The crystal structure described by Pb5F8 crystallizes in the monoclinic Cm space group. There are ten inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 7-coordinate geometry to one F(12), one F(2), one F(7), two equivalent F(16), and two equivalent F(6) atoms. In the second Pb site, Pb(2) is bonded in a 4-coordinate geometry to two equivalent F(1) and two equivalent F(7) atoms. In the third Pb site, Pb(3) is bonded in a 6-coordinate geometry to one F(1), one F(14), one F(4), one F(9), and two equivalent F(11) atoms. In the fourth Pb site, Pb(4) is bonded in a 7-coordinate geometry to one F(13), one F(16), one F(5), two equivalent F(2), and two equivalent F(4) atoms. In the fifth Pb site, Pb(5) is bonded in a 7-coordinate geometry to one F(10), one F(15), one F(5), two equivalent F(14), and two equivalent F(3) atoms. In the sixth Pb site, Pb(6) is bonded in a 4-coordinate geometry to one F(13), one F(16), one F(3), and one F(8) atom. In the seventh Pb site, Pb(7) is bonded in a 7-coordinate geometry to one F(14), one F(6), one F(9), two equivalent F(10), and two equivalent F(12) atoms. In the eighth Pb site, Pb(8) is bonded in a 6-coordinate geometry to one F(2), one F(3), one F(7), one F(8), and two equivalent F(5) atoms. In the ninth Pb site, Pb(9) is bonded in a 6-coordinate geometry to one F(11), one F(12), two equivalent F(8), and two equivalent F(9) atoms. In the tenth Pb site, Pb(10) is bonded in a 4-coordinate geometry to one F(1), one F(10), one F(15), and one F(4) atom. There are sixteen inequivalent F sites. In the first F site, F(1) is bonded to one Pb(10), one Pb(3), and two equivalent Pb(2) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the second F site, F(2) is bonded to one Pb(1), one Pb(8), and two equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the third F site, F(3) is bonded to one Pb(6), one Pb(8), and two equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fourth F site, F(4) is bonded to one Pb(10), one Pb(3), and two equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fifth F site, F(5) is bonded to one Pb(4), one Pb(5), and two equivalent Pb(8) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the sixth F site, F(6) is bonded in a trigonal non-coplanar geometry to one Pb(7) and two equivalent Pb(1) atoms. In the seventh F site, F(7) is bonded to one Pb(1), one Pb(8), and two equivalent Pb(2) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the eighth F site, F(8) is bonded to one Pb(6), one Pb(8), and two equivalent Pb(9) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the ninth F site, F(9) is bonded to one Pb(3), one Pb(7), and two equivalent Pb(9) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the tenth F site, F(10) is bonded to one Pb(10), one Pb(5), and two equivalent Pb(7) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the eleventh F site, F(11) is bonded in a distorted trigonal non-coplanar geometry to one Pb(9) and two equivalent Pb(3) atoms. In the twelfth F site, F(12) is bonded to one Pb(1), one Pb(9), and two equivalent Pb(7) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the thirteenth F site, F(13) is bonded in a distorted water-like geometry to one Pb(4) and one Pb(6) atom. In the fourteenth F site, F(14) is bonded to one Pb(3), one Pb(7), and two equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fifteenth F site, F(15) is bonded in a bent 120 degrees geometry to one Pb(10) and one Pb(5) atom. In the sixteenth F site, F(16) is bonded to one Pb(4), one Pb(6), and two equivalent Pb(1) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. is represented by the CIF file [CIF]
data_Pb5F8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.999
_cell_length_b   10.999
_cell_length_c   12.091
_cell_angle_alpha   73.587
_cell_angle_beta   73.587
_cell_angle_gamma   21.913
_symmetry_Int_Tables_number   1
_cell_volume   522.834
_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
  Pb  Pb0  1  0.997  0.997  0.997  1.0
  Pb  Pb1  1  0.603  0.603  0.200  1.0
  Pb  Pb2  1  0.202  0.202  0.409  1.0
  Pb  Pb3  1  0.598  0.598  0.701  1.0
  Pb  Pb4  1  0.802  0.802  0.609  1.0
  Pb  Pb5  1  0.402  0.402  0.801  1.0
  Pb  Pb6  1  0.401  0.401  0.294  1.0
  Pb  Pb7  1  0.196  0.196  0.919  1.0
  Pb  Pb8  1  0.788  0.788  0.102  1.0
  Pb  Pb9  1  0.003  0.003  0.479  1.0
  F  F10  1  0.118  0.118  0.314  1.0
  F  F11  1  0.101  0.101  0.826  1.0
  F  F12  1  0.302  0.302  0.732  1.0
  F  F13  1  0.098  0.098  0.577  1.0
  F  F14  1  0.700  0.700  0.775  1.0
  F  F15  1  0.494  0.494  0.109  1.0
  F  F16  1  0.086  0.086  0.080  1.0
  F  F17  1  0.298  0.298  0.983  1.0
  F  F18  1  0.296  0.296  0.232  1.0
  F  F19  1  0.903  0.903  0.413  1.0
  F  F20  1  0.706  0.706  0.295  1.0
  F  F21  1  0.898  0.898  0.174  1.0
  F  F22  1  0.499  0.499  0.636  1.0
  F  F23  1  0.302  0.302  0.481  1.0
  F  F24  1  0.902  0.902  0.645  1.0
  F  F25  1  0.504  0.504  0.866  1.0
[/CIF]
.
The crystal structure described by Pb5F8 crystallizes in the monoclinic Cm space group. There are ten inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 7-coordinate geometry to one F(12), one F(2), one F(7), two equivalent F(16), and two equivalent F(6) atoms. In the second Pb site, Pb(2) is bonded in a 4-coordinate geometry to two equivalent F(1) and two equivalent F(7) atoms. In the third Pb site, Pb(3) is bonded in a 6-coordinate geometry to one F(1), one F(14), one F(4), one F(9), and two equivalent F(11) atoms. In the fourth Pb site, Pb(4) is bonded in a 7-coordinate geometry to one F(13), one F(16), one F(5), two equivalent F(2), and two equivalent F(4) atoms. In the fifth Pb site, Pb(5) is bonded in a 7-coordinate geometry to one F(10), one F(15), one F(5), two equivalent F(14), and two equivalent F(3) atoms. In the sixth Pb site, Pb(6) is bonded in a 4-coordinate geometry to one F(13), one F(16), one F(3), and one F(8) atom. In the seventh Pb site, Pb(7) is bonded in a 7-coordinate geometry to one F(14), one F(6), one F(9), two equivalent F(10), and two equivalent F(12) atoms. In the eighth Pb site, Pb(8) is bonded in a 6-coordinate geometry to one F(2), one F(3), one F(7), one F(8), and two equivalent F(5) atoms. In the ninth Pb site, Pb(9) is bonded in a 6-coordinate geometry to one F(11), one F(12), two equivalent F(8), and two equivalent F(9) atoms. In the tenth Pb site, Pb(10) is bonded in a 4-coordinate geometry to one F(1), one F(10), one F(15), and one F(4) atom. There are sixteen inequivalent F sites. In the first F site, F(1) is bonded to one Pb(10), one Pb(3), and two equivalent Pb(2) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the second F site, F(2) is bonded to one Pb(1), one Pb(8), and two equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the third F site, F(3) is bonded to one Pb(6), one Pb(8), and two equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fourth F site, F(4) is bonded to one Pb(10), one Pb(3), and two equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fifth F site, F(5) is bonded to one Pb(4), one Pb(5), and two equivalent Pb(8) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the sixth F site, F(6) is bonded in a trigonal non-coplanar geometry to one Pb(7) and two equivalent Pb(1) atoms. In the seventh F site, F(7) is bonded to one Pb(1), one Pb(8), and two equivalent Pb(2) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the eighth F site, F(8) is bonded to one Pb(6), one Pb(8), and two equivalent Pb(9) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the ninth F site, F(9) is bonded to one Pb(3), one Pb(7), and two equivalent Pb(9) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the tenth F site, F(10) is bonded to one Pb(10), one Pb(5), and two equivalent Pb(7) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the eleventh F site, F(11) is bonded in a distorted trigonal non-coplanar geometry to one Pb(9) and two equivalent Pb(3) atoms. In the twelfth F site, F(12) is bonded to one Pb(1), one Pb(9), and two equivalent Pb(7) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the thirteenth F site, F(13) is bonded in a distorted water-like geometry to one Pb(4) and one Pb(6) atom. In the fourteenth F site, F(14) is bonded to one Pb(3), one Pb(7), and two equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fifteenth F site, F(15) is bonded in a bent 120 degrees geometry to one Pb(10) and one Pb(5) atom. In the sixteenth F site, F(16) is bonded to one Pb(4), one Pb(6), and two equivalent Pb(1) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. is represented by the CIF file [CIF]
data_Pb5F8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.999
_cell_length_b   10.999
_cell_length_c   12.091
_cell_angle_alpha   73.587
_cell_angle_beta   73.587
_cell_angle_gamma   21.913
_symmetry_Int_Tables_number   1
_cell_volume   522.834
_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
  Pb  Pb0  1  0.997  0.997  0.997  1.0
  Pb  Pb1  1  0.603  0.603  0.200  1.0
  Pb  Pb2  1  0.202  0.202  0.409  1.0
  Pb  Pb3  1  0.598  0.598  0.701  1.0
  Pb  Pb4  1  0.802  0.802  0.609  1.0
  Pb  Pb5  1  0.402  0.402  0.801  1.0
  Pb  Pb6  1  0.401  0.401  0.294  1.0
  Pb  Pb7  1  0.196  0.196  0.919  1.0
  Pb  Pb8  1  0.788  0.788  0.102  1.0
  Pb  Pb9  1  0.003  0.003  0.479  1.0
  F  F10  1  0.118  0.118  0.314  1.0
  F  F11  1  0.101  0.101  0.826  1.0
  F  F12  1  0.302  0.302  0.732  1.0
  F  F13  1  0.098  0.098  0.577  1.0
  F  F14  1  0.700  0.700  0.775  1.0
  F  F15  1  0.494  0.494  0.109  1.0
  F  F16  1  0.086  0.086  0.080  1.0
  F  F17  1  0.298  0.298  0.983  1.0
  F  F18  1  0.296  0.296  0.232  1.0
  F  F19  1  0.903  0.903  0.413  1.0
  F  F20  1  0.706  0.706  0.295  1.0
  F  F21  1  0.898  0.898  0.174  1.0
  F  F22  1  0.499  0.499  0.636  1.0
  F  F23  1  0.302  0.302  0.481  1.0
  F  F24  1  0.902  0.902  0.645  1.0
  F  F25  1  0.504  0.504  0.866  1.0
[/CIF]
.