The crystal structure described by EuAgGa3 crystallizes in the tetragonal I-4m2 space group. Eu(1) is bonded in a 16-coordinate geometry to four equivalent Ag(1), four equivalent Ga(2), and eight equivalent Ga(1) atoms. Ag(1) is bonded to four equivalent Eu(1), four equivalent Ga(1), and four equivalent Ga(2) atoms to form distorted AgEu4Ga8 cuboctahedra that share corners with four equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra, corners with twelve equivalent Ag(1)Eu4Ga8 cuboctahedra, edges with two equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra, faces with four equivalent Ag(1)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 9-coordinate geometry to four equivalent Eu(1), two equivalent Ag(1), one Ga(1), and two equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded to four equivalent Eu(1), four equivalent Ag(1), and four equivalent Ga(1) atoms to form GaEu4Ga4Ag4 cuboctahedra that share corners with four equivalent Ag(1)Eu4Ga8 cuboctahedra, corners with twelve equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra, edges with two equivalent Ag(1)Eu4Ga8 cuboctahedra, faces with four equivalent Ag(1)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra. is represented by the CIF file [CIF]
data_EuGa3Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.246
_cell_length_b   6.246
_cell_length_c   6.246
_cell_angle_alpha   139.532
_cell_angle_beta   139.532
_cell_angle_gamma   58.564
_symmetry_Int_Tables_number   1
_cell_volume   101.669
_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
  Ga  Ga1  1  0.614  0.614  0.000  1.0
  Ga  Ga2  1  0.386  0.386  0.000  1.0
  Ga  Ga3  1  0.750  0.250  0.500  1.0
  Ag  Ag4  1  0.250  0.750  0.500  1.0
[/CIF]
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The crystal structure described by EuAgGa3 crystallizes in the tetragonal I-4m2 space group. Eu(1) is bonded in a 16-coordinate geometry to four equivalent Ag(1), four equivalent Ga(2), and eight equivalent Ga(1) atoms. Ag(1) is bonded to four equivalent Eu(1), four equivalent Ga(1), and four equivalent Ga(2) atoms to form distorted AgEu4Ga8 cuboctahedra that share corners with four equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra, corners with twelve equivalent Ag(1)Eu4Ga8 cuboctahedra, edges with two equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra, faces with four equivalent Ag(1)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 9-coordinate geometry to four equivalent Eu(1), two equivalent Ag(1), one Ga(1), and two equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded to four equivalent Eu(1), four equivalent Ag(1), and four equivalent Ga(1) atoms to form GaEu4Ga4Ag4 cuboctahedra that share corners with four equivalent Ag(1)Eu4Ga8 cuboctahedra, corners with twelve equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra, edges with two equivalent Ag(1)Eu4Ga8 cuboctahedra, faces with four equivalent Ag(1)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(2)Eu4Ga4Ag4 cuboctahedra. is represented by the CIF file [CIF]
data_EuGa3Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.246
_cell_length_b   6.246
_cell_length_c   6.246
_cell_angle_alpha   139.532
_cell_angle_beta   139.532
_cell_angle_gamma   58.564
_symmetry_Int_Tables_number   1
_cell_volume   101.669
_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
  Ga  Ga1  1  0.614  0.614  0.000  1.0
  Ga  Ga2  1  0.386  0.386  0.000  1.0
  Ga  Ga3  1  0.750  0.250  0.500  1.0
  Ag  Ag4  1  0.250  0.750  0.500  1.0
[/CIF]
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