The material described by Er4Sb3 crystallizes in the cubic I-43d space group. Er(1) is bonded in a 6-coordinate geometry to six equivalent Sb(1) atoms. Sb(1) is bonded to eight equivalent Er(1) atoms to form a mixture of distorted face, corner, and edge-sharing SbEr8 hexagonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Er4Sb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.864
_cell_length_b   7.864
_cell_length_c   7.864
_cell_angle_alpha   109.473
_cell_angle_beta   109.472
_cell_angle_gamma   109.472
_symmetry_Int_Tables_number   1
_cell_volume   374.321
_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  0.145  0.145  0.145  1.0
  Er  Er1  1  0.855  0.500  1.000  1.0
  Er  Er2  1  1.000  0.855  0.500  1.0
  Er  Er3  1  0.500  1.000  0.855  1.0
  Er  Er4  1  0.000  0.355  0.500  1.0
  Er  Er5  1  0.500  1.000  0.355  1.0
  Er  Er6  1  0.355  0.500  0.000  1.0
  Er  Er7  1  0.645  0.645  0.645  1.0
  Sb  Sb8  1  0.250  0.625  0.375  1.0
  Sb  Sb9  1  0.375  0.250  0.625  1.0
  Sb  Sb10  1  0.125  0.750  0.875  1.0
  Sb  Sb11  1  0.875  0.125  0.750  1.0
  Sb  Sb12  1  0.625  0.375  0.250  1.0
  Sb  Sb13  1  0.750  0.875  0.125  1.0
[/CIF]
.
The material described by Er4Sb3 crystallizes in the cubic I-43d space group. Er(1) is bonded in a 6-coordinate geometry to six equivalent Sb(1) atoms. Sb(1) is bonded to eight equivalent Er(1) atoms to form a mixture of distorted face, corner, and edge-sharing SbEr8 hexagonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Er4Sb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.864
_cell_length_b   7.864
_cell_length_c   7.864
_cell_angle_alpha   109.473
_cell_angle_beta   109.472
_cell_angle_gamma   109.472
_symmetry_Int_Tables_number   1
_cell_volume   374.321
_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  0.145  0.145  0.145  1.0
  Er  Er1  1  0.855  0.500  1.000  1.0
  Er  Er2  1  1.000  0.855  0.500  1.0
  Er  Er3  1  0.500  1.000  0.855  1.0
  Er  Er4  1  0.000  0.355  0.500  1.0
  Er  Er5  1  0.500  1.000  0.355  1.0
  Er  Er6  1  0.355  0.500  0.000  1.0
  Er  Er7  1  0.645  0.645  0.645  1.0
  Sb  Sb8  1  0.250  0.625  0.375  1.0
  Sb  Sb9  1  0.375  0.250  0.625  1.0
  Sb  Sb10  1  0.125  0.750  0.875  1.0
  Sb  Sb11  1  0.875  0.125  0.750  1.0
  Sb  Sb12  1  0.625  0.375  0.250  1.0
  Sb  Sb13  1  0.750  0.875  0.125  1.0
[/CIF]
.