The compound described by CsNa3PbO4 crystallizes in the triclinic P-1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a distorted body-centered cubic geometry to one O(3), one O(4), one O(5), one O(7), two equivalent O(2), and two equivalent O(6) atoms. In the second Cs site, Cs(2) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(5), one O(7), one O(8), and two equivalent O(1) atoms. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(7), and two equivalent O(8) atoms to form NaO4 tetrahedra that share  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra,  a cornercorner with one Na(5)O4 tetrahedra,  a cornercorner with one Na(6)O4 tetrahedra,  a cornercorner with one Pb(2)O4 tetrahedra, corners with three equivalent Pb(1)O4 tetrahedra,  an edgeedge with one Na(1)O4 tetrahedra, and  an edgeedge with one Na(6)O4 tetrahedra. In the second Na site, Na(2) is bonded to one O(6), one O(7), and two equivalent O(5) atoms to form NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(5)O4 tetrahedra,  a cornercorner with one Na(6)O4 tetrahedra,  a cornercorner with one Pb(1)O4 tetrahedra, corners with three equivalent Pb(2)O4 tetrahedra,  an edgeedge with one Na(2)O4 tetrahedra, and  an edgeedge with one Na(5)O4 tetrahedra. In the third Na site, Na(3) is bonded to one O(3), one O(6), and two equivalent O(2) atoms to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra,  a cornercorner with one Na(6)O4 tetrahedra,  a cornercorner with one Pb(1)O4 tetrahedra,  a cornercorner with one Pb(2)O4 tetrahedra, corners with three equivalent Na(5)O4 tetrahedra,  an edgeedge with one Na(3)O4 tetrahedra, and  an edgeedge with one Pb(2)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(1), one O(3), and two equivalent O(4) atoms to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(5)O4 tetrahedra,  a cornercorner with one Pb(1)O4 tetrahedra,  a cornercorner with one Pb(2)O4 tetrahedra, corners with three equivalent Na(6)O4 tetrahedra,  an edgeedge with one Na(4)O4 tetrahedra, and  an edgeedge with one Pb(1)O4 tetrahedra. In the fifth Na site, Na(5) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra, corners with two equivalent Pb(2)O4 tetrahedra, corners with three equivalent Na(3)O4 tetrahedra,  an edgeedge with one Na(2)O4 tetrahedra, and  an edgeedge with one Pb(1)O4 tetrahedra. In the sixth Na site, Na(6) is bonded to one O(3), one O(4), one O(7), and one O(8) atom to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra, corners with two equivalent Pb(1)O4 tetrahedra, corners with three equivalent Na(4)O4 tetrahedra,  an edgeedge with one Na(1)O4 tetrahedra, and  an edgeedge with one Pb(2)O4 tetrahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form PbO4 tetrahedra that share  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra, corners with two equivalent Na(6)O4 tetrahedra, corners with three equivalent Na(1)O4 tetrahedra,  an edgeedge with one Na(4)O4 tetrahedra, and  an edgeedge with one Na(5)O4 tetrahedra. In the second Pb site, Pb(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form PbO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra, corners with two equivalent Na(5)O4 tetrahedra, corners with three equivalent Na(2)O4 tetrahedra,  an edgeedge with one Na(3)O4 tetrahedra, and  an edgeedge with one Na(6)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Na(1), one Na(2), one Na(6), and one Pb(2) atom. In the second O site, O(8) is bonded in a 4-coordinate geometry to one Cs(2), one Na(6), two equivalent Na(1), and one Pb(1) atom. In the third O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Cs(2), one Na(1), one Na(4), one Na(5), and one Pb(1) atom. In the fourth O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Na(5), two equivalent Na(3), and one Pb(2) atom. In the fifth O site, O(3) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Na(3), one Na(4), one Na(6), and one Pb(2) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one Na(6), two equivalent Na(4), and one Pb(1) atom. In the seventh O site, O(5) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Na(5), two equivalent Na(2), and one Pb(2) atom. In the eighth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Na(2), one Na(3), one Na(5), and one Pb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CsNa3PbO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.865
_cell_length_b   8.850
_cell_length_c   11.802
_cell_angle_alpha   82.598
_cell_angle_beta   76.296
_cell_angle_gamma   79.423
_symmetry_Int_Tables_number   1
_cell_volume   682.093
_cell_formula_units_Z   4
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
  Cs  Cs0  1  0.993  0.617  0.120  1.0
  Cs  Cs1  1  0.007  0.383  0.880  1.0
  Cs  Cs2  1  0.958  0.858  0.374  1.0
  Cs  Cs3  1  0.042  0.142  0.626  1.0
  Na  Na4  1  0.429  0.043  0.376  1.0
  Na  Na5  1  0.571  0.957  0.624  1.0
  Na  Na6  1  0.815  0.052  0.106  1.0
  Na  Na7  1  0.185  0.948  0.894  1.0
  Na  Na8  1  0.540  0.430  0.126  1.0
  Na  Na9  1  0.460  0.570  0.874  1.0
  Na  Na10  1  0.187  0.443  0.397  1.0
  Na  Na11  1  0.813  0.557  0.603  1.0
  Na  Na12  1  0.195  0.178  0.146  1.0
  Na  Na13  1  0.805  0.822  0.854  1.0
  Na  Na14  1  0.519  0.674  0.386  1.0
  Na  Na15  1  0.481  0.326  0.614  1.0
  Pb  Pb16  1  0.826  0.292  0.352  1.0
  Pb  Pb17  1  0.174  0.708  0.648  1.0
  Pb  Pb18  1  0.439  0.796  0.132  1.0
  Pb  Pb19  1  0.561  0.204  0.868  1.0
  O  O20  1  0.135  0.200  0.352  1.0
  O  O21  1  0.865  0.800  0.648  1.0
  O  O22  1  0.381  0.333  0.005  1.0
  O  O23  1  0.619  0.667  0.995  1.0
  O  O24  1  0.338  0.612  0.255  1.0
  O  O25  1  0.662  0.388  0.745  1.0
  O  O26  1  0.811  0.510  0.412  1.0
  O  O27  1  0.189  0.490  0.588  1.0
  O  O28  1  0.176  0.937  0.094  1.0
  O  O29  1  0.824  0.063  0.906  1.0
  O  O30  1  0.831  0.288  0.173  1.0
  O  O31  1  0.169  0.712  0.827  1.0
  O  O32  1  0.607  0.888  0.226  1.0
  O  O33  1  0.393  0.112  0.774  1.0
  O  O34  1  0.626  0.159  0.467  1.0
  O  O35  1  0.374  0.841  0.533  1.0
[/CIF]
.
The compound described by CsNa3PbO4 crystallizes in the triclinic P-1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a distorted body-centered cubic geometry to one O(3), one O(4), one O(5), one O(7), two equivalent O(2), and two equivalent O(6) atoms. In the second Cs site, Cs(2) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(5), one O(7), one O(8), and two equivalent O(1) atoms. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(7), and two equivalent O(8) atoms to form NaO4 tetrahedra that share  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra,  a cornercorner with one Na(5)O4 tetrahedra,  a cornercorner with one Na(6)O4 tetrahedra,  a cornercorner with one Pb(2)O4 tetrahedra, corners with three equivalent Pb(1)O4 tetrahedra,  an edgeedge with one Na(1)O4 tetrahedra, and  an edgeedge with one Na(6)O4 tetrahedra. In the second Na site, Na(2) is bonded to one O(6), one O(7), and two equivalent O(5) atoms to form NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(5)O4 tetrahedra,  a cornercorner with one Na(6)O4 tetrahedra,  a cornercorner with one Pb(1)O4 tetrahedra, corners with three equivalent Pb(2)O4 tetrahedra,  an edgeedge with one Na(2)O4 tetrahedra, and  an edgeedge with one Na(5)O4 tetrahedra. In the third Na site, Na(3) is bonded to one O(3), one O(6), and two equivalent O(2) atoms to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra,  a cornercorner with one Na(6)O4 tetrahedra,  a cornercorner with one Pb(1)O4 tetrahedra,  a cornercorner with one Pb(2)O4 tetrahedra, corners with three equivalent Na(5)O4 tetrahedra,  an edgeedge with one Na(3)O4 tetrahedra, and  an edgeedge with one Pb(2)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(1), one O(3), and two equivalent O(4) atoms to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(5)O4 tetrahedra,  a cornercorner with one Pb(1)O4 tetrahedra,  a cornercorner with one Pb(2)O4 tetrahedra, corners with three equivalent Na(6)O4 tetrahedra,  an edgeedge with one Na(4)O4 tetrahedra, and  an edgeedge with one Pb(1)O4 tetrahedra. In the fifth Na site, Na(5) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra, corners with two equivalent Pb(2)O4 tetrahedra, corners with three equivalent Na(3)O4 tetrahedra,  an edgeedge with one Na(2)O4 tetrahedra, and  an edgeedge with one Pb(1)O4 tetrahedra. In the sixth Na site, Na(6) is bonded to one O(3), one O(4), one O(7), and one O(8) atom to form distorted NaO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra, corners with two equivalent Pb(1)O4 tetrahedra, corners with three equivalent Na(4)O4 tetrahedra,  an edgeedge with one Na(1)O4 tetrahedra, and  an edgeedge with one Pb(2)O4 tetrahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(1), one O(4), one O(6), and one O(8) atom to form PbO4 tetrahedra that share  a cornercorner with one Na(2)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra, corners with two equivalent Na(6)O4 tetrahedra, corners with three equivalent Na(1)O4 tetrahedra,  an edgeedge with one Na(4)O4 tetrahedra, and  an edgeedge with one Na(5)O4 tetrahedra. In the second Pb site, Pb(2) is bonded to one O(2), one O(3), one O(5), and one O(7) atom to form PbO4 tetrahedra that share  a cornercorner with one Na(1)O4 tetrahedra,  a cornercorner with one Na(3)O4 tetrahedra,  a cornercorner with one Na(4)O4 tetrahedra, corners with two equivalent Na(5)O4 tetrahedra, corners with three equivalent Na(2)O4 tetrahedra,  an edgeedge with one Na(3)O4 tetrahedra, and  an edgeedge with one Na(6)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Na(1), one Na(2), one Na(6), and one Pb(2) atom. In the second O site, O(8) is bonded in a 4-coordinate geometry to one Cs(2), one Na(6), two equivalent Na(1), and one Pb(1) atom. In the third O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Cs(2), one Na(1), one Na(4), one Na(5), and one Pb(1) atom. In the fourth O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Na(5), two equivalent Na(3), and one Pb(2) atom. In the fifth O site, O(3) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Na(3), one Na(4), one Na(6), and one Pb(2) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one Na(6), two equivalent Na(4), and one Pb(1) atom. In the seventh O site, O(5) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Na(5), two equivalent Na(2), and one Pb(2) atom. In the eighth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Na(2), one Na(3), one Na(5), and one Pb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CsNa3PbO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.865
_cell_length_b   8.850
_cell_length_c   11.802
_cell_angle_alpha   82.598
_cell_angle_beta   76.296
_cell_angle_gamma   79.423
_symmetry_Int_Tables_number   1
_cell_volume   682.093
_cell_formula_units_Z   4
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
  Cs  Cs0  1  0.993  0.617  0.120  1.0
  Cs  Cs1  1  0.007  0.383  0.880  1.0
  Cs  Cs2  1  0.958  0.858  0.374  1.0
  Cs  Cs3  1  0.042  0.142  0.626  1.0
  Na  Na4  1  0.429  0.043  0.376  1.0
  Na  Na5  1  0.571  0.957  0.624  1.0
  Na  Na6  1  0.815  0.052  0.106  1.0
  Na  Na7  1  0.185  0.948  0.894  1.0
  Na  Na8  1  0.540  0.430  0.126  1.0
  Na  Na9  1  0.460  0.570  0.874  1.0
  Na  Na10  1  0.187  0.443  0.397  1.0
  Na  Na11  1  0.813  0.557  0.603  1.0
  Na  Na12  1  0.195  0.178  0.146  1.0
  Na  Na13  1  0.805  0.822  0.854  1.0
  Na  Na14  1  0.519  0.674  0.386  1.0
  Na  Na15  1  0.481  0.326  0.614  1.0
  Pb  Pb16  1  0.826  0.292  0.352  1.0
  Pb  Pb17  1  0.174  0.708  0.648  1.0
  Pb  Pb18  1  0.439  0.796  0.132  1.0
  Pb  Pb19  1  0.561  0.204  0.868  1.0
  O  O20  1  0.135  0.200  0.352  1.0
  O  O21  1  0.865  0.800  0.648  1.0
  O  O22  1  0.381  0.333  0.005  1.0
  O  O23  1  0.619  0.667  0.995  1.0
  O  O24  1  0.338  0.612  0.255  1.0
  O  O25  1  0.662  0.388  0.745  1.0
  O  O26  1  0.811  0.510  0.412  1.0
  O  O27  1  0.189  0.490  0.588  1.0
  O  O28  1  0.176  0.937  0.094  1.0
  O  O29  1  0.824  0.063  0.906  1.0
  O  O30  1  0.831  0.288  0.173  1.0
  O  O31  1  0.169  0.712  0.827  1.0
  O  O32  1  0.607  0.888  0.226  1.0
  O  O33  1  0.393  0.112  0.774  1.0
  O  O34  1  0.626  0.159  0.467  1.0
  O  O35  1  0.374  0.841  0.533  1.0
[/CIF]
.