The crystal structure described by Sm4IrCd crystallizes in the cubic F-43m space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 3-coordinate geometry to three equivalent Ir(1) and three equivalent Cd(1) atoms. In the second Sm site, Sm(2) is bonded in a distorted bent 150 degrees geometry to two equivalent Ir(1) and two equivalent Cd(1) atoms. In the third Sm site, Sm(3) is bonded in a 4-coordinate geometry to two equivalent Ir(1) and two equivalent Cd(1) atoms. Ir(1) is bonded in a 6-coordinate geometry to three equivalent Sm(1), three equivalent Sm(2), and three equivalent Sm(3) atoms. Cd(1) is bonded to three equivalent Sm(1), three equivalent Sm(2), three equivalent Sm(3), and three equivalent Cd(1) atoms to form a mixture of corner and face-sharing CdSm9Cd3 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm4CdIr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.792
_cell_length_b   9.792
_cell_length_c   9.792
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   663.972
_cell_formula_units_Z   4
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  0.598  0.598  0.598  1.0
  Sm  Sm1  1  0.598  0.598  0.205  1.0
  Sm  Sm2  1  0.598  0.205  0.598  1.0
  Sm  Sm3  1  0.205  0.598  0.598  1.0
  Sm  Sm4  1  0.059  0.441  0.441  1.0
  Sm  Sm5  1  0.441  0.059  0.059  1.0
  Sm  Sm6  1  0.441  0.059  0.441  1.0
  Sm  Sm7  1  0.059  0.441  0.059  1.0
  Sm  Sm8  1  0.441  0.441  0.059  1.0
  Sm  Sm9  1  0.059  0.059  0.441  1.0
  Sm  Sm10  1  0.189  0.811  0.811  1.0
  Sm  Sm11  1  0.811  0.189  0.189  1.0
  Sm  Sm12  1  0.811  0.189  0.811  1.0
  Sm  Sm13  1  0.189  0.811  0.189  1.0
  Sm  Sm14  1  0.811  0.811  0.189  1.0
  Sm  Sm15  1  0.189  0.189  0.811  1.0
  Cd  Cd16  1  0.829  0.829  0.829  1.0
  Cd  Cd17  1  0.829  0.830  0.512  1.0
  Cd  Cd18  1  0.830  0.512  0.829  1.0
  Cd  Cd19  1  0.512  0.829  0.829  1.0
  Ir  Ir20  1  0.391  0.391  0.391  1.0
  Ir  Ir21  1  0.391  0.391  0.826  1.0
  Ir  Ir22  1  0.391  0.826  0.391  1.0
  Ir  Ir23  1  0.826  0.391  0.391  1.0
[/CIF]
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The crystal structure described by Sm4IrCd crystallizes in the cubic F-43m space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 3-coordinate geometry to three equivalent Ir(1) and three equivalent Cd(1) atoms. In the second Sm site, Sm(2) is bonded in a distorted bent 150 degrees geometry to two equivalent Ir(1) and two equivalent Cd(1) atoms. In the third Sm site, Sm(3) is bonded in a 4-coordinate geometry to two equivalent Ir(1) and two equivalent Cd(1) atoms. Ir(1) is bonded in a 6-coordinate geometry to three equivalent Sm(1), three equivalent Sm(2), and three equivalent Sm(3) atoms. Cd(1) is bonded to three equivalent Sm(1), three equivalent Sm(2), three equivalent Sm(3), and three equivalent Cd(1) atoms to form a mixture of corner and face-sharing CdSm9Cd3 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm4CdIr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.792
_cell_length_b   9.792
_cell_length_c   9.792
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   663.972
_cell_formula_units_Z   4
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  0.598  0.598  0.598  1.0
  Sm  Sm1  1  0.598  0.598  0.205  1.0
  Sm  Sm2  1  0.598  0.205  0.598  1.0
  Sm  Sm3  1  0.205  0.598  0.598  1.0
  Sm  Sm4  1  0.059  0.441  0.441  1.0
  Sm  Sm5  1  0.441  0.059  0.059  1.0
  Sm  Sm6  1  0.441  0.059  0.441  1.0
  Sm  Sm7  1  0.059  0.441  0.059  1.0
  Sm  Sm8  1  0.441  0.441  0.059  1.0
  Sm  Sm9  1  0.059  0.059  0.441  1.0
  Sm  Sm10  1  0.189  0.811  0.811  1.0
  Sm  Sm11  1  0.811  0.189  0.189  1.0
  Sm  Sm12  1  0.811  0.189  0.811  1.0
  Sm  Sm13  1  0.189  0.811  0.189  1.0
  Sm  Sm14  1  0.811  0.811  0.189  1.0
  Sm  Sm15  1  0.189  0.189  0.811  1.0
  Cd  Cd16  1  0.829  0.829  0.829  1.0
  Cd  Cd17  1  0.829  0.830  0.512  1.0
  Cd  Cd18  1  0.830  0.512  0.829  1.0
  Cd  Cd19  1  0.512  0.829  0.829  1.0
  Ir  Ir20  1  0.391  0.391  0.391  1.0
  Ir  Ir21  1  0.391  0.391  0.826  1.0
  Ir  Ir22  1  0.391  0.826  0.391  1.0
  Ir  Ir23  1  0.826  0.391  0.391  1.0
[/CIF]
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