The structure described by MgAg14(PbO3)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted see-saw-like geometry to one O(10), one O(12), one O(14), and one O(3) 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 linear geometry to one O(5) and one O(6) atom. In the fourth Ag site, Ag(4) is bonded in a bent 150 degrees geometry to one O(13) and one O(8) atom. In the fifth Ag site, Ag(5) is bonded in a distorted 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 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 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 distorted trigonal planar 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 bent 120 degrees geometry to one O(10) and one O(8) atom. In the tenth Ag site, Ag(10) is bonded in a distorted trigonal non-coplanar 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 linear geometry to one O(12) and one O(15) 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 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), and one O(6) atom to form a mixture of corner and edge-sharing PbO5 square pyramids. The corner-sharing octahedral tilt angles are 78°. In the second Pb site, Pb(2) is bonded to one O(1), one O(12), one O(2), one O(5), one O(7), and one O(9) atom to form PbO6 octahedra that share  an edgeedge with one Pb(4)O6 octahedra,  an edgeedge with one Pb(5)O6 octahedra, and  an edgeedge with one Pb(1)O5 square pyramid. 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 PbO6 octahedra that share  a cornercorner with one Pb(1)O5 square pyramid,  an edgeedge with one Pb(4)O6 octahedra, and  an edgeedge with one Pb(5)O6 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 edge-sharing PbO6 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 edge-sharing PbO6 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 PbO6 octahedra that share  an edgeedge with one Pb(4)O6 octahedra,  an edgeedge with one Pb(5)O6 octahedra, and  an edgeedge with one Pb(1)O5 square pyramid. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Ag(1), one Ag(10), one Pb(1), and one Pb(2) atom to form distorted OAg2Pb2 tetrahedra that share  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(2)Ag2Pb2 tetrahedra. In the second O site, O(2) is bonded to one Ag(14), one Ag(7), one Pb(1), and one Pb(2) 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(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra, and  an edgeedge with one O(1)Ag2Pb2 tetrahedra. In the third O site, O(3) is bonded to one Mg(1), one Ag(1), one Pb(3), and one Pb(4) atom to form distorted OMgAgPb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  an edgeedge with one O(17)Ag2Pb2 tetrahedra, and  an edgeedge with one O(14)MgAgPb2 trigonal pyramid. 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(1)Ag2Pb2 tetrahedra,  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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  a cornercorner with one O(14)MgAgPb2 trigonal pyramid. In the fifth O site, O(5) is bonded to one Ag(3), one Ag(5), one Pb(2), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)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(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra, and  an edgeedge with one O(9)Ag2Pb2 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(1)Ag2Pb2 tetrahedra,  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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra, and  an edgeedge with one O(10)MgAgPb2 tetrahedra. In the seventh O site, O(7) is bonded to one Ag(2), one Ag(6), one Pb(2), and one Pb(5) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(12)MgAgPb2 tetrahedra. In the eighth O site, O(8) is bonded to one Ag(4), one Ag(8), one Ag(9), and one Pb(3) atom to form distorted OAg3Pb trigonal pyramids 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(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra, and  a cornercorner with one O(14)MgAgPb2 trigonal pyramid. In the ninth O site, O(9) is bonded to one Ag(11), one Ag(8), one Pb(2), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  an edgeedge with one O(5)Ag2Pb2 tetrahedra. In the tenth O site, O(10) is bonded to one Mg(1), one Ag(9), one Pb(1), and one Pb(6) atom to form OMgAgPb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(6)Ag2Pb2 tetrahedra. 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  an edgeedge with one O(14)MgAgPb2 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Mg(1), one Ag(12), one Pb(2), and one Pb(5) atom to form distorted OMgAgPb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  an edgeedge with one O(7)Ag2Pb2 tetrahedra, and  an edgeedge with one O(14)MgAgPb2 trigonal pyramid. 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  an edgeedge with one O(15)Ag2Pb2 tetrahedra. In the fourteenth O site, O(14) is bonded to one Mg(1), one Ag(10), one Pb(3), and one Pb(5) atom to form OMgAgPb2 trigonal pyramids that share  a cornercorner with one O(1)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(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  an edgeedge with one O(11)Ag2Pb2 tetrahedra,  an edgeedge with one O(12)MgAgPb2 tetrahedra, and  an edgeedge with one O(3)MgAgPb2 tetrahedra. 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 distorted OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, 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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(3)MgAgPb2 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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(16)Ag2Pb2 tetrahedra. is represented by the CIF file [CIF]
data_MgAg14(PbO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.931
_cell_length_b   8.968
_cell_length_c   8.852
_cell_angle_alpha   72.749
_cell_angle_beta   107.018
_cell_angle_gamma   108.508
_symmetry_Int_Tables_number   1
_cell_volume   626.474
_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  0.829  0.222  0.216  1.0
  Ag  Ag1  1  0.837  0.180  0.654  1.0
  Ag  Ag2  1  0.171  0.338  0.834  1.0
  Ag  Ag3  1  0.691  0.835  0.845  1.0
  Ag  Ag4  1  0.497  0.973  0.523  1.0
  Ag  Ag5  1  0.124  0.917  0.914  1.0
  Ag  Ag6  1  0.271  0.755  0.738  1.0
  Ag  Ag7  1  0.423  0.578  0.601  1.0
  Ag  Ag8  1  0.606  0.427  0.435  1.0
  Ag  Ag9  1  0.423  0.190  0.218  1.0
  Ag  Ag10  1  0.956  0.054  0.046  1.0
  Ag  Ag11  1  0.025  0.517  0.507  1.0
  Ag  Ag12  1  0.841  0.657  0.178  1.0
  Ag  Ag13  1  0.173  0.852  0.322  1.0
  Ag  Ag14  1  0.509  0.508  0.002  1.0
  Pb  Pb15  1  0.516  0.169  0.836  1.0
  Pb  Pb16  1  0.849  0.507  0.837  1.0
  Pb  Pb17  1  0.167  0.174  0.492  1.0
  Pb  Pb18  1  0.844  0.839  0.503  1.0
  Pb  Pb19  1  0.176  0.504  0.167  1.0
  Pb  Pb20  1  0.521  0.836  0.172  1.0
  O  O21  1  0.800  0.241  0.855  1.0
  O  O22  1  0.584  0.454  0.822  1.0
  O  O23  1  0.885  0.117  0.460  1.0
  O  O24  1  0.220  0.158  0.756  1.0
  O  O25  1  0.874  0.778  0.776  1.0
  O  O26  1  0.499  0.882  0.905  1.0
  O  O27  1  0.118  0.529  0.895  1.0
  O  O28  1  0.415  0.193  0.478  1.0
  O  O29  1  0.833  0.571  0.564  1.0
  O  O30  1  0.591  0.117  0.125  1.0
  O  O31  1  0.198  0.446  0.440  1.0
  O  O32  1  0.893  0.467  0.118  1.0
  O  O33  1  0.575  0.805  0.447  1.0
  O  O34  1  0.074  0.228  0.220  1.0
  O  O35  1  0.791  0.854  0.231  1.0
  O  O36  1  0.446  0.559  0.191  1.0
  O  O37  1  0.112  0.905  0.517  1.0
  O  O38  1  0.245  0.778  0.150  1.0
[/CIF]
.
The structure described by MgAg14(PbO3)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted see-saw-like geometry to one O(10), one O(12), one O(14), and one O(3) 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 linear geometry to one O(5) and one O(6) atom. In the fourth Ag site, Ag(4) is bonded in a bent 150 degrees geometry to one O(13) and one O(8) atom. In the fifth Ag site, Ag(5) is bonded in a distorted 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 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 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 distorted trigonal planar 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 bent 120 degrees geometry to one O(10) and one O(8) atom. In the tenth Ag site, Ag(10) is bonded in a distorted trigonal non-coplanar 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 linear geometry to one O(12) and one O(15) 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 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), and one O(6) atom to form a mixture of corner and edge-sharing PbO5 square pyramids. The corner-sharing octahedral tilt angles are 78°. In the second Pb site, Pb(2) is bonded to one O(1), one O(12), one O(2), one O(5), one O(7), and one O(9) atom to form PbO6 octahedra that share  an edgeedge with one Pb(4)O6 octahedra,  an edgeedge with one Pb(5)O6 octahedra, and  an edgeedge with one Pb(1)O5 square pyramid. 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 PbO6 octahedra that share  a cornercorner with one Pb(1)O5 square pyramid,  an edgeedge with one Pb(4)O6 octahedra, and  an edgeedge with one Pb(5)O6 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 edge-sharing PbO6 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 edge-sharing PbO6 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 PbO6 octahedra that share  an edgeedge with one Pb(4)O6 octahedra,  an edgeedge with one Pb(5)O6 octahedra, and  an edgeedge with one Pb(1)O5 square pyramid. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Ag(1), one Ag(10), one Pb(1), and one Pb(2) atom to form distorted OAg2Pb2 tetrahedra that share  a cornercorner with one O(15)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(2)Ag2Pb2 tetrahedra. In the second O site, O(2) is bonded to one Ag(14), one Ag(7), one Pb(1), and one Pb(2) 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(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra, and  an edgeedge with one O(1)Ag2Pb2 tetrahedra. In the third O site, O(3) is bonded to one Mg(1), one Ag(1), one Pb(3), and one Pb(4) atom to form distorted OMgAgPb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  an edgeedge with one O(17)Ag2Pb2 tetrahedra, and  an edgeedge with one O(14)MgAgPb2 trigonal pyramid. 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(1)Ag2Pb2 tetrahedra,  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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  a cornercorner with one O(14)MgAgPb2 trigonal pyramid. In the fifth O site, O(5) is bonded to one Ag(3), one Ag(5), one Pb(2), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)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(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra, and  an edgeedge with one O(9)Ag2Pb2 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(1)Ag2Pb2 tetrahedra,  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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra, and  an edgeedge with one O(10)MgAgPb2 tetrahedra. In the seventh O site, O(7) is bonded to one Ag(2), one Ag(6), one Pb(2), and one Pb(5) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(12)MgAgPb2 tetrahedra. In the eighth O site, O(8) is bonded to one Ag(4), one Ag(8), one Ag(9), and one Pb(3) atom to form distorted OAg3Pb trigonal pyramids 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(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra, and  a cornercorner with one O(14)MgAgPb2 trigonal pyramid. In the ninth O site, O(9) is bonded to one Ag(11), one Ag(8), one Pb(2), and one Pb(4) atom to form OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(16)Ag2Pb2 tetrahedra,  a cornercorner with one O(17)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  an edgeedge with one O(5)Ag2Pb2 tetrahedra. In the tenth O site, O(10) is bonded to one Mg(1), one Ag(9), one Pb(1), and one Pb(6) atom to form OMgAgPb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 tetrahedra,  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(18)Ag2Pb2 tetrahedra,  a cornercorner with one O(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(6)Ag2Pb2 tetrahedra. 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(4)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  an edgeedge with one O(14)MgAgPb2 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Mg(1), one Ag(12), one Pb(2), and one Pb(5) atom to form distorted OMgAgPb2 tetrahedra that share  a cornercorner with one O(1)Ag2Pb2 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  an edgeedge with one O(7)Ag2Pb2 tetrahedra, and  an edgeedge with one O(14)MgAgPb2 trigonal pyramid. 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid, and  an edgeedge with one O(15)Ag2Pb2 tetrahedra. In the fourteenth O site, O(14) is bonded to one Mg(1), one Ag(10), one Pb(3), and one Pb(5) atom to form OMgAgPb2 trigonal pyramids that share  a cornercorner with one O(1)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(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  an edgeedge with one O(11)Ag2Pb2 tetrahedra,  an edgeedge with one O(12)MgAgPb2 tetrahedra, and  an edgeedge with one O(3)MgAgPb2 tetrahedra. 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 distorted OAg2Pb2 tetrahedra that share  a cornercorner with one O(1)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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(3)MgAgPb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, 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(2)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, 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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(9)Ag2Pb2 tetrahedra,  a cornercorner with one O(8)Ag3Pb trigonal pyramid,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(3)MgAgPb2 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(5)Ag2Pb2 tetrahedra,  a cornercorner with one O(6)Ag2Pb2 tetrahedra,  a cornercorner with one O(7)Ag2Pb2 tetrahedra,  a cornercorner with one O(10)MgAgPb2 tetrahedra,  a cornercorner with one O(12)MgAgPb2 tetrahedra,  a cornercorner with one O(14)MgAgPb2 trigonal pyramid, and  an edgeedge with one O(16)Ag2Pb2 tetrahedra. is represented by the CIF file [CIF]
data_MgAg14(PbO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.931
_cell_length_b   8.968
_cell_length_c   8.852
_cell_angle_alpha   72.749
_cell_angle_beta   107.018
_cell_angle_gamma   108.508
_symmetry_Int_Tables_number   1
_cell_volume   626.474
_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  0.829  0.222  0.216  1.0
  Ag  Ag1  1  0.837  0.180  0.654  1.0
  Ag  Ag2  1  0.171  0.338  0.834  1.0
  Ag  Ag3  1  0.691  0.835  0.845  1.0
  Ag  Ag4  1  0.497  0.973  0.523  1.0
  Ag  Ag5  1  0.124  0.917  0.914  1.0
  Ag  Ag6  1  0.271  0.755  0.738  1.0
  Ag  Ag7  1  0.423  0.578  0.601  1.0
  Ag  Ag8  1  0.606  0.427  0.435  1.0
  Ag  Ag9  1  0.423  0.190  0.218  1.0
  Ag  Ag10  1  0.956  0.054  0.046  1.0
  Ag  Ag11  1  0.025  0.517  0.507  1.0
  Ag  Ag12  1  0.841  0.657  0.178  1.0
  Ag  Ag13  1  0.173  0.852  0.322  1.0
  Ag  Ag14  1  0.509  0.508  0.002  1.0
  Pb  Pb15  1  0.516  0.169  0.836  1.0
  Pb  Pb16  1  0.849  0.507  0.837  1.0
  Pb  Pb17  1  0.167  0.174  0.492  1.0
  Pb  Pb18  1  0.844  0.839  0.503  1.0
  Pb  Pb19  1  0.176  0.504  0.167  1.0
  Pb  Pb20  1  0.521  0.836  0.172  1.0
  O  O21  1  0.800  0.241  0.855  1.0
  O  O22  1  0.584  0.454  0.822  1.0
  O  O23  1  0.885  0.117  0.460  1.0
  O  O24  1  0.220  0.158  0.756  1.0
  O  O25  1  0.874  0.778  0.776  1.0
  O  O26  1  0.499  0.882  0.905  1.0
  O  O27  1  0.118  0.529  0.895  1.0
  O  O28  1  0.415  0.193  0.478  1.0
  O  O29  1  0.833  0.571  0.564  1.0
  O  O30  1  0.591  0.117  0.125  1.0
  O  O31  1  0.198  0.446  0.440  1.0
  O  O32  1  0.893  0.467  0.118  1.0
  O  O33  1  0.575  0.805  0.447  1.0
  O  O34  1  0.074  0.228  0.220  1.0
  O  O35  1  0.791  0.854  0.231  1.0
  O  O36  1  0.446  0.559  0.191  1.0
  O  O37  1  0.112  0.905  0.517  1.0
  O  O38  1  0.245  0.778  0.150  1.0
[/CIF]
.