The crystal structure described by FeAg is alpha La-derived structured and crystallizes in the trigonal R-3m space group. Fe(1) is bonded to six equivalent Fe(1) and six equivalent Ag(1) atoms to form FeFe6Ag6 cuboctahedra that share corners with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra, faces with six equivalent Fe(1)Fe6Ag6 cuboctahedra, and faces with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra. Ag(1) is bonded to six equivalent Fe(1) and six equivalent Ag(1) atoms to form AgFe6Ag6 cuboctahedra that share corners with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra, faces with six equivalent Ag(1)Fe6Ag6 cuboctahedra, and faces with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_FeAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.905
_cell_length_b   4.905
_cell_length_c   4.905
_cell_angle_alpha   32.608
_cell_angle_beta   32.608
_cell_angle_gamma   32.608
_symmetry_Int_Tables_number   1
_cell_volume   30.486
_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
  Fe  Fe0  1  0.500  0.500  0.500  1.0
  Ag  Ag1  1  0.000  0.000  0.000  1.0
[/CIF]
.
The crystal structure described by FeAg is alpha La-derived structured and crystallizes in the trigonal R-3m space group. Fe(1) is bonded to six equivalent Fe(1) and six equivalent Ag(1) atoms to form FeFe6Ag6 cuboctahedra that share corners with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra, faces with six equivalent Fe(1)Fe6Ag6 cuboctahedra, and faces with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra. Ag(1) is bonded to six equivalent Fe(1) and six equivalent Ag(1) atoms to form AgFe6Ag6 cuboctahedra that share corners with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra, edges with twelve equivalent Ag(1)Fe6Ag6 cuboctahedra, faces with six equivalent Ag(1)Fe6Ag6 cuboctahedra, and faces with twelve equivalent Fe(1)Fe6Ag6 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_FeAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.905
_cell_length_b   4.905
_cell_length_c   4.905
_cell_angle_alpha   32.608
_cell_angle_beta   32.608
_cell_angle_gamma   32.608
_symmetry_Int_Tables_number   1
_cell_volume   30.486
_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
  Fe  Fe0  1  0.500  0.500  0.500  1.0
  Ag  Ag1  1  0.000  0.000  0.000  1.0
[/CIF]
.