The structure described by Er3Ru2 crystallizes in the cubic I-43d space group. There are two inequivalent Er sites. In the first Er site, Er(1) is bonded in a 4-coordinate geometry to four equivalent Ru(1) atoms. In the second Er site, Er(2) is bonded in a 4-coordinate geometry to four equivalent Ru(1) atoms. Ru(1) is bonded in a 6-coordinate geometry to three equivalent Er(1) and three equivalent Er(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Er3Ru2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.230
_cell_length_b   8.230
_cell_length_c   8.230
_cell_angle_alpha   109.471
_cell_angle_beta   109.471
_cell_angle_gamma   109.471
_symmetry_Int_Tables_number   1
_cell_volume   429.047
_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
  Er  Er0  1  0.375  0.750  0.625  1.0
  Er  Er1  1  0.125  0.250  0.875  1.0
  Er  Er2  1  0.750  0.625  0.375  1.0
  Er  Er3  1  0.250  0.875  0.125  1.0
  Er  Er4  1  0.625  0.375  0.750  1.0
  Er  Er5  1  0.875  0.125  0.250  1.0
  Er  Er6  1  0.875  0.750  0.125  1.0
  Er  Er7  1  0.625  0.250  0.375  1.0
  Er  Er8  1  0.750  0.125  0.875  1.0
  Er  Er9  1  0.250  0.375  0.625  1.0
  Er  Er10  1  0.125  0.875  0.750  1.0
  Er  Er11  1  0.375  0.625  0.250  1.0
  Ru  Ru12  1  0.238  0.000  0.500  1.0
  Ru  Ru13  1  0.000  0.500  0.238  1.0
  Ru  Ru14  1  0.500  0.238  0.000  1.0
  Ru  Ru15  1  0.262  0.262  0.262  1.0
  Ru  Ru16  1  0.000  0.500  0.738  1.0
  Ru  Ru17  1  0.738  0.000  0.500  1.0
  Ru  Ru18  1  0.500  0.738  0.000  1.0
  Ru  Ru19  1  0.762  0.762  0.762  1.0
[/CIF]
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The structure described by Er3Ru2 crystallizes in the cubic I-43d space group. There are two inequivalent Er sites. In the first Er site, Er(1) is bonded in a 4-coordinate geometry to four equivalent Ru(1) atoms. In the second Er site, Er(2) is bonded in a 4-coordinate geometry to four equivalent Ru(1) atoms. Ru(1) is bonded in a 6-coordinate geometry to three equivalent Er(1) and three equivalent Er(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Er3Ru2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.230
_cell_length_b   8.230
_cell_length_c   8.230
_cell_angle_alpha   109.471
_cell_angle_beta   109.471
_cell_angle_gamma   109.471
_symmetry_Int_Tables_number   1
_cell_volume   429.047
_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
  Er  Er0  1  0.375  0.750  0.625  1.0
  Er  Er1  1  0.125  0.250  0.875  1.0
  Er  Er2  1  0.750  0.625  0.375  1.0
  Er  Er3  1  0.250  0.875  0.125  1.0
  Er  Er4  1  0.625  0.375  0.750  1.0
  Er  Er5  1  0.875  0.125  0.250  1.0
  Er  Er6  1  0.875  0.750  0.125  1.0
  Er  Er7  1  0.625  0.250  0.375  1.0
  Er  Er8  1  0.750  0.125  0.875  1.0
  Er  Er9  1  0.250  0.375  0.625  1.0
  Er  Er10  1  0.125  0.875  0.750  1.0
  Er  Er11  1  0.375  0.625  0.250  1.0
  Ru  Ru12  1  0.238  0.000  0.500  1.0
  Ru  Ru13  1  0.000  0.500  0.238  1.0
  Ru  Ru14  1  0.500  0.238  0.000  1.0
  Ru  Ru15  1  0.262  0.262  0.262  1.0
  Ru  Ru16  1  0.000  0.500  0.738  1.0
  Ru  Ru17  1  0.738  0.000  0.500  1.0
  Ru  Ru18  1  0.500  0.738  0.000  1.0
  Ru  Ru19  1  0.762  0.762  0.762  1.0
[/CIF]
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