The crystal structure described by Sm5Ir2 crystallizes in the monoclinic C2/c space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 2-coordinate geometry to three equivalent Ir(1) atoms. In the second Sm site, Sm(3) is bonded to four equivalent Ir(1) atoms to form distorted edge-sharing SmIr4 tetrahedra. In the third Sm site, Sm(2) is bonded in a 3-coordinate geometry to three equivalent Ir(1) atoms. Ir(1) is bonded in a 8-coordinate geometry to two equivalent Sm(3), three equivalent Sm(1), and three equivalent Sm(2) atoms. is represented by the CIF file [CIF]
data_Sm5Ir2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.643
_cell_length_b   7.222
_cell_length_c   8.794
_cell_angle_alpha   96.058
_cell_angle_beta   112.192
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   388.117
_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
  Sm  Sm0  1  0.977  0.918  0.185  1.0
  Sm  Sm1  1  0.792  0.582  0.815  1.0
  Sm  Sm2  1  0.023  0.082  0.815  1.0
  Sm  Sm3  1  0.208  0.418  0.185  1.0
  Sm  Sm4  1  0.652  0.818  0.437  1.0
  Sm  Sm5  1  0.215  0.682  0.563  1.0
  Sm  Sm6  1  0.348  0.182  0.563  1.0
  Sm  Sm7  1  0.785  0.318  0.437  1.0
  Sm  Sm8  1  0.433  0.750  0.000  1.0
  Sm  Sm9  1  0.567  0.250  0.000  1.0
  Ir  Ir10  1  0.825  0.573  0.222  1.0
  Ir  Ir11  1  0.604  0.927  0.778  1.0
  Ir  Ir12  1  0.175  0.427  0.778  1.0
  Ir  Ir13  1  0.396  0.073  0.222  1.0
[/CIF]
.
The crystal structure described by Sm5Ir2 crystallizes in the monoclinic C2/c space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 2-coordinate geometry to three equivalent Ir(1) atoms. In the second Sm site, Sm(3) is bonded to four equivalent Ir(1) atoms to form distorted edge-sharing SmIr4 tetrahedra. In the third Sm site, Sm(2) is bonded in a 3-coordinate geometry to three equivalent Ir(1) atoms. Ir(1) is bonded in a 8-coordinate geometry to two equivalent Sm(3), three equivalent Sm(1), and three equivalent Sm(2) atoms. is represented by the CIF file [CIF]
data_Sm5Ir2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.643
_cell_length_b   7.222
_cell_length_c   8.794
_cell_angle_alpha   96.058
_cell_angle_beta   112.192
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   388.117
_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
  Sm  Sm0  1  0.977  0.918  0.185  1.0
  Sm  Sm1  1  0.792  0.582  0.815  1.0
  Sm  Sm2  1  0.023  0.082  0.815  1.0
  Sm  Sm3  1  0.208  0.418  0.185  1.0
  Sm  Sm4  1  0.652  0.818  0.437  1.0
  Sm  Sm5  1  0.215  0.682  0.563  1.0
  Sm  Sm6  1  0.348  0.182  0.563  1.0
  Sm  Sm7  1  0.785  0.318  0.437  1.0
  Sm  Sm8  1  0.433  0.750  0.000  1.0
  Sm  Sm9  1  0.567  0.250  0.000  1.0
  Ir  Ir10  1  0.825  0.573  0.222  1.0
  Ir  Ir11  1  0.604  0.927  0.778  1.0
  Ir  Ir12  1  0.175  0.427  0.778  1.0
  Ir  Ir13  1  0.396  0.073  0.222  1.0
[/CIF]
.