The structure described by Tb3La is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to eight Tb(1,1) and four equivalent La(1) atoms to form TbLa4Tb8 cuboctahedra that share corners with four equivalent La(1)Tb12 cuboctahedra; corners with fourteen Tb(1,1)La4Tb8 cuboctahedra; edges with six equivalent La(1)Tb12 cuboctahedra; edges with twelve Tb(1,1)La4Tb8 cuboctahedra; faces with four equivalent La(1)Tb12 cuboctahedra; and faces with sixteen Tb(1,1)La4Tb8 cuboctahedra. In the second Tb site, Tb(1) is bonded to eight Tb(1,1) and four equivalent La(1) atoms to form TbLa4Tb8 cuboctahedra that share corners with four equivalent La(1)Tb12 cuboctahedra; corners with fourteen Tb(1,1)La4Tb8 cuboctahedra; edges with six equivalent La(1)Tb12 cuboctahedra; edges with twelve Tb(1,1)La4Tb8 cuboctahedra; faces with four equivalent La(1)Tb12 cuboctahedra; and faces with sixteen Tb(1,1)La4Tb8 cuboctahedra. La(1) is bonded to twelve Tb(1,1) atoms to form LaTb12 cuboctahedra that share corners with six equivalent La(1)Tb12 cuboctahedra; corners with twelve Tb(1,1)La4Tb8 cuboctahedra; edges with eighteen Tb(1,1)La4Tb8 cuboctahedra; faces with eight equivalent La(1)Tb12 cuboctahedra; and faces with twelve Tb(1,1)La4Tb8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_LaTb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.374
_cell_length_b   7.374
_cell_length_c   5.895
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   277.609
_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
  La  La0  1  0.667  0.333  0.250  1.0
  La  La1  1  0.333  0.667  0.750  1.0
  Tb  Tb2  1  0.838  0.162  0.750  1.0
  Tb  Tb3  1  0.325  0.162  0.750  1.0
  Tb  Tb4  1  0.838  0.675  0.750  1.0
  Tb  Tb5  1  0.162  0.838  0.250  1.0
  Tb  Tb6  1  0.675  0.838  0.250  1.0
  Tb  Tb7  1  0.162  0.325  0.250  1.0
[/CIF]
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The structure described by Tb3La is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to eight Tb(1,1) and four equivalent La(1) atoms to form TbLa4Tb8 cuboctahedra that share corners with four equivalent La(1)Tb12 cuboctahedra; corners with fourteen Tb(1,1)La4Tb8 cuboctahedra; edges with six equivalent La(1)Tb12 cuboctahedra; edges with twelve Tb(1,1)La4Tb8 cuboctahedra; faces with four equivalent La(1)Tb12 cuboctahedra; and faces with sixteen Tb(1,1)La4Tb8 cuboctahedra. In the second Tb site, Tb(1) is bonded to eight Tb(1,1) and four equivalent La(1) atoms to form TbLa4Tb8 cuboctahedra that share corners with four equivalent La(1)Tb12 cuboctahedra; corners with fourteen Tb(1,1)La4Tb8 cuboctahedra; edges with six equivalent La(1)Tb12 cuboctahedra; edges with twelve Tb(1,1)La4Tb8 cuboctahedra; faces with four equivalent La(1)Tb12 cuboctahedra; and faces with sixteen Tb(1,1)La4Tb8 cuboctahedra. La(1) is bonded to twelve Tb(1,1) atoms to form LaTb12 cuboctahedra that share corners with six equivalent La(1)Tb12 cuboctahedra; corners with twelve Tb(1,1)La4Tb8 cuboctahedra; edges with eighteen Tb(1,1)La4Tb8 cuboctahedra; faces with eight equivalent La(1)Tb12 cuboctahedra; and faces with twelve Tb(1,1)La4Tb8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_LaTb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.374
_cell_length_b   7.374
_cell_length_c   5.895
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   277.609
_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
  La  La0  1  0.667  0.333  0.250  1.0
  La  La1  1  0.333  0.667  0.750  1.0
  Tb  Tb2  1  0.838  0.162  0.750  1.0
  Tb  Tb3  1  0.325  0.162  0.750  1.0
  Tb  Tb4  1  0.838  0.675  0.750  1.0
  Tb  Tb5  1  0.162  0.838  0.250  1.0
  Tb  Tb6  1  0.675  0.838  0.250  1.0
  Tb  Tb7  1  0.162  0.325  0.250  1.0
[/CIF]
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