The compound described by Na3Be3Pb2F13 crystallizes in the monoclinic P2_1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one F(10), one F(11), one F(12), one F(7), one F(8), and one F(9) atom. In the second Na site, Na(2) is bonded in a 9-coordinate geometry to one F(10), one F(11), one F(12), one F(4), one F(5), one F(6), one F(7), one F(8), and one F(9) atom. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one F(13), one F(2), one F(3), one F(5), one F(6), and one F(9) atom. There are three inequivalent Be sites. In the first Be site, Be(1) is bonded to one F(1), one F(10), one F(4), and one F(7) atom to form BeF4 tetrahedra that share corners with three equivalent Pb(1)F6 pentagonal pyramids. In the second Be site, Be(2) is bonded in a tetrahedral geometry to one F(11), one F(2), one F(5), and one F(8) atom. In the third Be site, Be(3) is bonded to one F(12), one F(3), one F(6), and one F(9) atom to form BeF4 tetrahedra that share  an edgeedge with one Pb(1)F6 pentagonal pyramid. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one F(1), one F(13), one F(3), one F(4), one F(6), and one F(7) atom to form distorted PbF6 pentagonal pyramids that share corners with three equivalent Be(1)F4 tetrahedra and  an edgeedge with one Be(3)F4 tetrahedra. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to one F(1), one F(12), one F(13), one F(2), one F(4), one F(5), and one F(8) atom. There are thirteen inequivalent F sites. In the first F site, F(1) is bonded in a distorted single-bond geometry to one Be(1), one Pb(1), and one Pb(2) atom. In the second F site, F(2) is bonded in a distorted single-bond geometry to one Na(3), one Be(2), and one Pb(2) atom. In the third F site, F(3) is bonded in a 1-coordinate geometry to one Na(3), one Be(3), and one Pb(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one Na(2), one Be(1), one Pb(1), and one Pb(2) atom. In the fifth F site, F(5) is bonded in a distorted single-bond geometry to one Na(2), one Na(3), one Be(2), and one Pb(2) atom. In the sixth F site, F(6) is bonded in a distorted single-bond geometry to one Na(2), one Na(3), one Be(3), and one Pb(1) atom. In the seventh F site, F(7) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), one Be(1), and one Pb(1) atom. In the eighth F site, F(8) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), one Be(2), and one Pb(2) atom. In the ninth F site, F(9) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Na(3), and one Be(3) atom. In the tenth F site, F(10) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), and one Be(1) atom. In the eleventh F site, F(11) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), and one Be(2) atom. In the twelfth F site, F(12) is bonded in a 1-coordinate geometry to one Na(1), one Na(2), one Be(3), and one Pb(2) atom. In the thirteenth F site, F(13) is bonded in a trigonal planar geometry to one Na(3), one Pb(1), and one Pb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3Be3Pb2F13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.150
_cell_length_b   9.557
_cell_length_c   9.647
_cell_angle_alpha   60.451
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   573.456
_cell_formula_units_Z   2
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
  Na  Na0  1  0.494  0.338  0.323  1.0
  Na  Na1  1  0.994  0.662  0.677  1.0
  Na  Na2  1  0.507  0.660  0.677  1.0
  Na  Na3  1  0.007  0.340  0.323  1.0
  Na  Na4  1  0.759  0.741  0.003  1.0
  Na  Na5  1  0.259  0.259  0.997  1.0
  Be  Be6  1  0.751  0.027  0.595  1.0
  Be  Be7  1  0.751  0.593  0.375  1.0
  Be  Be8  1  0.753  0.374  0.030  1.0
  Be  Be9  1  0.251  0.973  0.405  1.0
  Be  Be10  1  0.251  0.407  0.625  1.0
  Be  Be11  1  0.253  0.626  0.970  1.0
  Pb  Pb12  1  0.753  0.992  0.240  1.0
  Pb  Pb13  1  0.754  0.251  0.764  1.0
  Pb  Pb14  1  0.253  0.008  0.760  1.0
  Pb  Pb15  1  0.254  0.749  0.236  1.0
  F  F16  1  0.576  0.081  0.659  1.0
  F  F17  1  0.578  0.662  0.259  1.0
  F  F18  1  0.579  0.255  0.078  1.0
  F  F19  1  0.076  0.919  0.341  1.0
  F  F20  1  0.078  0.338  0.741  1.0
  F  F21  1  0.079  0.745  0.922  1.0
  F  F22  1  0.423  0.911  0.348  1.0
  F  F23  1  0.425  0.346  0.738  1.0
  F  F24  1  0.428  0.743  0.917  1.0
  F  F25  1  0.923  0.089  0.652  1.0
  F  F26  1  0.925  0.654  0.262  1.0
  F  F27  1  0.928  0.257  0.083  1.0
  F  F28  1  0.748  0.126  0.409  1.0
  F  F29  1  0.747  0.406  0.463  1.0
  F  F30  1  0.748  0.467  0.123  1.0
  F  F31  1  0.248  0.874  0.591  1.0
  F  F32  1  0.247  0.594  0.537  1.0
  F  F33  1  0.248  0.533  0.877  1.0
  F  F34  1  0.753  0.844  0.662  1.0
  F  F35  1  0.752  0.658  0.495  1.0
  F  F36  1  0.754  0.486  0.846  1.0
  F  F37  1  0.253  0.156  0.338  1.0
  F  F38  1  0.252  0.342  0.505  1.0
  F  F39  1  0.254  0.514  0.154  1.0
  F  F40  1  0.814  0.990  0.993  1.0
  F  F41  1  0.314  0.010  0.007  1.0
[/CIF]
.
The compound described by Na3Be3Pb2F13 crystallizes in the monoclinic P2_1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one F(10), one F(11), one F(12), one F(7), one F(8), and one F(9) atom. In the second Na site, Na(2) is bonded in a 9-coordinate geometry to one F(10), one F(11), one F(12), one F(4), one F(5), one F(6), one F(7), one F(8), and one F(9) atom. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one F(13), one F(2), one F(3), one F(5), one F(6), and one F(9) atom. There are three inequivalent Be sites. In the first Be site, Be(1) is bonded to one F(1), one F(10), one F(4), and one F(7) atom to form BeF4 tetrahedra that share corners with three equivalent Pb(1)F6 pentagonal pyramids. In the second Be site, Be(2) is bonded in a tetrahedral geometry to one F(11), one F(2), one F(5), and one F(8) atom. In the third Be site, Be(3) is bonded to one F(12), one F(3), one F(6), and one F(9) atom to form BeF4 tetrahedra that share  an edgeedge with one Pb(1)F6 pentagonal pyramid. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one F(1), one F(13), one F(3), one F(4), one F(6), and one F(7) atom to form distorted PbF6 pentagonal pyramids that share corners with three equivalent Be(1)F4 tetrahedra and  an edgeedge with one Be(3)F4 tetrahedra. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to one F(1), one F(12), one F(13), one F(2), one F(4), one F(5), and one F(8) atom. There are thirteen inequivalent F sites. In the first F site, F(1) is bonded in a distorted single-bond geometry to one Be(1), one Pb(1), and one Pb(2) atom. In the second F site, F(2) is bonded in a distorted single-bond geometry to one Na(3), one Be(2), and one Pb(2) atom. In the third F site, F(3) is bonded in a 1-coordinate geometry to one Na(3), one Be(3), and one Pb(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one Na(2), one Be(1), one Pb(1), and one Pb(2) atom. In the fifth F site, F(5) is bonded in a distorted single-bond geometry to one Na(2), one Na(3), one Be(2), and one Pb(2) atom. In the sixth F site, F(6) is bonded in a distorted single-bond geometry to one Na(2), one Na(3), one Be(3), and one Pb(1) atom. In the seventh F site, F(7) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), one Be(1), and one Pb(1) atom. In the eighth F site, F(8) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), one Be(2), and one Pb(2) atom. In the ninth F site, F(9) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one Na(3), and one Be(3) atom. In the tenth F site, F(10) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), and one Be(1) atom. In the eleventh F site, F(11) is bonded in a distorted single-bond geometry to one Na(1), one Na(2), and one Be(2) atom. In the twelfth F site, F(12) is bonded in a 1-coordinate geometry to one Na(1), one Na(2), one Be(3), and one Pb(2) atom. In the thirteenth F site, F(13) is bonded in a trigonal planar geometry to one Na(3), one Pb(1), and one Pb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3Be3Pb2F13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.150
_cell_length_b   9.557
_cell_length_c   9.647
_cell_angle_alpha   60.451
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   573.456
_cell_formula_units_Z   2
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
  Na  Na0  1  0.494  0.338  0.323  1.0
  Na  Na1  1  0.994  0.662  0.677  1.0
  Na  Na2  1  0.507  0.660  0.677  1.0
  Na  Na3  1  0.007  0.340  0.323  1.0
  Na  Na4  1  0.759  0.741  0.003  1.0
  Na  Na5  1  0.259  0.259  0.997  1.0
  Be  Be6  1  0.751  0.027  0.595  1.0
  Be  Be7  1  0.751  0.593  0.375  1.0
  Be  Be8  1  0.753  0.374  0.030  1.0
  Be  Be9  1  0.251  0.973  0.405  1.0
  Be  Be10  1  0.251  0.407  0.625  1.0
  Be  Be11  1  0.253  0.626  0.970  1.0
  Pb  Pb12  1  0.753  0.992  0.240  1.0
  Pb  Pb13  1  0.754  0.251  0.764  1.0
  Pb  Pb14  1  0.253  0.008  0.760  1.0
  Pb  Pb15  1  0.254  0.749  0.236  1.0
  F  F16  1  0.576  0.081  0.659  1.0
  F  F17  1  0.578  0.662  0.259  1.0
  F  F18  1  0.579  0.255  0.078  1.0
  F  F19  1  0.076  0.919  0.341  1.0
  F  F20  1  0.078  0.338  0.741  1.0
  F  F21  1  0.079  0.745  0.922  1.0
  F  F22  1  0.423  0.911  0.348  1.0
  F  F23  1  0.425  0.346  0.738  1.0
  F  F24  1  0.428  0.743  0.917  1.0
  F  F25  1  0.923  0.089  0.652  1.0
  F  F26  1  0.925  0.654  0.262  1.0
  F  F27  1  0.928  0.257  0.083  1.0
  F  F28  1  0.748  0.126  0.409  1.0
  F  F29  1  0.747  0.406  0.463  1.0
  F  F30  1  0.748  0.467  0.123  1.0
  F  F31  1  0.248  0.874  0.591  1.0
  F  F32  1  0.247  0.594  0.537  1.0
  F  F33  1  0.248  0.533  0.877  1.0
  F  F34  1  0.753  0.844  0.662  1.0
  F  F35  1  0.752  0.658  0.495  1.0
  F  F36  1  0.754  0.486  0.846  1.0
  F  F37  1  0.253  0.156  0.338  1.0
  F  F38  1  0.252  0.342  0.505  1.0
  F  F39  1  0.254  0.514  0.154  1.0
  F  F40  1  0.814  0.990  0.993  1.0
  F  F41  1  0.314  0.010  0.007  1.0
[/CIF]
.