The structure described by Er3(FeAl2)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Er sites. In the first Er site, Er(1) is bonded in a 16-coordinate geometry to one Er(3), three equivalent Er(2), one Fe(1), one Fe(3), two equivalent Fe(2), one Al(4), two equivalent Al(1), two equivalent Al(5), and three equivalent Al(2) atoms. In the second Er site, Er(2) is bonded in a 16-coordinate geometry to one Er(2), three equivalent Er(1), one Fe(2), two equivalent Fe(1), two equivalent Fe(3), one Al(1), one Al(5), two equivalent Al(4), and three equivalent Al(2) atoms. In the third Er site, Er(3) is bonded in a 16-coordinate geometry to one Er(1), three equivalent Er(3), three equivalent Fe(2), three equivalent Al(1), three equivalent Al(3), and three equivalent Al(5) atoms. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Er(1), four equivalent Er(2), two equivalent Fe(3), two equivalent Al(2), and two equivalent Al(4) atoms to form FeEr6Al4Fe2 cuboctahedra that share corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, edges with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Er6Al6 cuboctahedra, faces with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, faces with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Er6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Er6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Er6Al3Fe3 cuboctahedra. In the second Fe site, Fe(2) is bonded to one Er(2), two equivalent Er(1), three equivalent Er(3), one Al(2), one Al(3), two equivalent Al(1), and two equivalent Al(5) atoms to form FeEr6Al6 cuboctahedra that share  a cornercorner with one Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with five equivalent Fe(2)Er6Al6 cuboctahedra, edges with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Er6Al6 cuboctahedra,  a faceface with one Fe(3)Er6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Er6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with five equivalent Al(1)Er6Al4Fe2 cuboctahedra, and faces with five equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Er(1), four equivalent Er(2), two equivalent Fe(1), two equivalent Al(2), and two equivalent Al(4) atoms to form FeEr6Al4Fe2 cuboctahedra that share corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Er6Al6 cuboctahedra, faces with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Er6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Er6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Er6Al3Fe3 cuboctahedra. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded to one Er(2), two equivalent Er(1), three equivalent Er(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(5) atoms to form distorted AlEr6Al4Fe2 cuboctahedra that share  a cornercorner with one Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with two equivalent Al(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with five equivalent Al(1)Er6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Er6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Er6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Er6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Er6Al6 cuboctahedra, and faces with five equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the second Al site, Al(2) is bonded to three equivalent Er(1), three equivalent Er(2), one Fe(1), one Fe(2), one Fe(3), one Al(1), one Al(4), and one Al(5) atom to form distorted AlEr6Al3Fe3 cuboctahedra that share corners with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, edges with six equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Fe(1)Er6Al4Fe2 cuboctahedra, faces with three equivalent Fe(3)Er6Al4Fe2 cuboctahedra, faces with three equivalent Fe(2)Er6Al6 cuboctahedra, faces with three equivalent Al(4)Er6Al2Fe4 cuboctahedra, faces with three equivalent Al(1)Er6Al4Fe2 cuboctahedra, and faces with three equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the third Al site, Al(3) is bonded to six equivalent Er(3), two equivalent Fe(2), two equivalent Al(1), and two equivalent Al(5) atoms to form AlEr6Al4Fe2 cuboctahedra that share corners with four equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with six equivalent Al(2)Er6Al3Fe3 cuboctahedra, edges with six equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with six equivalent Fe(2)Er6Al6 cuboctahedra, faces with six equivalent Al(1)Er6Al4Fe2 cuboctahedra, and faces with six equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the fourth Al site, Al(4) is bonded to two equivalent Er(1), four equivalent Er(2), two equivalent Fe(1), two equivalent Fe(3), and two equivalent Al(2) atoms to form AlEr6Al2Fe4 cuboctahedra that share corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with four equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Er6Al6 cuboctahedra, faces with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Er6Al4Fe2 cuboctahedra, and faces with six equivalent Al(2)Er6Al3Fe3 cuboctahedra. In the fifth Al site, Al(5) is bonded to one Er(2), two equivalent Er(1), three equivalent Er(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(1) atoms to form AlEr6Al4Fe2 cuboctahedra that share  a cornercorner with one Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with two equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Er6Al4Fe2 cuboctahedra, corners with five equivalent Al(5)Er6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Er6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Er6Al4Fe2 cuboctahedra,  a faceface with one Fe(3)Er6Al4Fe2 cuboctahedra, faces with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Er6Al6 cuboctahedra, and faces with five equivalent Al(1)Er6Al4Fe2 cuboctahedra. is represented by the CIF card [CIF]
data_Er3(Al2Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.342
_cell_length_b   5.360
_cell_length_c   13.265
_cell_angle_alpha   90.583
_cell_angle_beta   88.997
_cell_angle_gamma   119.135
_symmetry_Int_Tables_number   1
_cell_volume   331.719
_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
  Er  Er0  1  0.339  0.670  0.919  1.0
  Er  Er1  1  0.007  0.999  0.246  1.0
  Er  Er2  1  0.669  0.332  0.583  1.0
  Er  Er3  1  0.331  0.668  0.667  1.0
  Er  Er4  1  0.993  0.001  0.004  1.0
  Er  Er5  1  0.661  0.330  0.331  1.0
  Al  Al6  1  0.168  0.335  0.458  1.0
  Al  Al7  1  0.832  0.665  0.792  1.0
  Al  Al8  1  0.340  0.678  0.287  1.0
  Al  Al9  1  0.000  0.000  0.625  1.0
  Al  Al10  1  0.660  0.322  0.963  1.0
  Al  Al11  1  0.000  0.500  0.125  1.0
  Al  Al12  1  0.666  0.832  0.458  1.0
  Al  Al13  1  0.334  0.168  0.792  1.0
  Fe  Fe14  1  0.500  0.500  0.125  1.0
  Fe  Fe15  1  0.165  0.833  0.459  1.0
  Fe  Fe16  1  0.835  0.167  0.791  1.0
  Fe  Fe17  1  0.500  0.000  0.125  1.0
[/CIF]
.
The structure described by Er3(FeAl2)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Er sites. In the first Er site, Er(1) is bonded in a 16-coordinate geometry to one Er(3), three equivalent Er(2), one Fe(1), one Fe(3), two equivalent Fe(2), one Al(4), two equivalent Al(1), two equivalent Al(5), and three equivalent Al(2) atoms. In the second Er site, Er(2) is bonded in a 16-coordinate geometry to one Er(2), three equivalent Er(1), one Fe(2), two equivalent Fe(1), two equivalent Fe(3), one Al(1), one Al(5), two equivalent Al(4), and three equivalent Al(2) atoms. In the third Er site, Er(3) is bonded in a 16-coordinate geometry to one Er(1), three equivalent Er(3), three equivalent Fe(2), three equivalent Al(1), three equivalent Al(3), and three equivalent Al(5) atoms. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Er(1), four equivalent Er(2), two equivalent Fe(3), two equivalent Al(2), and two equivalent Al(4) atoms to form FeEr6Al4Fe2 cuboctahedra that share corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, edges with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Er6Al6 cuboctahedra, faces with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, faces with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Er6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Er6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Er6Al3Fe3 cuboctahedra. In the second Fe site, Fe(2) is bonded to one Er(2), two equivalent Er(1), three equivalent Er(3), one Al(2), one Al(3), two equivalent Al(1), and two equivalent Al(5) atoms to form FeEr6Al6 cuboctahedra that share  a cornercorner with one Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with five equivalent Fe(2)Er6Al6 cuboctahedra, edges with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Er6Al6 cuboctahedra,  a faceface with one Fe(3)Er6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Er6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with five equivalent Al(1)Er6Al4Fe2 cuboctahedra, and faces with five equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Er(1), four equivalent Er(2), two equivalent Fe(1), two equivalent Al(2), and two equivalent Al(4) atoms to form FeEr6Al4Fe2 cuboctahedra that share corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Er6Al6 cuboctahedra, faces with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Er6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Er6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Er6Al3Fe3 cuboctahedra. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded to one Er(2), two equivalent Er(1), three equivalent Er(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(5) atoms to form distorted AlEr6Al4Fe2 cuboctahedra that share  a cornercorner with one Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with two equivalent Al(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with five equivalent Al(1)Er6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Er6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Er6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Er6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Er6Al6 cuboctahedra, and faces with five equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the second Al site, Al(2) is bonded to three equivalent Er(1), three equivalent Er(2), one Fe(1), one Fe(2), one Fe(3), one Al(1), one Al(4), and one Al(5) atom to form distorted AlEr6Al3Fe3 cuboctahedra that share corners with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, edges with six equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Fe(1)Er6Al4Fe2 cuboctahedra, faces with three equivalent Fe(3)Er6Al4Fe2 cuboctahedra, faces with three equivalent Fe(2)Er6Al6 cuboctahedra, faces with three equivalent Al(4)Er6Al2Fe4 cuboctahedra, faces with three equivalent Al(1)Er6Al4Fe2 cuboctahedra, and faces with three equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the third Al site, Al(3) is bonded to six equivalent Er(3), two equivalent Fe(2), two equivalent Al(1), and two equivalent Al(5) atoms to form AlEr6Al4Fe2 cuboctahedra that share corners with four equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with six equivalent Al(2)Er6Al3Fe3 cuboctahedra, edges with six equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with six equivalent Fe(2)Er6Al6 cuboctahedra, faces with six equivalent Al(1)Er6Al4Fe2 cuboctahedra, and faces with six equivalent Al(5)Er6Al4Fe2 cuboctahedra. In the fourth Al site, Al(4) is bonded to two equivalent Er(1), four equivalent Er(2), two equivalent Fe(1), two equivalent Fe(3), and two equivalent Al(2) atoms to form AlEr6Al2Fe4 cuboctahedra that share corners with two equivalent Al(5)Er6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Er6Al6 cuboctahedra, corners with four equivalent Al(4)Er6Al2Fe4 cuboctahedra, corners with four equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Er6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Er6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Er6Al6 cuboctahedra, faces with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Er6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Er6Al4Fe2 cuboctahedra, and faces with six equivalent Al(2)Er6Al3Fe3 cuboctahedra. In the fifth Al site, Al(5) is bonded to one Er(2), two equivalent Er(1), three equivalent Er(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(1) atoms to form AlEr6Al4Fe2 cuboctahedra that share  a cornercorner with one Al(4)Er6Al2Fe4 cuboctahedra, corners with two equivalent Fe(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Er6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Er6Al6 cuboctahedra, corners with two equivalent Al(2)Er6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Er6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Er6Al4Fe2 cuboctahedra, corners with five equivalent Al(5)Er6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Er6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Er6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Er6Al4Fe2 cuboctahedra,  a faceface with one Fe(3)Er6Al4Fe2 cuboctahedra, faces with three equivalent Al(2)Er6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Er6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Er6Al6 cuboctahedra, and faces with five equivalent Al(1)Er6Al4Fe2 cuboctahedra. is represented by the CIF card [CIF]
data_Er3(Al2Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.342
_cell_length_b   5.360
_cell_length_c   13.265
_cell_angle_alpha   90.583
_cell_angle_beta   88.997
_cell_angle_gamma   119.135
_symmetry_Int_Tables_number   1
_cell_volume   331.719
_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
  Er  Er0  1  0.339  0.670  0.919  1.0
  Er  Er1  1  0.007  0.999  0.246  1.0
  Er  Er2  1  0.669  0.332  0.583  1.0
  Er  Er3  1  0.331  0.668  0.667  1.0
  Er  Er4  1  0.993  0.001  0.004  1.0
  Er  Er5  1  0.661  0.330  0.331  1.0
  Al  Al6  1  0.168  0.335  0.458  1.0
  Al  Al7  1  0.832  0.665  0.792  1.0
  Al  Al8  1  0.340  0.678  0.287  1.0
  Al  Al9  1  0.000  0.000  0.625  1.0
  Al  Al10  1  0.660  0.322  0.963  1.0
  Al  Al11  1  0.000  0.500  0.125  1.0
  Al  Al12  1  0.666  0.832  0.458  1.0
  Al  Al13  1  0.334  0.168  0.792  1.0
  Fe  Fe14  1  0.500  0.500  0.125  1.0
  Fe  Fe15  1  0.165  0.833  0.459  1.0
  Fe  Fe16  1  0.835  0.167  0.791  1.0
  Fe  Fe17  1  0.500  0.000  0.125  1.0
[/CIF]
.