The material described by SrLaI5 crystallizes in the monoclinic P2_1/m space group. Sr(1) is bonded to one I(1), one I(4), two equivalent I(5), and three equivalent I(3) atoms to form distorted edge-sharing SrI7 pentagonal bipyramids. La(1) is bonded in a 8-coordinate geometry to one I(5), two equivalent I(1), two equivalent I(4), and three equivalent I(2) atoms. There are five inequivalent I sites. In the first I site, I(1) is bonded in a distorted T-shaped geometry to one Sr(1) and two equivalent La(1) atoms. In the second I site, I(2) is bonded in a trigonal non-coplanar geometry to three equivalent La(1) atoms. In the third I site, I(3) is bonded in a distorted T-shaped geometry to three equivalent Sr(1) atoms. In the fourth I site, I(4) is bonded in a distorted T-shaped geometry to one Sr(1) and two equivalent La(1) atoms. In the fifth I site, I(5) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one La(1) atom. is represented by the CIF card [CIF]
data_SrLaI5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.614
_cell_length_b   8.699
_cell_length_c   15.220
_cell_angle_alpha   87.224
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   610.247
_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
  Sr  Sr0  1  0.750  0.547  0.646  1.0
  Sr  Sr1  1  0.250  0.453  0.354  1.0
  La  La2  1  0.250  0.947  0.841  1.0
  La  La3  1  0.750  0.053  0.159  1.0
  I  I4  1  0.750  0.952  0.686  1.0
  I  I5  1  0.250  0.849  0.065  1.0
  I  I6  1  0.250  0.701  0.518  1.0
  I  I7  1  0.750  0.672  0.879  1.0
  I  I8  1  0.750  0.681  0.263  1.0
  I  I9  1  0.250  0.319  0.737  1.0
  I  I10  1  0.250  0.328  0.121  1.0
  I  I11  1  0.750  0.299  0.482  1.0
  I  I12  1  0.750  0.151  0.935  1.0
  I  I13  1  0.250  0.048  0.314  1.0
[/CIF]
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The material described by SrLaI5 crystallizes in the monoclinic P2_1/m space group. Sr(1) is bonded to one I(1), one I(4), two equivalent I(5), and three equivalent I(3) atoms to form distorted edge-sharing SrI7 pentagonal bipyramids. La(1) is bonded in a 8-coordinate geometry to one I(5), two equivalent I(1), two equivalent I(4), and three equivalent I(2) atoms. There are five inequivalent I sites. In the first I site, I(1) is bonded in a distorted T-shaped geometry to one Sr(1) and two equivalent La(1) atoms. In the second I site, I(2) is bonded in a trigonal non-coplanar geometry to three equivalent La(1) atoms. In the third I site, I(3) is bonded in a distorted T-shaped geometry to three equivalent Sr(1) atoms. In the fourth I site, I(4) is bonded in a distorted T-shaped geometry to one Sr(1) and two equivalent La(1) atoms. In the fifth I site, I(5) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one La(1) atom. is represented by the CIF card [CIF]
data_SrLaI5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.614
_cell_length_b   8.699
_cell_length_c   15.220
_cell_angle_alpha   87.224
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   610.247
_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
  Sr  Sr0  1  0.750  0.547  0.646  1.0
  Sr  Sr1  1  0.250  0.453  0.354  1.0
  La  La2  1  0.250  0.947  0.841  1.0
  La  La3  1  0.750  0.053  0.159  1.0
  I  I4  1  0.750  0.952  0.686  1.0
  I  I5  1  0.250  0.849  0.065  1.0
  I  I6  1  0.250  0.701  0.518  1.0
  I  I7  1  0.750  0.672  0.879  1.0
  I  I8  1  0.750  0.681  0.263  1.0
  I  I9  1  0.250  0.319  0.737  1.0
  I  I10  1  0.250  0.328  0.121  1.0
  I  I11  1  0.750  0.299  0.482  1.0
  I  I12  1  0.750  0.151  0.935  1.0
  I  I13  1  0.250  0.048  0.314  1.0
[/CIF]
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