The compound described by EuAl2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. Eu(1) is bonded in a 16-coordinate geometry to four equivalent Eu(1) and twelve equivalent Al(1) atoms. Al(1) is bonded to six equivalent Eu(1) and six equivalent Al(1) atoms to form a mixture of edge, face, and corner-sharing AlEu6Al6 cuboctahedra. is represented by the CIF file [CIF]
data_EuAl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.695
_cell_length_b   5.695
_cell_length_c   5.695
_cell_angle_alpha   60.001
_cell_angle_beta   60.001
_cell_angle_gamma   59.999
_symmetry_Int_Tables_number   1
_cell_volume   130.619
_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
  Eu  Eu0  1  0.875  0.875  0.875  1.0
  Eu  Eu1  1  0.125  0.125  0.125  1.0
  Al  Al2  1  0.500  0.500  0.500  1.0
  Al  Al3  1  0.500  0.500  0.000  1.0
  Al  Al4  1  0.000  0.500  0.500  1.0
  Al  Al5  1  0.500  0.000  0.500  1.0
[/CIF]
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The compound described by EuAl2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. Eu(1) is bonded in a 16-coordinate geometry to four equivalent Eu(1) and twelve equivalent Al(1) atoms. Al(1) is bonded to six equivalent Eu(1) and six equivalent Al(1) atoms to form a mixture of edge, face, and corner-sharing AlEu6Al6 cuboctahedra. is represented by the CIF file [CIF]
data_EuAl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.695
_cell_length_b   5.695
_cell_length_c   5.695
_cell_angle_alpha   60.001
_cell_angle_beta   60.001
_cell_angle_gamma   59.999
_symmetry_Int_Tables_number   1
_cell_volume   130.619
_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
  Eu  Eu0  1  0.875  0.875  0.875  1.0
  Eu  Eu1  1  0.125  0.125  0.125  1.0
  Al  Al2  1  0.500  0.500  0.500  1.0
  Al  Al3  1  0.500  0.500  0.000  1.0
  Al  Al4  1  0.000  0.500  0.500  1.0
  Al  Al5  1  0.500  0.000  0.500  1.0
[/CIF]
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