The material described by GdSm3 is Magnesium-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Gd sites. In the first Gd site, Gd(1) is bonded to two equivalent Sm(2); two equivalent Sm(4); four equivalent Sm(1); and four Sm(3,3) atoms to form GdSm12 cuboctahedra that share corners with four equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with six equivalent Gd(1)Sm12 cuboctahedra; corners with eight Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four Sm(3,3)Sm8Gd4 cuboctahedra; edges with eight Sm(1,1)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four equivalent Sm(1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Gd(2)Sm12 cuboctahedra. In the second Gd site, Gd(2) is bonded to two equivalent Sm(2); two equivalent Sm(4); four Sm(1,1); and four Sm(3,3) atoms to form GdSm12 cuboctahedra that share corners with four equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with six equivalent Gd(2)Sm12 cuboctahedra; corners with eight Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four Sm(1,1)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with eight Sm(3,3)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Gd(1)Sm12 cuboctahedra. There are six inequivalent Sm sites. In the first Sm site, Sm(1) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(2)Sm12 cuboctahedra; corners with four equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with ten Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(2)Sm12 cuboctahedra; edges with two equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(1)Sm12 cuboctahedra; edges with four equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four equivalent Sm(1)Sm8Gd4 cuboctahedra; and faces with eight Sm(3,3)Sm8Gd4 cuboctahedra. In the second Sm site, Sm(2) is bonded to two equivalent Gd(1); two equivalent Gd(2); four Sm(1,1); and four Sm(3,3) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(2)Sm12 cuboctahedra; corners with six equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with eight Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(2)Sm12 cuboctahedra; edges with four equivalent Gd(1)Sm12 cuboctahedra; edges with four Sm(1,1)Sm8Gd4 cuboctahedra; edges with eight Sm(3,3)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Sm(4)Sm8Gd4 cuboctahedra. In the third Sm site, Sm(3) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(1)Sm12 cuboctahedra; corners with four equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with ten Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(1)Sm12 cuboctahedra; edges with two equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(2)Sm12 cuboctahedra; edges with four equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with eight Sm(1,1)Sm8Gd4 cuboctahedra. In the fourth Sm site, Sm(4) is bonded to two equivalent Gd(1); two equivalent Gd(2); four Sm(1,1); and four Sm(3,3) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(1)Sm12 cuboctahedra; corners with six equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with eight Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(1)Sm12 cuboctahedra; edges with four equivalent Gd(2)Sm12 cuboctahedra; edges with four Sm(3,3)Sm8Gd4 cuboctahedra; edges with eight Sm(1,1)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Sm(2)Sm8Gd4 cuboctahedra. In the fifth Sm site, Sm(3) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(1)Sm12 cuboctahedra; corners with four equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with ten Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(1)Sm12 cuboctahedra; edges with two equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(2)Sm12 cuboctahedra; edges with four equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with eight equivalent Sm(1)Sm8Gd4 cuboctahedra. In the sixth Sm site, Sm(1) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(2)Sm12 cuboctahedra; corners with four equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with ten Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(2)Sm12 cuboctahedra; edges with two equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(1)Sm12 cuboctahedra; edges with four equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; and faces with eight Sm(3,3)Sm8Gd4 cuboctahedra. is represented by the CIF file [CIF]
data_Sm3Gd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.345
_cell_length_b   7.353
_cell_length_c   5.878
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.006
_symmetry_Int_Tables_number   1
_cell_volume   274.920
_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
  Sm  Sm0  1  0.167  0.334  0.250  1.0
  Sm  Sm1  1  0.667  0.833  0.250  1.0
  Sm  Sm2  1  0.167  0.833  0.250  1.0
  Sm  Sm3  1  0.831  0.663  0.750  1.0
  Sm  Sm4  1  0.337  0.168  0.750  1.0
  Sm  Sm5  1  0.831  0.168  0.750  1.0
  Gd  Gd6  1  0.332  0.666  0.750  1.0
  Gd  Gd7  1  0.667  0.333  0.250  1.0
[/CIF]
.
The material described by GdSm3 is Magnesium-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Gd sites. In the first Gd site, Gd(1) is bonded to two equivalent Sm(2); two equivalent Sm(4); four equivalent Sm(1); and four Sm(3,3) atoms to form GdSm12 cuboctahedra that share corners with four equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with six equivalent Gd(1)Sm12 cuboctahedra; corners with eight Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four Sm(3,3)Sm8Gd4 cuboctahedra; edges with eight Sm(1,1)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four equivalent Sm(1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Gd(2)Sm12 cuboctahedra. In the second Gd site, Gd(2) is bonded to two equivalent Sm(2); two equivalent Sm(4); four Sm(1,1); and four Sm(3,3) atoms to form GdSm12 cuboctahedra that share corners with four equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with six equivalent Gd(2)Sm12 cuboctahedra; corners with eight Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four Sm(1,1)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with eight Sm(3,3)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Gd(1)Sm12 cuboctahedra. There are six inequivalent Sm sites. In the first Sm site, Sm(1) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(2)Sm12 cuboctahedra; corners with four equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with ten Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(2)Sm12 cuboctahedra; edges with two equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(1)Sm12 cuboctahedra; edges with four equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four equivalent Sm(1)Sm8Gd4 cuboctahedra; and faces with eight Sm(3,3)Sm8Gd4 cuboctahedra. In the second Sm site, Sm(2) is bonded to two equivalent Gd(1); two equivalent Gd(2); four Sm(1,1); and four Sm(3,3) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(2)Sm12 cuboctahedra; corners with six equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with eight Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(2)Sm12 cuboctahedra; edges with four equivalent Gd(1)Sm12 cuboctahedra; edges with four Sm(1,1)Sm8Gd4 cuboctahedra; edges with eight Sm(3,3)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Sm(4)Sm8Gd4 cuboctahedra. In the third Sm site, Sm(3) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(1)Sm12 cuboctahedra; corners with four equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with ten Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(1)Sm12 cuboctahedra; edges with two equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(2)Sm12 cuboctahedra; edges with four equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with eight Sm(1,1)Sm8Gd4 cuboctahedra. In the fourth Sm site, Sm(4) is bonded to two equivalent Gd(1); two equivalent Gd(2); four Sm(1,1); and four Sm(3,3) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(1)Sm12 cuboctahedra; corners with six equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with eight Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(1)Sm12 cuboctahedra; edges with four equivalent Gd(2)Sm12 cuboctahedra; edges with four Sm(3,3)Sm8Gd4 cuboctahedra; edges with eight Sm(1,1)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with six equivalent Sm(2)Sm8Gd4 cuboctahedra. In the fifth Sm site, Sm(3) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(1)Sm12 cuboctahedra; corners with four equivalent Sm(4)Sm8Gd4 cuboctahedra; corners with ten Sm(3,3)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(1)Sm12 cuboctahedra; edges with two equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(4)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(2)Sm12 cuboctahedra; edges with four equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(3,3)Sm8Gd4 cuboctahedra; and faces with eight equivalent Sm(1)Sm8Gd4 cuboctahedra. In the sixth Sm site, Sm(1) is bonded to two equivalent Gd(1), two equivalent Gd(2), two equivalent Sm(1), two equivalent Sm(2), two equivalent Sm(3), and two equivalent Sm(4) atoms to form SmSm8Gd4 cuboctahedra that share corners with four equivalent Gd(2)Sm12 cuboctahedra; corners with four equivalent Sm(2)Sm8Gd4 cuboctahedra; corners with ten Sm(1,1)Sm8Gd4 cuboctahedra; edges with two equivalent Gd(2)Sm12 cuboctahedra; edges with two equivalent Sm(1)Sm8Gd4 cuboctahedra; edges with two equivalent Sm(2)Sm8Gd4 cuboctahedra; edges with four equivalent Gd(1)Sm12 cuboctahedra; edges with four equivalent Sm(3)Sm8Gd4 cuboctahedra; edges with four equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with two equivalent Gd(1)Sm12 cuboctahedra; faces with two equivalent Gd(2)Sm12 cuboctahedra; faces with two equivalent Sm(2)Sm8Gd4 cuboctahedra; faces with two equivalent Sm(4)Sm8Gd4 cuboctahedra; faces with four Sm(1,1)Sm8Gd4 cuboctahedra; and faces with eight Sm(3,3)Sm8Gd4 cuboctahedra. is represented by the CIF file [CIF]
data_Sm3Gd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.345
_cell_length_b   7.353
_cell_length_c   5.878
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.006
_symmetry_Int_Tables_number   1
_cell_volume   274.920
_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
  Sm  Sm0  1  0.167  0.334  0.250  1.0
  Sm  Sm1  1  0.667  0.833  0.250  1.0
  Sm  Sm2  1  0.167  0.833  0.250  1.0
  Sm  Sm3  1  0.831  0.663  0.750  1.0
  Sm  Sm4  1  0.337  0.168  0.750  1.0
  Sm  Sm5  1  0.831  0.168  0.750  1.0
  Gd  Gd6  1  0.332  0.666  0.750  1.0
  Gd  Gd7  1  0.667  0.333  0.250  1.0
[/CIF]
.