The crystal structure described by Y3Pb3N5 crystallizes in the triclinic P-1 space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded to one N(1), one N(5), and two equivalent N(3) atoms to form distorted edge-sharing YN4 trigonal pyramids. In the second Y site, Y(2) is bonded in a 4-coordinate geometry to one N(1), one N(2), and two equivalent N(4) atoms. In the third Y site, Y(3) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(3), one N(4), and one N(5) atom. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 3-coordinate geometry to one N(1) and two equivalent N(2) atoms. In the second Pb site, Pb(2) is bonded in a distorted T-shaped geometry to one N(3) and two equivalent N(5) atoms. In the third Pb site, Pb(3) is bonded in a 3-coordinate geometry to one N(1), one N(3), and one N(4) atom. There are five inequivalent N sites. In the first N site, N(1) is bonded to one Y(1), one Y(2), one Y(3), one Pb(1), and one Pb(3) atom to form distorted NY3Pb2 trigonal bipyramids that share  a cornercorner with one N(3)Y3Pb2 trigonal bipyramid, corners with two equivalent N(4)Y3Pb trigonal pyramids,  an edgeedge with one N(4)Y3Pb trigonal pyramid, and  a faceface with one N(3)Y3Pb2 trigonal bipyramid. In the second N site, N(2) is bonded in a distorted see-saw-like geometry to one Y(2), one Y(3), and two equivalent Pb(1) atoms. In the third N site, N(3) is bonded to one Y(3), two equivalent Y(1), one Pb(2), and one Pb(3) atom to form distorted NY3Pb2 trigonal bipyramids that share  a cornercorner with one N(1)Y3Pb2 trigonal bipyramid,  an edgeedge with one N(3)Y3Pb2 trigonal bipyramid,  an edgeedge with one N(4)Y3Pb trigonal pyramid, and  a faceface with one N(1)Y3Pb2 trigonal bipyramid. In the fourth N site, N(4) is bonded to one Y(3), two equivalent Y(2), and one Pb(3) atom to form distorted NY3Pb trigonal pyramids that share corners with two equivalent N(1)Y3Pb2 trigonal bipyramids,  an edgeedge with one N(1)Y3Pb2 trigonal bipyramid,  an edgeedge with one N(3)Y3Pb2 trigonal bipyramid, and  an edgeedge with one N(4)Y3Pb trigonal pyramid. In the fifth N site, N(5) is bonded in a distorted rectangular see-saw-like geometry to one Y(1), one Y(3), and two equivalent Pb(2) atoms. is represented by the CIF file [CIF]
data_Y3Pb3N5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.442
_cell_length_b   7.004
_cell_length_c   10.337
_cell_angle_alpha   106.923
_cell_angle_beta   91.149
_cell_angle_gamma   88.080
_symmetry_Int_Tables_number   1
_cell_volume   445.918
_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
  Y  Y0  1  0.819  0.338  0.926  1.0
  Y  Y1  1  0.181  0.662  0.074  1.0
  Y  Y2  1  0.726  0.960  0.574  1.0
  Y  Y3  1  0.274  0.040  0.426  1.0
  Y  Y4  1  0.161  0.950  0.770  1.0
  Y  Y5  1  0.839  0.050  0.230  1.0
  Pb  Pb6  1  0.783  0.427  0.559  1.0
  Pb  Pb7  1  0.217  0.573  0.441  1.0
  Pb  Pb8  1  0.652  0.818  0.897  1.0
  Pb  Pb9  1  0.348  0.182  0.103  1.0
  Pb  Pb10  1  0.748  0.630  0.262  1.0
  Pb  Pb11  1  0.252  0.370  0.738  1.0
  N  N12  1  0.918  0.209  0.703  1.0
  N  N13  1  0.082  0.791  0.297  1.0
  N  N14  1  0.967  0.722  0.608  1.0
  N  N15  1  0.033  0.278  0.392  1.0
  N  N16  1  0.824  0.674  0.050  1.0
  N  N17  1  0.176  0.326  0.950  1.0
  N  N18  1  0.391  0.039  0.643  1.0
  N  N19  1  0.609  0.961  0.357  1.0
  N  N20  1  0.295  0.863  0.959  1.0
  N  N21  1  0.705  0.137  0.041  1.0
[/CIF]
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The crystal structure described by Y3Pb3N5 crystallizes in the triclinic P-1 space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded to one N(1), one N(5), and two equivalent N(3) atoms to form distorted edge-sharing YN4 trigonal pyramids. In the second Y site, Y(2) is bonded in a 4-coordinate geometry to one N(1), one N(2), and two equivalent N(4) atoms. In the third Y site, Y(3) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(3), one N(4), and one N(5) atom. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 3-coordinate geometry to one N(1) and two equivalent N(2) atoms. In the second Pb site, Pb(2) is bonded in a distorted T-shaped geometry to one N(3) and two equivalent N(5) atoms. In the third Pb site, Pb(3) is bonded in a 3-coordinate geometry to one N(1), one N(3), and one N(4) atom. There are five inequivalent N sites. In the first N site, N(1) is bonded to one Y(1), one Y(2), one Y(3), one Pb(1), and one Pb(3) atom to form distorted NY3Pb2 trigonal bipyramids that share  a cornercorner with one N(3)Y3Pb2 trigonal bipyramid, corners with two equivalent N(4)Y3Pb trigonal pyramids,  an edgeedge with one N(4)Y3Pb trigonal pyramid, and  a faceface with one N(3)Y3Pb2 trigonal bipyramid. In the second N site, N(2) is bonded in a distorted see-saw-like geometry to one Y(2), one Y(3), and two equivalent Pb(1) atoms. In the third N site, N(3) is bonded to one Y(3), two equivalent Y(1), one Pb(2), and one Pb(3) atom to form distorted NY3Pb2 trigonal bipyramids that share  a cornercorner with one N(1)Y3Pb2 trigonal bipyramid,  an edgeedge with one N(3)Y3Pb2 trigonal bipyramid,  an edgeedge with one N(4)Y3Pb trigonal pyramid, and  a faceface with one N(1)Y3Pb2 trigonal bipyramid. In the fourth N site, N(4) is bonded to one Y(3), two equivalent Y(2), and one Pb(3) atom to form distorted NY3Pb trigonal pyramids that share corners with two equivalent N(1)Y3Pb2 trigonal bipyramids,  an edgeedge with one N(1)Y3Pb2 trigonal bipyramid,  an edgeedge with one N(3)Y3Pb2 trigonal bipyramid, and  an edgeedge with one N(4)Y3Pb trigonal pyramid. In the fifth N site, N(5) is bonded in a distorted rectangular see-saw-like geometry to one Y(1), one Y(3), and two equivalent Pb(2) atoms. is represented by the CIF file [CIF]
data_Y3Pb3N5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.442
_cell_length_b   7.004
_cell_length_c   10.337
_cell_angle_alpha   106.923
_cell_angle_beta   91.149
_cell_angle_gamma   88.080
_symmetry_Int_Tables_number   1
_cell_volume   445.918
_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
  Y  Y0  1  0.819  0.338  0.926  1.0
  Y  Y1  1  0.181  0.662  0.074  1.0
  Y  Y2  1  0.726  0.960  0.574  1.0
  Y  Y3  1  0.274  0.040  0.426  1.0
  Y  Y4  1  0.161  0.950  0.770  1.0
  Y  Y5  1  0.839  0.050  0.230  1.0
  Pb  Pb6  1  0.783  0.427  0.559  1.0
  Pb  Pb7  1  0.217  0.573  0.441  1.0
  Pb  Pb8  1  0.652  0.818  0.897  1.0
  Pb  Pb9  1  0.348  0.182  0.103  1.0
  Pb  Pb10  1  0.748  0.630  0.262  1.0
  Pb  Pb11  1  0.252  0.370  0.738  1.0
  N  N12  1  0.918  0.209  0.703  1.0
  N  N13  1  0.082  0.791  0.297  1.0
  N  N14  1  0.967  0.722  0.608  1.0
  N  N15  1  0.033  0.278  0.392  1.0
  N  N16  1  0.824  0.674  0.050  1.0
  N  N17  1  0.176  0.326  0.950  1.0
  N  N18  1  0.391  0.039  0.643  1.0
  N  N19  1  0.609  0.961  0.357  1.0
  N  N20  1  0.295  0.863  0.959  1.0
  N  N21  1  0.705  0.137  0.041  1.0
[/CIF]
.