The compound described by MgAg14(PbO3)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted bent 150 degrees geometry to one O(1) and one O(5) atom. There are fourteen inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted bent 150 degrees 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 2-coordinate geometry to 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 3-coordinate 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 planar 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 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 trigonal planar 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 bent 150 degrees geometry to 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), one O(6), and one O(8) atom to form edge-sharing PbO6 octahedra. 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 distorted edge-sharing PbO6 octahedra. 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 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 edge-sharing PbO6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Ag(1), one Pb(1), and one Pb(2) atom. 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 corner-sharing OAg2Pb2 tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ag(1), one Ag(9), one Pb(3), and one Pb(4) atom. 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Ag(3), one Ag(5), one Pb(2), and one Pb(4) atom. 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 distorted corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. 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 corner-sharing OAg2Pb2 tetrahedra. 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 corner-sharing OAg2Pb2 tetrahedra. In the twelfth O site, O(12) is bonded to one Ag(12), one Ag(9), one Pb(2), and one Pb(5) atom to form a mixture of edge and corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. In the fourteenth O site, O(14) is bonded in a distorted 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 a mixture of distorted edge and corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 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 corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. is represented by the CIF card [CIF]
data_MgAg14(PbO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.044
_cell_length_b   8.776
_cell_length_c   8.956
_cell_angle_alpha   73.769
_cell_angle_beta   105.927
_cell_angle_gamma   106.131
_symmetry_Int_Tables_number   1
_cell_volume   640.510
_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  0.854  0.999  0.880  1.0
  Ag  Ag1  1  0.805  0.220  0.591  1.0
  Ag  Ag2  1  0.172  0.333  0.835  1.0
  Ag  Ag3  1  0.590  0.768  0.809  1.0
  Ag  Ag4  1  0.496  0.004  0.494  1.0
  Ag  Ag5  1  0.139  0.909  0.921  1.0
  Ag  Ag6  1  0.235  0.730  0.731  1.0
  Ag  Ag7  1  0.424  0.577  0.582  1.0
  Ag  Ag8  1  0.590  0.430  0.420  1.0
  Ag  Ag9  1  0.728  0.262  0.231  1.0
  Ag  Ag10  1  0.946  0.073  0.172  1.0
  Ag  Ag11  1  0.016  0.522  0.499  1.0
  Ag  Ag12  1  0.836  0.663  0.172  1.0
  Ag  Ag13  1  0.172  0.839  0.338  1.0
  Ag  Ag14  1  0.495  0.466  0.023  1.0
  Pb  Pb15  1  0.499  0.159  0.834  1.0
  Pb  Pb16  1  0.837  0.494  0.843  1.0
  Pb  Pb17  1  0.175  0.174  0.499  1.0
  Pb  Pb18  1  0.833  0.843  0.508  1.0
  Pb  Pb19  1  0.174  0.496  0.173  1.0
  Pb  Pb20  1  0.500  0.837  0.166  1.0
  O  O21  1  0.760  0.189  0.832  1.0
  O  O22  1  0.549  0.425  0.821  1.0
  O  O23  1  0.904  0.121  0.454  1.0
  O  O24  1  0.225  0.147  0.767  1.0
  O  O25  1  0.842  0.825  0.775  1.0
  O  O26  1  0.451  0.883  0.892  1.0
  O  O27  1  0.119  0.516  0.909  1.0
  O  O28  1  0.441  0.191  0.563  1.0
  O  O29  1  0.822  0.574  0.554  1.0
  O  O30  1  0.525  0.106  0.097  1.0
  O  O31  1  0.196  0.446  0.443  1.0
  O  O32  1  0.913  0.479  0.126  1.0
  O  O33  1  0.563  0.816  0.436  1.0
  O  O34  1  0.166  0.232  0.236  1.0
  O  O35  1  0.765  0.856  0.212  1.0
  O  O36  1  0.440  0.559  0.194  1.0
  O  O37  1  0.106  0.900  0.522  1.0
  O  O38  1  0.234  0.769  0.158  1.0
[/CIF]
.
The compound described by MgAg14(PbO3)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted bent 150 degrees geometry to one O(1) and one O(5) atom. There are fourteen inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted bent 150 degrees 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 2-coordinate geometry to 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 3-coordinate 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 planar 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 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 trigonal planar 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 bent 150 degrees geometry to 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), one O(6), and one O(8) atom to form edge-sharing PbO6 octahedra. 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 distorted edge-sharing PbO6 octahedra. 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 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 edge-sharing PbO6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Ag(1), one Pb(1), and one Pb(2) atom. 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 corner-sharing OAg2Pb2 tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ag(1), one Ag(9), one Pb(3), and one Pb(4) atom. 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Ag(3), one Ag(5), one Pb(2), and one Pb(4) atom. 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 distorted corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. 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 corner-sharing OAg2Pb2 tetrahedra. 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 corner-sharing OAg2Pb2 tetrahedra. In the twelfth O site, O(12) is bonded to one Ag(12), one Ag(9), one Pb(2), and one Pb(5) atom to form a mixture of edge and corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. In the fourteenth O site, O(14) is bonded in a distorted 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 a mixture of distorted edge and corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 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 corner-sharing OAg2Pb2 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 a mixture of edge and corner-sharing OAg2Pb2 tetrahedra. is represented by the CIF card [CIF]
data_MgAg14(PbO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.044
_cell_length_b   8.776
_cell_length_c   8.956
_cell_angle_alpha   73.769
_cell_angle_beta   105.927
_cell_angle_gamma   106.131
_symmetry_Int_Tables_number   1
_cell_volume   640.510
_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  0.854  0.999  0.880  1.0
  Ag  Ag1  1  0.805  0.220  0.591  1.0
  Ag  Ag2  1  0.172  0.333  0.835  1.0
  Ag  Ag3  1  0.590  0.768  0.809  1.0
  Ag  Ag4  1  0.496  0.004  0.494  1.0
  Ag  Ag5  1  0.139  0.909  0.921  1.0
  Ag  Ag6  1  0.235  0.730  0.731  1.0
  Ag  Ag7  1  0.424  0.577  0.582  1.0
  Ag  Ag8  1  0.590  0.430  0.420  1.0
  Ag  Ag9  1  0.728  0.262  0.231  1.0
  Ag  Ag10  1  0.946  0.073  0.172  1.0
  Ag  Ag11  1  0.016  0.522  0.499  1.0
  Ag  Ag12  1  0.836  0.663  0.172  1.0
  Ag  Ag13  1  0.172  0.839  0.338  1.0
  Ag  Ag14  1  0.495  0.466  0.023  1.0
  Pb  Pb15  1  0.499  0.159  0.834  1.0
  Pb  Pb16  1  0.837  0.494  0.843  1.0
  Pb  Pb17  1  0.175  0.174  0.499  1.0
  Pb  Pb18  1  0.833  0.843  0.508  1.0
  Pb  Pb19  1  0.174  0.496  0.173  1.0
  Pb  Pb20  1  0.500  0.837  0.166  1.0
  O  O21  1  0.760  0.189  0.832  1.0
  O  O22  1  0.549  0.425  0.821  1.0
  O  O23  1  0.904  0.121  0.454  1.0
  O  O24  1  0.225  0.147  0.767  1.0
  O  O25  1  0.842  0.825  0.775  1.0
  O  O26  1  0.451  0.883  0.892  1.0
  O  O27  1  0.119  0.516  0.909  1.0
  O  O28  1  0.441  0.191  0.563  1.0
  O  O29  1  0.822  0.574  0.554  1.0
  O  O30  1  0.525  0.106  0.097  1.0
  O  O31  1  0.196  0.446  0.443  1.0
  O  O32  1  0.913  0.479  0.126  1.0
  O  O33  1  0.563  0.816  0.436  1.0
  O  O34  1  0.166  0.232  0.236  1.0
  O  O35  1  0.765  0.856  0.212  1.0
  O  O36  1  0.440  0.559  0.194  1.0
  O  O37  1  0.106  0.900  0.522  1.0
  O  O38  1  0.234  0.769  0.158  1.0
[/CIF]
.