The material described by ErEu is Magnesium-derived structured and crystallizes in the hexagonal P-6m2 space group. Er(1) is bonded to six equivalent Er(1) and six equivalent Eu(1) atoms to form ErEu6Er6 cuboctahedra that share corners with eighteen equivalent Er(1)Eu6Er6 cuboctahedra, edges with six equivalent Er(1)Eu6Er6 cuboctahedra, edges with twelve equivalent Eu(1)Eu6Er6 cuboctahedra, faces with eight equivalent Er(1)Eu6Er6 cuboctahedra, and faces with twelve equivalent Eu(1)Eu6Er6 cuboctahedra. Eu(1) is bonded to six equivalent Er(1) and six equivalent Eu(1) atoms to form EuEu6Er6 cuboctahedra that share corners with eighteen equivalent Eu(1)Eu6Er6 cuboctahedra, edges with six equivalent Eu(1)Eu6Er6 cuboctahedra, edges with twelve equivalent Er(1)Eu6Er6 cuboctahedra, faces with eight equivalent Eu(1)Eu6Er6 cuboctahedra, and faces with twelve equivalent Er(1)Eu6Er6 cuboctahedra. is represented by the CIF card [CIF]
data_EuEr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.660
_cell_length_b   3.660
_cell_length_c   6.054
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   70.236
_cell_formula_units_Z   1
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  0.000  0.000  0.000  1.0
  Er  Er1  1  0.333  0.667  0.500  1.0
[/CIF]
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The material described by ErEu is Magnesium-derived structured and crystallizes in the hexagonal P-6m2 space group. Er(1) is bonded to six equivalent Er(1) and six equivalent Eu(1) atoms to form ErEu6Er6 cuboctahedra that share corners with eighteen equivalent Er(1)Eu6Er6 cuboctahedra, edges with six equivalent Er(1)Eu6Er6 cuboctahedra, edges with twelve equivalent Eu(1)Eu6Er6 cuboctahedra, faces with eight equivalent Er(1)Eu6Er6 cuboctahedra, and faces with twelve equivalent Eu(1)Eu6Er6 cuboctahedra. Eu(1) is bonded to six equivalent Er(1) and six equivalent Eu(1) atoms to form EuEu6Er6 cuboctahedra that share corners with eighteen equivalent Eu(1)Eu6Er6 cuboctahedra, edges with six equivalent Eu(1)Eu6Er6 cuboctahedra, edges with twelve equivalent Er(1)Eu6Er6 cuboctahedra, faces with eight equivalent Eu(1)Eu6Er6 cuboctahedra, and faces with twelve equivalent Er(1)Eu6Er6 cuboctahedra. is represented by the CIF card [CIF]
data_EuEr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.660
_cell_length_b   3.660
_cell_length_c   6.054
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   70.236
_cell_formula_units_Z   1
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  0.000  0.000  0.000  1.0
  Er  Er1  1  0.333  0.667  0.500  1.0
[/CIF]
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