The structure described by EuPd2Al3 crystallizes in the hexagonal P6/mmm space group. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 18-coordinate geometry to six equivalent Pd(1), six equivalent Al(1), and six equivalent Al(2) atoms. In the second Eu site, Eu(2) is bonded in a hexagonal planar geometry to six equivalent Pd(1) atoms. Pd(1) is bonded in a 9-coordinate geometry to one Eu(2), two equivalent Eu(1), two equivalent Al(2), and four equivalent Al(1) atoms. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to two equivalent Eu(1) and four equivalent Pd(1) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to four equivalent Eu(1) and four equivalent Pd(1) atoms. is represented by the CIF card [CIF]
data_EuAl3Pd2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.340
_cell_length_b   9.669
_cell_length_c   9.669
_cell_angle_alpha   120.002
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   351.401
_cell_formula_units_Z   3
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  0.500  0.333  0.667  1.0
  Eu  Eu1  1  0.500  0.667  0.333  1.0
  Eu  Eu2  1  0.000  0.000  0.000  1.0
  Al  Al3  1  0.500  0.302  0.000  1.0
  Al  Al4  1  0.500  0.698  0.698  1.0
  Al  Al5  1  0.500  1.000  0.302  1.0
  Al  Al6  1  0.500  0.698  0.000  1.0
  Al  Al7  1  0.500  0.302  0.302  1.0
  Al  Al8  1  0.500  0.000  0.698  1.0
  Al  Al9  1  0.000  0.500  0.000  1.0
  Al  Al10  1  0.000  0.500  0.500  1.0
  Al  Al11  1  0.000  1.000  0.500  1.0
  Pd  Pd12  1  0.000  0.184  0.368  1.0
  Pd  Pd13  1  0.000  0.184  0.816  1.0
  Pd  Pd14  1  0.000  0.632  0.816  1.0
  Pd  Pd15  1  0.000  0.816  0.632  1.0
  Pd  Pd16  1  0.000  0.368  0.184  1.0
  Pd  Pd17  1  0.000  0.816  0.184  1.0
[/CIF]
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The structure described by EuPd2Al3 crystallizes in the hexagonal P6/mmm space group. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 18-coordinate geometry to six equivalent Pd(1), six equivalent Al(1), and six equivalent Al(2) atoms. In the second Eu site, Eu(2) is bonded in a hexagonal planar geometry to six equivalent Pd(1) atoms. Pd(1) is bonded in a 9-coordinate geometry to one Eu(2), two equivalent Eu(1), two equivalent Al(2), and four equivalent Al(1) atoms. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to two equivalent Eu(1) and four equivalent Pd(1) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to four equivalent Eu(1) and four equivalent Pd(1) atoms. is represented by the CIF card [CIF]
data_EuAl3Pd2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.340
_cell_length_b   9.669
_cell_length_c   9.669
_cell_angle_alpha   120.002
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   351.401
_cell_formula_units_Z   3
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  0.500  0.333  0.667  1.0
  Eu  Eu1  1  0.500  0.667  0.333  1.0
  Eu  Eu2  1  0.000  0.000  0.000  1.0
  Al  Al3  1  0.500  0.302  0.000  1.0
  Al  Al4  1  0.500  0.698  0.698  1.0
  Al  Al5  1  0.500  1.000  0.302  1.0
  Al  Al6  1  0.500  0.698  0.000  1.0
  Al  Al7  1  0.500  0.302  0.302  1.0
  Al  Al8  1  0.500  0.000  0.698  1.0
  Al  Al9  1  0.000  0.500  0.000  1.0
  Al  Al10  1  0.000  0.500  0.500  1.0
  Al  Al11  1  0.000  1.000  0.500  1.0
  Pd  Pd12  1  0.000  0.184  0.368  1.0
  Pd  Pd13  1  0.000  0.184  0.816  1.0
  Pd  Pd14  1  0.000  0.632  0.816  1.0
  Pd  Pd15  1  0.000  0.816  0.632  1.0
  Pd  Pd16  1  0.000  0.368  0.184  1.0
  Pd  Pd17  1  0.000  0.816  0.184  1.0
[/CIF]
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