The material described by Tb2Ce is alpha Samarium-derived structured and crystallizes in the trigonal R-3m space group. Tb(1) is bonded to nine equivalent Tb(1) and three equivalent Ce(1) atoms to form TbTb9Ce3 cuboctahedra that share corners with six equivalent Ce(1)Tb6Ce6 cuboctahedra, corners with nine equivalent Tb(1)Tb9Ce3 cuboctahedra, edges with six equivalent Ce(1)Tb6Ce6 cuboctahedra, edges with fifteen equivalent Tb(1)Tb9Ce3 cuboctahedra, faces with seven equivalent Ce(1)Tb6Ce6 cuboctahedra, and faces with twelve equivalent Tb(1)Tb9Ce3 cuboctahedra. Ce(1) is bonded to six equivalent Tb(1) and six equivalent Ce(1) atoms to form CeTb6Ce6 cuboctahedra that share corners with six equivalent Ce(1)Tb6Ce6 cuboctahedra, corners with twelve equivalent Tb(1)Tb9Ce3 cuboctahedra, edges with six equivalent Ce(1)Tb6Ce6 cuboctahedra, edges with twelve equivalent Tb(1)Tb9Ce3 cuboctahedra, faces with six equivalent Ce(1)Tb6Ce6 cuboctahedra, and faces with fourteen equivalent Tb(1)Tb9Ce3 cuboctahedra. is represented by the CIF card [CIF]
data_Tb2Ce
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.835
_cell_length_b   8.835
_cell_length_c   8.835
_cell_angle_alpha   23.638
_cell_angle_beta   23.638
_cell_angle_gamma   23.638
_symmetry_Int_Tables_number   1
_cell_volume   97.394
_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
  Tb  Tb0  1  0.778  0.778  0.778  1.0
  Tb  Tb1  1  0.222  0.222  0.222  1.0
  Ce  Ce2  1  0.000  0.000  0.000  1.0
[/CIF]
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The material described by Tb2Ce is alpha Samarium-derived structured and crystallizes in the trigonal R-3m space group. Tb(1) is bonded to nine equivalent Tb(1) and three equivalent Ce(1) atoms to form TbTb9Ce3 cuboctahedra that share corners with six equivalent Ce(1)Tb6Ce6 cuboctahedra, corners with nine equivalent Tb(1)Tb9Ce3 cuboctahedra, edges with six equivalent Ce(1)Tb6Ce6 cuboctahedra, edges with fifteen equivalent Tb(1)Tb9Ce3 cuboctahedra, faces with seven equivalent Ce(1)Tb6Ce6 cuboctahedra, and faces with twelve equivalent Tb(1)Tb9Ce3 cuboctahedra. Ce(1) is bonded to six equivalent Tb(1) and six equivalent Ce(1) atoms to form CeTb6Ce6 cuboctahedra that share corners with six equivalent Ce(1)Tb6Ce6 cuboctahedra, corners with twelve equivalent Tb(1)Tb9Ce3 cuboctahedra, edges with six equivalent Ce(1)Tb6Ce6 cuboctahedra, edges with twelve equivalent Tb(1)Tb9Ce3 cuboctahedra, faces with six equivalent Ce(1)Tb6Ce6 cuboctahedra, and faces with fourteen equivalent Tb(1)Tb9Ce3 cuboctahedra. is represented by the CIF card [CIF]
data_Tb2Ce
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.835
_cell_length_b   8.835
_cell_length_c   8.835
_cell_angle_alpha   23.638
_cell_angle_beta   23.638
_cell_angle_gamma   23.638
_symmetry_Int_Tables_number   1
_cell_volume   97.394
_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
  Tb  Tb0  1  0.778  0.778  0.778  1.0
  Tb  Tb1  1  0.222  0.222  0.222  1.0
  Ce  Ce2  1  0.000  0.000  0.000  1.0
[/CIF]
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