The compound described by LiEu2Ga7 crystallizes in the tetragonal P-4m2 space group. Li(1) is bonded to four equivalent Eu(1), four equivalent Ga(1), and four equivalent Ga(4) atoms to form distorted LiEu4Ga8 tetrahedra that share corners with four equivalent Ga(5)Eu4Ga8 cuboctahedra, corners with eight equivalent Ga(3)Eu4Ga8 cuboctahedra, corners with four equivalent Li(1)Eu4Ga8 tetrahedra, edges with two equivalent Ga(5)Eu4Ga8 cuboctahedra, faces with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, and faces with four equivalent Li(1)Eu4Ga8 tetrahedra. Eu(1) is bonded in a 16-coordinate geometry to two equivalent Li(1), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), four equivalent Ga(1), and four equivalent Ga(2) atoms. There are five inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 9-coordinate geometry to two equivalent Li(1), four equivalent Eu(1), one Ga(2), and two equivalent Ga(4) atoms. In the second Ga site, Ga(2) is bonded in a 9-coordinate geometry to four equivalent Eu(1), one Ga(1), two equivalent Ga(3), and two equivalent Ga(5) atoms. In the third Ga site, Ga(3) is bonded to four equivalent Eu(1), four equivalent Ga(2), and four equivalent Ga(5) atoms to form distorted GaEu4Ga8 cuboctahedra that share corners with four equivalent Ga(3)Eu4Ga8 cuboctahedra, corners with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, corners with eight equivalent Li(1)Eu4Ga8 tetrahedra, edges with two equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, faces with four equivalent Ga(3)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(5)Eu4Ga8 cuboctahedra. In the fourth Ga site, Ga(4) is bonded to four equivalent Li(1), four equivalent Eu(1), and four equivalent Ga(1) atoms to form GaLi4Eu4Ga4 cuboctahedra that share corners with four equivalent Ga(3)Eu4Ga8 cuboctahedra, corners with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, corners with eight equivalent Ga(5)Eu4Ga8 cuboctahedra, edges with two equivalent Ga(3)Eu4Ga8 cuboctahedra, faces with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, and faces with four equivalent Li(1)Eu4Ga8 tetrahedra. In the fifth Ga site, Ga(5) is bonded to four equivalent Eu(1), four equivalent Ga(2), and four equivalent Ga(3) atoms to form distorted GaEu4Ga8 cuboctahedra that share corners with four equivalent Ga(5)Eu4Ga8 cuboctahedra, corners with eight equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, corners with four equivalent Li(1)Eu4Ga8 tetrahedra, edges with two equivalent Li(1)Eu4Ga8 tetrahedra, faces with four equivalent Ga(3)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(5)Eu4Ga8 cuboctahedra. is represented by the CIF card [CIF]
data_LiEu2Ga7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.283
_cell_length_b   4.283
_cell_length_c   10.864
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   199.328
_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
  Li  Li0  1  0.000  0.000  1.000  1.0
  Eu  Eu1  1  0.500  0.000  0.745  1.0
  Eu  Eu2  1  0.000  0.500  0.255  1.0
  Ga  Ga3  1  0.000  0.500  0.866  1.0
  Ga  Ga4  1  0.500  0.000  0.363  1.0
  Ga  Ga5  1  0.500  0.000  0.133  1.0
  Ga  Ga6  1  0.000  0.500  0.637  1.0
  Ga  Ga7  1  0.500  0.500  0.500  1.0
  Ga  Ga8  1  0.500  0.500  1.000  1.0
  Ga  Ga9  1  0.000  0.000  0.500  1.0
[/CIF]
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The compound described by LiEu2Ga7 crystallizes in the tetragonal P-4m2 space group. Li(1) is bonded to four equivalent Eu(1), four equivalent Ga(1), and four equivalent Ga(4) atoms to form distorted LiEu4Ga8 tetrahedra that share corners with four equivalent Ga(5)Eu4Ga8 cuboctahedra, corners with eight equivalent Ga(3)Eu4Ga8 cuboctahedra, corners with four equivalent Li(1)Eu4Ga8 tetrahedra, edges with two equivalent Ga(5)Eu4Ga8 cuboctahedra, faces with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, and faces with four equivalent Li(1)Eu4Ga8 tetrahedra. Eu(1) is bonded in a 16-coordinate geometry to two equivalent Li(1), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), four equivalent Ga(1), and four equivalent Ga(2) atoms. There are five inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 9-coordinate geometry to two equivalent Li(1), four equivalent Eu(1), one Ga(2), and two equivalent Ga(4) atoms. In the second Ga site, Ga(2) is bonded in a 9-coordinate geometry to four equivalent Eu(1), one Ga(1), two equivalent Ga(3), and two equivalent Ga(5) atoms. In the third Ga site, Ga(3) is bonded to four equivalent Eu(1), four equivalent Ga(2), and four equivalent Ga(5) atoms to form distorted GaEu4Ga8 cuboctahedra that share corners with four equivalent Ga(3)Eu4Ga8 cuboctahedra, corners with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, corners with eight equivalent Li(1)Eu4Ga8 tetrahedra, edges with two equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, faces with four equivalent Ga(3)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(5)Eu4Ga8 cuboctahedra. In the fourth Ga site, Ga(4) is bonded to four equivalent Li(1), four equivalent Eu(1), and four equivalent Ga(1) atoms to form GaLi4Eu4Ga4 cuboctahedra that share corners with four equivalent Ga(3)Eu4Ga8 cuboctahedra, corners with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, corners with eight equivalent Ga(5)Eu4Ga8 cuboctahedra, edges with two equivalent Ga(3)Eu4Ga8 cuboctahedra, faces with four equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, and faces with four equivalent Li(1)Eu4Ga8 tetrahedra. In the fifth Ga site, Ga(5) is bonded to four equivalent Eu(1), four equivalent Ga(2), and four equivalent Ga(3) atoms to form distorted GaEu4Ga8 cuboctahedra that share corners with four equivalent Ga(5)Eu4Ga8 cuboctahedra, corners with eight equivalent Ga(4)Li4Eu4Ga4 cuboctahedra, corners with four equivalent Li(1)Eu4Ga8 tetrahedra, edges with two equivalent Li(1)Eu4Ga8 tetrahedra, faces with four equivalent Ga(3)Eu4Ga8 cuboctahedra, and faces with four equivalent Ga(5)Eu4Ga8 cuboctahedra. is represented by the CIF card [CIF]
data_LiEu2Ga7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.283
_cell_length_b   4.283
_cell_length_c   10.864
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   199.328
_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
  Li  Li0  1  0.000  0.000  1.000  1.0
  Eu  Eu1  1  0.500  0.000  0.745  1.0
  Eu  Eu2  1  0.000  0.500  0.255  1.0
  Ga  Ga3  1  0.000  0.500  0.866  1.0
  Ga  Ga4  1  0.500  0.000  0.363  1.0
  Ga  Ga5  1  0.500  0.000  0.133  1.0
  Ga  Ga6  1  0.000  0.500  0.637  1.0
  Ga  Ga7  1  0.500  0.500  0.500  1.0
  Ga  Ga8  1  0.500  0.500  1.000  1.0
  Ga  Ga9  1  0.000  0.000  0.500  1.0
[/CIF]
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