The structure described by Ba5La3I19 crystallizes in the triclinic P-1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one I(10), one I(11), one I(19), one I(3), one I(5), one I(6), and one I(8) atom to form distorted BaI7 pentagonal bipyramids that share  a cornercorner with one La(2)I6 octahedra, corners with three equivalent La(1)I6 octahedra,  a cornercorner with one Ba(4)I6 pentagonal pyramid, and  an edgeedge with one La(3)I6 octahedra. The corner-sharing octahedral tilt angles range from 32-62°. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to one I(10), one I(12), one I(16), one I(3), one I(4), one I(5), one I(7), and one I(9) atom. In the third Ba site, Ba(3) is bonded in a 6-coordinate geometry to one I(11), one I(14), one I(15), one I(18), one I(20), and one I(8) atom. In the fourth Ba site, Ba(4) is bonded to one I(12), one I(15), one I(16), one I(17), one I(19), and one I(4) atom to form distorted BaI6 pentagonal pyramids that share  a cornercorner with one La(2)I6 octahedra,  a cornercorner with one Ba(1)I7 pentagonal bipyramid,  an edgeedge with one La(1)I6 octahedra, and  an edgeedge with one La(3)I6 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fifth Ba site, Ba(5) is bonded in a 8-coordinate geometry to one I(10), one I(11), one I(13), one I(14), one I(16), one I(17), and two equivalent I(20) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded to one I(13), one I(15), one I(17), one I(5), one I(6), and one I(8) atom to form LaI6 octahedra that share corners with three equivalent Ba(1)I7 pentagonal bipyramids and  an edgeedge with one Ba(4)I6 pentagonal pyramid. In the second La site, La(2) is bonded to one I(10), one I(12), one I(14), one I(20), one I(7), and one I(9) atom to form LaI6 octahedra that share  a cornercorner with one Ba(1)I7 pentagonal bipyramid and  a cornercorner with one Ba(4)I6 pentagonal pyramid. In the third La site, La(3) is bonded to one I(1), one I(18), one I(19), one I(2), one I(3), and one I(4) atom to form LaI6 octahedra that share corners with two equivalent La(3)I6 octahedra,  an edgeedge with one Ba(1)I7 pentagonal bipyramid, and  an edgeedge with one Ba(4)I6 pentagonal pyramid. The corner-sharing octahedra are not tilted. There are twenty inequivalent I sites. In the first I site, I(1) is bonded in a linear geometry to two equivalent La(3) atoms. In the second I site, I(2) is bonded in a linear geometry to two equivalent La(3) atoms. In the third I site, I(3) is bonded in a distorted T-shaped geometry to one Ba(1), one Ba(2), and one La(3) atom. In the fourth I site, I(4) is bonded in a 3-coordinate geometry to one Ba(2), one Ba(4), and one La(3) atom. In the fifth I site, I(5) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one La(1) atom. In the sixth I site, I(6) is bonded in a bent 150 degrees geometry to one Ba(1) and one La(1) atom. In the seventh I site, I(7) is bonded in a bent 120 degrees geometry to one Ba(2) and one La(2) atom. In the eighth I site, I(8) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(3), and one La(1) atom. In the ninth I site, I(9) is bonded in a bent 150 degrees geometry to one Ba(2) and one La(2) atom. In the tenth I site, I(10) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), and one La(2) atom. In the eleventh I site, I(11) is bonded in a T-shaped geometry to one Ba(1), one Ba(3), and one Ba(5) atom. In the twelfth I site, I(12) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), and one La(2) atom. In the thirteenth I site, I(13) is bonded in a water-like geometry to one Ba(5) and one La(1) atom. In the fourteenth I site, I(14) is bonded in a 3-coordinate geometry to one Ba(3), one Ba(5), and one La(2) atom. In the fifteenth I site, I(15) is bonded in a distorted trigonal planar geometry to one Ba(3), one Ba(4), and one La(1) atom. In the sixteenth I site, I(16) is bonded in a trigonal planar geometry to one Ba(2), one Ba(4), and one Ba(5) atom. In the seventeenth I site, I(17) is bonded in a distorted trigonal non-coplanar geometry to one Ba(4), one Ba(5), and one La(1) atom. In the eighteenth I site, I(18) is bonded in a bent 150 degrees geometry to one Ba(3) and one La(3) atom. In the nineteenth I site, I(19) is bonded in a distorted T-shaped geometry to one Ba(1), one Ba(4), and one La(3) atom. In the twentieth I site, I(20) is bonded to one Ba(3), two equivalent Ba(5), and one La(2) atom to form distorted edge-sharing IBa3La trigonal pyramids. is represented by the CIF card [CIF]
data_Ba5La3I19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.050
_cell_length_b   15.318
_cell_length_c   16.014
_cell_angle_alpha   88.670
_cell_angle_beta   104.868
_cell_angle_gamma   96.868
_symmetry_Int_Tables_number   1
_cell_volume   2836.419
_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
  Ba  Ba0  1  0.639  0.294  0.837  1.0
  Ba  Ba1  1  0.899  0.140  0.654  1.0
  Ba  Ba2  1  0.714  0.653  0.789  1.0
  Ba  Ba3  1  0.825  0.190  0.262  1.0
  Ba  Ba4  1  0.653  0.413  0.430  1.0
  Ba  Ba5  1  0.347  0.587  0.570  1.0
  Ba  Ba6  1  0.175  0.810  0.738  1.0
  Ba  Ba7  1  0.286  0.347  0.211  1.0
  Ba  Ba8  1  0.101  0.860  0.346  1.0
  Ba  Ba9  1  0.361  0.706  0.163  1.0
  La  La10  1  0.167  0.468  0.822  1.0
  La  La11  1  0.334  0.176  0.489  1.0
  La  La12  1  0.255  0.005  0.012  1.0
  La  La13  1  0.745  0.995  0.988  1.0
  La  La14  1  0.666  0.824  0.511  1.0
  La  La15  1  0.833  0.532  0.178  1.0
  I  I16  1  0.500  0.000  0.000  1.0
  I  I17  1  0.000  0.000  0.000  1.0
  I  I18  1  0.700  0.073  0.796  1.0
  I  I19  1  0.182  0.029  0.807  1.0
  I  I20  1  0.943  0.316  0.812  1.0
  I  I21  1  0.351  0.337  0.849  1.0
  I  I22  1  0.699  0.027  0.480  1.0
  I  I23  1  0.248  0.508  0.033  1.0
  I  I24  1  0.178  0.196  0.611  1.0
  I  I25  1  0.598  0.239  0.605  1.0
  I  I26  1  0.552  0.464  0.703  1.0
  I  I27  1  0.112  0.132  0.326  1.0
  I  I28  1  0.107  0.460  0.623  1.0
  I  I29  1  0.473  0.205  0.339  1.0
  I  I30  1  0.998  0.626  0.798  1.0
  I  I31  1  0.865  0.273  0.467  1.0
  I  I32  1  0.350  0.632  0.794  1.0
  I  I33  1  0.679  0.798  0.936  1.0
  I  I34  1  0.232  0.799  0.965  1.0
  I  I35  1  0.323  0.382  0.451  1.0
  I  I36  1  0.677  0.618  0.549  1.0
  I  I37  1  0.768  0.201  0.035  1.0
  I  I38  1  0.321  0.202  0.064  1.0
  I  I39  1  0.650  0.368  0.206  1.0
  I  I40  1  0.135  0.727  0.533  1.0
  I  I41  1  0.002  0.374  0.202  1.0
  I  I42  1  0.527  0.795  0.661  1.0
  I  I43  1  0.893  0.540  0.377  1.0
  I  I44  1  0.888  0.868  0.674  1.0
  I  I45  1  0.448  0.536  0.297  1.0
  I  I46  1  0.402  0.761  0.395  1.0
  I  I47  1  0.822  0.804  0.389  1.0
  I  I48  1  0.752  0.492  0.967  1.0
  I  I49  1  0.301  0.973  0.520  1.0
  I  I50  1  0.649  0.663  0.151  1.0
  I  I51  1  0.057  0.684  0.188  1.0
  I  I52  1  0.818  0.971  0.193  1.0
  I  I53  1  0.300  0.927  0.204  1.0
[/CIF]
.
The structure described by Ba5La3I19 crystallizes in the triclinic P-1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one I(10), one I(11), one I(19), one I(3), one I(5), one I(6), and one I(8) atom to form distorted BaI7 pentagonal bipyramids that share  a cornercorner with one La(2)I6 octahedra, corners with three equivalent La(1)I6 octahedra,  a cornercorner with one Ba(4)I6 pentagonal pyramid, and  an edgeedge with one La(3)I6 octahedra. The corner-sharing octahedral tilt angles range from 32-62°. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to one I(10), one I(12), one I(16), one I(3), one I(4), one I(5), one I(7), and one I(9) atom. In the third Ba site, Ba(3) is bonded in a 6-coordinate geometry to one I(11), one I(14), one I(15), one I(18), one I(20), and one I(8) atom. In the fourth Ba site, Ba(4) is bonded to one I(12), one I(15), one I(16), one I(17), one I(19), and one I(4) atom to form distorted BaI6 pentagonal pyramids that share  a cornercorner with one La(2)I6 octahedra,  a cornercorner with one Ba(1)I7 pentagonal bipyramid,  an edgeedge with one La(1)I6 octahedra, and  an edgeedge with one La(3)I6 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fifth Ba site, Ba(5) is bonded in a 8-coordinate geometry to one I(10), one I(11), one I(13), one I(14), one I(16), one I(17), and two equivalent I(20) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded to one I(13), one I(15), one I(17), one I(5), one I(6), and one I(8) atom to form LaI6 octahedra that share corners with three equivalent Ba(1)I7 pentagonal bipyramids and  an edgeedge with one Ba(4)I6 pentagonal pyramid. In the second La site, La(2) is bonded to one I(10), one I(12), one I(14), one I(20), one I(7), and one I(9) atom to form LaI6 octahedra that share  a cornercorner with one Ba(1)I7 pentagonal bipyramid and  a cornercorner with one Ba(4)I6 pentagonal pyramid. In the third La site, La(3) is bonded to one I(1), one I(18), one I(19), one I(2), one I(3), and one I(4) atom to form LaI6 octahedra that share corners with two equivalent La(3)I6 octahedra,  an edgeedge with one Ba(1)I7 pentagonal bipyramid, and  an edgeedge with one Ba(4)I6 pentagonal pyramid. The corner-sharing octahedra are not tilted. There are twenty inequivalent I sites. In the first I site, I(1) is bonded in a linear geometry to two equivalent La(3) atoms. In the second I site, I(2) is bonded in a linear geometry to two equivalent La(3) atoms. In the third I site, I(3) is bonded in a distorted T-shaped geometry to one Ba(1), one Ba(2), and one La(3) atom. In the fourth I site, I(4) is bonded in a 3-coordinate geometry to one Ba(2), one Ba(4), and one La(3) atom. In the fifth I site, I(5) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(2), and one La(1) atom. In the sixth I site, I(6) is bonded in a bent 150 degrees geometry to one Ba(1) and one La(1) atom. In the seventh I site, I(7) is bonded in a bent 120 degrees geometry to one Ba(2) and one La(2) atom. In the eighth I site, I(8) is bonded in a distorted trigonal planar geometry to one Ba(1), one Ba(3), and one La(1) atom. In the ninth I site, I(9) is bonded in a bent 150 degrees geometry to one Ba(2) and one La(2) atom. In the tenth I site, I(10) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), one Ba(5), and one La(2) atom. In the eleventh I site, I(11) is bonded in a T-shaped geometry to one Ba(1), one Ba(3), and one Ba(5) atom. In the twelfth I site, I(12) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), and one La(2) atom. In the thirteenth I site, I(13) is bonded in a water-like geometry to one Ba(5) and one La(1) atom. In the fourteenth I site, I(14) is bonded in a 3-coordinate geometry to one Ba(3), one Ba(5), and one La(2) atom. In the fifteenth I site, I(15) is bonded in a distorted trigonal planar geometry to one Ba(3), one Ba(4), and one La(1) atom. In the sixteenth I site, I(16) is bonded in a trigonal planar geometry to one Ba(2), one Ba(4), and one Ba(5) atom. In the seventeenth I site, I(17) is bonded in a distorted trigonal non-coplanar geometry to one Ba(4), one Ba(5), and one La(1) atom. In the eighteenth I site, I(18) is bonded in a bent 150 degrees geometry to one Ba(3) and one La(3) atom. In the nineteenth I site, I(19) is bonded in a distorted T-shaped geometry to one Ba(1), one Ba(4), and one La(3) atom. In the twentieth I site, I(20) is bonded to one Ba(3), two equivalent Ba(5), and one La(2) atom to form distorted edge-sharing IBa3La trigonal pyramids. is represented by the CIF card [CIF]
data_Ba5La3I19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.050
_cell_length_b   15.318
_cell_length_c   16.014
_cell_angle_alpha   88.670
_cell_angle_beta   104.868
_cell_angle_gamma   96.868
_symmetry_Int_Tables_number   1
_cell_volume   2836.419
_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
  Ba  Ba0  1  0.639  0.294  0.837  1.0
  Ba  Ba1  1  0.899  0.140  0.654  1.0
  Ba  Ba2  1  0.714  0.653  0.789  1.0
  Ba  Ba3  1  0.825  0.190  0.262  1.0
  Ba  Ba4  1  0.653  0.413  0.430  1.0
  Ba  Ba5  1  0.347  0.587  0.570  1.0
  Ba  Ba6  1  0.175  0.810  0.738  1.0
  Ba  Ba7  1  0.286  0.347  0.211  1.0
  Ba  Ba8  1  0.101  0.860  0.346  1.0
  Ba  Ba9  1  0.361  0.706  0.163  1.0
  La  La10  1  0.167  0.468  0.822  1.0
  La  La11  1  0.334  0.176  0.489  1.0
  La  La12  1  0.255  0.005  0.012  1.0
  La  La13  1  0.745  0.995  0.988  1.0
  La  La14  1  0.666  0.824  0.511  1.0
  La  La15  1  0.833  0.532  0.178  1.0
  I  I16  1  0.500  0.000  0.000  1.0
  I  I17  1  0.000  0.000  0.000  1.0
  I  I18  1  0.700  0.073  0.796  1.0
  I  I19  1  0.182  0.029  0.807  1.0
  I  I20  1  0.943  0.316  0.812  1.0
  I  I21  1  0.351  0.337  0.849  1.0
  I  I22  1  0.699  0.027  0.480  1.0
  I  I23  1  0.248  0.508  0.033  1.0
  I  I24  1  0.178  0.196  0.611  1.0
  I  I25  1  0.598  0.239  0.605  1.0
  I  I26  1  0.552  0.464  0.703  1.0
  I  I27  1  0.112  0.132  0.326  1.0
  I  I28  1  0.107  0.460  0.623  1.0
  I  I29  1  0.473  0.205  0.339  1.0
  I  I30  1  0.998  0.626  0.798  1.0
  I  I31  1  0.865  0.273  0.467  1.0
  I  I32  1  0.350  0.632  0.794  1.0
  I  I33  1  0.679  0.798  0.936  1.0
  I  I34  1  0.232  0.799  0.965  1.0
  I  I35  1  0.323  0.382  0.451  1.0
  I  I36  1  0.677  0.618  0.549  1.0
  I  I37  1  0.768  0.201  0.035  1.0
  I  I38  1  0.321  0.202  0.064  1.0
  I  I39  1  0.650  0.368  0.206  1.0
  I  I40  1  0.135  0.727  0.533  1.0
  I  I41  1  0.002  0.374  0.202  1.0
  I  I42  1  0.527  0.795  0.661  1.0
  I  I43  1  0.893  0.540  0.377  1.0
  I  I44  1  0.888  0.868  0.674  1.0
  I  I45  1  0.448  0.536  0.297  1.0
  I  I46  1  0.402  0.761  0.395  1.0
  I  I47  1  0.822  0.804  0.389  1.0
  I  I48  1  0.752  0.492  0.967  1.0
  I  I49  1  0.301  0.973  0.520  1.0
  I  I50  1  0.649  0.663  0.151  1.0
  I  I51  1  0.057  0.684  0.188  1.0
  I  I52  1  0.818  0.971  0.193  1.0
  I  I53  1  0.300  0.927  0.204  1.0
[/CIF]
.