  O25  1  0.827  0.785  0.776  1.0
  O  O26  1  0.463  0.895  0.897  1.0
  O  O27  1  0.151  0.506  0.906  1.0
  O  O28  1  0.436  0.188  0.562  1.0
  O  O29  1  0.831  0.568  0.523  1.0
  O  O30  1  0.523  0.106  0.102  1.0
  O  O31  1  0.203  0.440  0.446  1.0
  O  O32  1  0.896  0.503  0.122  1.0
  O  O33  1  0.558  0.826  0.438  1.0
  O  O34  1  0.136  0.239  0.228  1.0
  O  O35  1  0.760  0.862  0.230  1.0
  O  O36  1  0.432  0.568  0.203  1.0
  O  O37  1  0.104  0.901  0.511  1.0
  O  O38  1  0.225  0.776  0.151  1.0
[/CIF]
.
The compound described by MgAg14(PbO3)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted trigonal planar geometry to one Pb(2), one O(12), one O(2), and one O(5) atom. There are fourteen inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a linear geometry to one O(1) and one O(3) atom. In the second Ag site, Ag(2) is bonded in a linear geometry to one O(4) and one O(7) atom. In the third Ag site, Ag(3) is bonded in a distorted linear geometry to one O(1), one O(5), and one O(6) atom. In the fourth Ag site, Ag(4) is bonded in a linear geometry to one O(13) and one O(8) atom. In the fifth Ag site, Ag(5) is bonded in a trigonal planar geometry to one O(18), one O(4), and one O(5) atom. In the sixth Ag site, Ag(6) is bonded in a distorted trigonal non-coplanar geometry to one O(17), one O(6), and one O(7) atom. In the seventh Ag site, Ag(7) is bonded in a distorted trigonal non-coplanar geometry to one O(11), one O(13), and one O(2) atom. In the eighth Ag site, Ag(8) is bonded in a trigonal non-coplanar geometry to one O(16), one O(8), and one O(9) atom. In the ninth Ag site, Ag(9) is bonded in a distorted trigonal non-coplanar geometry to one O(10), one O(12), and one O(3) atom. In the tenth Ag site, Ag(10) is bonded in a distorted trigonal planar geometry to one O(1), one O(14), and one O(15) atom. In the eleventh Ag site, Ag(11) is bonded in a linear geometry to one O(11) and one O(9) atom. In the twelfth Ag site, Ag(12) is bonded in a distorted linear geometry to one O(12), one O(15), and one O(9) atom. In the thirteenth Ag site, Ag(13) is bonded in a linear geometry to one O(17) and one O(18) atom. In the fourteenth Ag site, Ag(14) is bonded in a distorted linear geometry to one O(16) and one O(2) atom. There are six inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(8) atom to form PbO6 octahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  an edgeedge with one Pb(3)O6 octahedra, and  an edgeedge with one Pb(6)O6 octahedra. In the second Pb site, Pb(2) is bonded to one Mg(1), one O(1), one O(7), and one O(9) atom to form distorted PbMgO3 tetrahedra that share  a cornercorner with one Pb(1)O6 octahedra,  a cornercorner with one Pb(4)O6 octahedra,  a cornercorner with one Pb(5)O6 octahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. The corner-sharing octahedral tilt angles range from 75-79°. In the third Pb site, Pb(3) is bonded to one O(11), one O(14), one O(17), one O(3), one O(4), and one O(8) atom to form edge-sharing PbO6 octahedra. In the fourth Pb site, Pb(4) is bonded to one O(13), one O(15), one O(17), one O(3), one O(5), and one O(9) atom to form PbO6 octahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  an edgeedge with one Pb(3)O6 octahedra, and  an edgeedge with one Pb(6)O6 octahedra. In the fifth Pb site, Pb(5) is bonded to one O(11), one O(12), one O(14), one O(16), one O(18), and one O(7) atom to form PbO6 octahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  an edgeedge with one Pb(3)O6 octahedra, and  an edgeedge with one Pb(6)O6 octahedra. In the sixth Pb site, Pb(6) is bonded to one O(10), one O(13), one O(15), one O(16), one O(18), and one O(6) atom to form edge-sharing PbO6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Ag(1), one Ag(10), one Ag(3), one Pb(1), and one Pb(2) atom. In the second O site, O(2) is bonded to one Mg(1), one Ag(14), one Ag(7), and one Pb(1) atom to form distorted OMgAg2Pb tetrahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. In the third O site, O(3) is bonded to one Ag(1), one Ag(9), one Pb(3), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(17)Ag2Pb2 tetrahedra. In the fourth O site, O(4) is bonded to one Ag(2), one Ag(5), one Pb(1), and one Pb(3) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(8)Ag2Pb2 tetrahedra. In the fifth O site, O(5) is bonded to one Mg(1), one Ag(3), one Ag(5), and one Pb(4) atom to form distorted OMgAg2Pb tetrahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra, and  a cornercorner with one O(2)MgAg2Pb tetrahedra. In the sixth O site, O(6) is bonded to one Ag(3), one Ag(6), one Pb(1), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ag(2), one Ag(6), one Pb(2), and one Pb(5) atom. In the eighth O site, O(8) is bonded to one Ag(4), one Ag(8), one Pb(1), and one Pb(3) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  an edgeedge with one O(4)Ag2Pb2 tetrahedra. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Ag(11), one Ag(12), one Ag(8), one Pb(2), and one Pb(4) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to one Ag(9), one Pb(1), and one Pb(6) atom. In the eleventh O site, O(11) is bonded to one Ag(11), one Ag(7), one Pb(3), and one Pb(5) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra, and  a cornercorner with one O(2)MgAg2Pb tetrahedra. In the twelfth O site, O(12) is bonded to one Mg(1), one Ag(12), one Ag(9), and one Pb(5) atom to form distorted OMgAg2Pb tetrahedra that share  a cornercorner with one Pb(2)MgO3 tetrahedra,  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  a cornercorner with one O(5)MgAg2Pb tetrahedra. In the thirteenth O site, O(13) is bonded to one Ag(4), one Ag(7), one Pb(4), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(15)Ag2Pb2 tetrahedra. In the fourteenth O site, O(14) is bonded in a trigonal non-coplanar geometry to one Ag(10), one Pb(3), and one Pb(5) atom. In the fifteenth O site, O(15) is bonded to one Ag(10), one Ag(12), one Pb(4), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(3)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(13)Ag2Pb2 tetrahedra. In the sixteenth O site, O(16) is bonded to one Ag(14), one Ag(8), one Pb(5), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(2)MgAg2Pb tetrahedra, and  an edgeedge with one O(18)Ag2Pb2 tetrahedra. In the seventeenth O site, O(17) is bonded to one Ag(13), one Ag(6), one Pb(3), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(3)Ag2Pb2 tetrahedra. In the eighteenth O site, O(18) is bonded to one Ag(13), one Ag(5), one Pb(5), and one Pb(6) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(11)Ag2Pb2 tetrahedra,  a cornercorner with one O(13)Ag2Pb2 tetrahedra,  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAg2Pb tetrahedra,  a cornercorner with one O(5)MgAg2Pb tetrahedra, and  an edgeedge with one O(16)Ag2Pb2 tetrahedra. is represented by the CIF card [CIF]
data_MgAg14(PbO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.118
_cell_length_b   9.028
_cell_length_c   9.013
_cell_angle_alpha   70.579
_cell_angle_beta   109.028
_cell_angle_gamma   109.070
_symmetry_Int_Tables_number   1
_cell_volume   641.328
_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
  Mg  Mg0  1  0.738  0.583  0.924  1.0
  Ag  Ag1  1  0.832  0.161  0.647  1.0
  Ag  Ag2  1  0.175  0.307  0.843  1.0
  Ag  Ag3  1  0.652  0.865  0.829  1.0
  Ag  Ag4  1  0.495  0.013  0.489  1.0
  Ag  Ag5  1  0.069  0.912  0.922  1.0
  Ag  Ag6  1  0.250  0.750  0.732  1.0
  Ag  Ag7  1  0.423  0.598  0.596  1.0
  Ag  Ag8  1  0.589  0.407  0.415  1.0
  Ag  Ag9  1  0.735  0.256  0.246  1.0
  Ag  Ag10  1  0.932  0.081  0.088  1.0
  Ag  Ag11  1  0.024  0.504  0.495  1.0
  Ag  Ag12  1  0.838  0.678  0.199  1.0
  Ag  Ag13  1  0.171  0.847  0.330  1.0
  Ag  Ag14  1  0.467  0.475  0.031  1.0
  Pb  Pb15  1  0.495  0.168  0.838  1.0
  Pb  Pb16  1  0.882  0.453  0.796  1.0
  Pb  Pb17  1  0.170  0.169  0.493  1.0
  Pb  Pb18  1  0.830  0.837  0.503  1.0
  Pb  Pb19  1  0.163  0.503  0.171  1.0
  Pb  Pb20  1  0.494  0.841  0.169  1.0
  O  O21  1  0.757  0.183  0.839  1.0
  O  O22  1  0.540  0.434  0.840  1.0
  O  O23  1  0.903  0.111  0.472  1.0
  O  O24  1  0.226  0.134  0.767  1.0
  O  O25  1  0.827  0.785  0.776  1.0
  O  O26  1  0.463  0.895  0.897  1.0
  O  O27  1  0.151  0.506  0.906  1.0
  O  O28  1  0.436  0.188  0.562  1.0
  O  O29  1  0.831  0.568  0.523  1.0
  O  O30  1  0.523  0.106  0.102  1.0
  O  O31  1  0.203  0.440  0.446  1.0
  O  O32  1  0.896  0.503  0.122  1.0
  O  O33  1  0.558  0.826  0.438  1.0
  O  O34  1  0.136  0.239  0.228  1.0
  O  O35  1  0.760  0.862  0.230  1.0
  O  O36  1  0.432  0.568  0.203  1.0
  O  O37  1  0.104  0.901  0.511  1.0
  O  O38  1  0.225  0.776  0.151  1.0
[/CIF]
.