The material described by Tm3Er is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. Tm(1) is bonded to eight equivalent Tm(1) and four equivalent Er(1) atoms to form TmEr4Tm8 cuboctahedra that share corners with four equivalent Er(1)Tm12 cuboctahedra, corners with fourteen equivalent Tm(1)Er4Tm8 cuboctahedra, edges with six equivalent Er(1)Tm12 cuboctahedra, edges with twelve equivalent Tm(1)Er4Tm8 cuboctahedra, faces with four equivalent Er(1)Tm12 cuboctahedra, and faces with sixteen equivalent Tm(1)Er4Tm8 cuboctahedra. Er(1) is bonded to twelve equivalent Tm(1) atoms to form ErTm12 cuboctahedra that share corners with six equivalent Er(1)Tm12 cuboctahedra, corners with twelve equivalent Tm(1)Er4Tm8 cuboctahedra, edges with eighteen equivalent Tm(1)Er4Tm8 cuboctahedra, faces with eight equivalent Er(1)Tm12 cuboctahedra, and faces with twelve equivalent Tm(1)Er4Tm8 cuboctahedra. is represented by the CIF file [CIF]
data_ErTm3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.064
_cell_length_b   7.064
_cell_length_c   5.686
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   245.693
_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
  Er  Er0  1  0.333  0.667  0.750  1.0
  Er  Er1  1  0.667  0.333  0.250  1.0
  Tm  Tm2  1  0.166  0.333  0.250  1.0
  Tm  Tm3  1  0.667  0.834  0.250  1.0
  Tm  Tm4  1  0.166  0.834  0.250  1.0
  Tm  Tm5  1  0.834  0.667  0.750  1.0
  Tm  Tm6  1  0.333  0.166  0.750  1.0
  Tm  Tm7  1  0.834  0.166  0.750  1.0
[/CIF]
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The material described by Tm3Er is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. Tm(1) is bonded to eight equivalent Tm(1) and four equivalent Er(1) atoms to form TmEr4Tm8 cuboctahedra that share corners with four equivalent Er(1)Tm12 cuboctahedra, corners with fourteen equivalent Tm(1)Er4Tm8 cuboctahedra, edges with six equivalent Er(1)Tm12 cuboctahedra, edges with twelve equivalent Tm(1)Er4Tm8 cuboctahedra, faces with four equivalent Er(1)Tm12 cuboctahedra, and faces with sixteen equivalent Tm(1)Er4Tm8 cuboctahedra. Er(1) is bonded to twelve equivalent Tm(1) atoms to form ErTm12 cuboctahedra that share corners with six equivalent Er(1)Tm12 cuboctahedra, corners with twelve equivalent Tm(1)Er4Tm8 cuboctahedra, edges with eighteen equivalent Tm(1)Er4Tm8 cuboctahedra, faces with eight equivalent Er(1)Tm12 cuboctahedra, and faces with twelve equivalent Tm(1)Er4Tm8 cuboctahedra. is represented by the CIF file [CIF]
data_ErTm3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.064
_cell_length_b   7.064
_cell_length_c   5.686
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   245.693
_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
  Er  Er0  1  0.333  0.667  0.750  1.0
  Er  Er1  1  0.667  0.333  0.250  1.0
  Tm  Tm2  1  0.166  0.333  0.250  1.0
  Tm  Tm3  1  0.667  0.834  0.250  1.0
  Tm  Tm4  1  0.166  0.834  0.250  1.0
  Tm  Tm5  1  0.834  0.667  0.750  1.0
  Tm  Tm6  1  0.333  0.166  0.750  1.0
  Tm  Tm7  1  0.834  0.166  0.750  1.0
[/CIF]
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