data_Eu5Sb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.92
_cell_length_b   9.9
_cell_length_c   8.53
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu5Sb3
_chemical_formula_sum   'Eu20 Sb12'
_cell_volume   1090.57
_cell_formula_units_Z   4
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
  Eu  Eu0  1  0.87  0.42  0.31  1.0
  Eu  Eu1  1  0.78  0.47  0.33  1.0
  Eu  Eu2  1  0.52  0.42  0.55  1.0
  Eu  Eu3  1  0.46  0.38  0.66  1.0
  Eu  Eu4  1  0.46  0.56  0.66  1.0
  Eu  Eu5  1  1.0  0.38  0.6  1.0
  Eu  Eu6  1  1.0  0.56  0.6  1.0
  Eu  Eu7  1  0.98  0.42  0.72  1.0
  Eu  Eu8  1  0.24  0.47  0.93  1.0
  Eu  Eu9  1  0.42  0.42  0.95  1.0
  Eu  Eu10  1  0.5  0.47  0.58  1.0
  Eu  Eu11  1  0.68  0.42  0.6  1.0
  Eu  Eu12  1  0.93  0.47  0.81  1.0
  Eu  Eu13  1  0.92  0.33  0.93  1.0
  Eu  Eu14  1  0.92  0.51  0.93  1.0
  Eu  Eu15  1  0.46  0.33  0.87  1.0
  Eu  Eu16  1  0.46  0.51  0.87  1.0
  Eu  Eu17  1  0.39  0.47  0.98  1.0
  Eu  Eu18  1  0.14  0.42  0.2  1.0
  Eu  Eu19  1  0.04  0.47  0.22  1.0
  Sb  Sb20  1  0.7  0.1  0.53  1.0
  Sb  Sb21  1  0.7  0.85  0.53  1.0
  Sb  Sb22  1  0.65  0.42  0.63  1.0
  Sb  Sb23  1  0.19  0.42  0.63  1.0
  Sb  Sb24  1  0.24  0.1  0.73  1.0
  Sb  Sb25  1  0.24  0.85  0.73  1.0
  Sb  Sb26  1  0.68  0.05  0.8  1.0
  Sb  Sb27  1  0.68  0.8  0.8  1.0
  Sb  Sb28  1  0.72  0.47  0.9  1.0
  Sb  Sb29  1  0.27  0.47  0.9  1.0
  Sb  Sb30  1  0.22  0.05  1.0  1.0
  Sb  Sb31  1  0.22  0.8  1.0  1.0

data_Eu5Sb3
_symmetry_space_group_name_H-M   P-1
_cell_length_a   8.53
_cell_length_b   9.9
_cell_length_c   12.92
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Eu5Sb3
_chemical_formula_sum   'Eu20 Sb12'
_cell_volume   1090.57
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Eu  Eu0  2  0.05  0.53  0.98  1.0
  Eu  Eu1  2  0.1  0.38  0.5  1.0
  Eu  Eu2  2  0.1  0.56  0.5  1.0
  Eu  Eu3  2  0.16  0.38  0.96  1.0
  Eu  Eu4  2  0.16  0.56  0.96  1.0
  Eu  Eu5  2  0.17  0.53  0.28  1.0
  Eu  Eu6  2  0.19  0.47  0.46  1.0
  Eu  Eu7  2  0.22  0.53  0.43  1.0
  Eu  Eu8  2  0.43  0.47  0.18  1.0
  Eu  Eu9  2  0.45  0.53  0.08  1.0
  Sb  Sb10  2  0.03  0.1  0.72  1.0
  Sb  Sb11  2  0.03  0.85  0.72  1.0
  Sb  Sb12  2  0.13  0.53  0.31  1.0
  Sb  Sb13  2  0.13  0.53  0.77  1.0
  Sb  Sb14  2  0.23  0.1  0.26  1.0
  Sb  Sb15  2  0.23  0.85  0.26  1.0

Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Sb Sb Sb Sb Sb Sb Sb Sb Sb Sb Sb Sb
Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Eu Sb Sb Sb Sb Sb Sb Sb Sb Sb Sb Sb Sb 0 1 o o o 2 10 o o o 2 3 o o o 3 10 o o o 4 10 o o o 5 7 o o o 5 6 o o o 5 23 + o o 6 7 o o o 6 23 + o o 7 12 o o o 7 23 + o o 8 29 o o o 8 23 o o o 9 17 o o o 9 15 o o o 9 16 o o o 11 22 o o o 11 28 o o o 12 14 o o o 12 13 o o o 12 28 o o o 13 14 o o o 13 28 o o o 14 28 o o o 16 17 o o o 18 19 o o o 20 26 o o o 20 21 o - o 21 27 o o o 22 28 o o o 23 29 o o o 24 30 o o o 24 25 o - o 25 31 o o o 26 27 o - o 30 31 o - o 
Eu5Sb3 crystallizes in the triclinic P-1 space group. There are ten inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 1-coordinate geometry to one Eu(2) atom. The Eu(1)-Eu(2) bond length is 1.32 Å. In the second Eu site, Eu(2) is bonded in a distorted single-bond geometry to one Eu(1), one Eu(9), and one Sb(4) atom. The Eu(2)-Eu(9) bond length is 2.68 Å. The Eu(2)-Sb(4) bond length is 3.76 Å. In the third Eu site, Eu(3) is bonded in a water-like geometry to one Eu(10) and one Sb(3) atom. The Eu(3)-Eu(10) bond length is 0.64 Å. The Eu(3)-Sb(3) bond length is 1.80 Å. In the fourth Eu site, Eu(4) is bonded in a 2-coordinate geometry to one Eu(10), one Eu(5), and one Sb(5) atom. The Eu(4)-Eu(10) bond length is 1.28 Å. The Eu(4)-Eu(5) bond length is 1.81 Å. The Eu(4)-Sb(5) bond length is 4.02 Å. In the fifth Eu site, Eu(5) is bonded in a 2-coordinate geometry to one Eu(10), one Eu(4), one Sb(5), and one Sb(6) atom. The Eu(5)-Eu(10) bond length is 1.28 Å. The Eu(5)-Sb(5) bond length is 3.81 Å. The Eu(5)-Sb(6) bond length is 4.02 Å. In the sixth Eu site, Eu(6) is bonded in a 3-coordinate geometry to one Eu(7), one Eu(8), and one Sb(4) atom. The Eu(6)-Eu(7) bond length is 1.76 Å. The Eu(6)-Eu(8) bond length is 1.07 Å. The Eu(6)-Sb(4) bond length is 2.54 Å. In the seventh Eu site, Eu(7) is bonded in a 3-coordinate geometry to one Eu(6), one Eu(8), and one Sb(4) atom. The Eu(7)-Eu(8) bond length is 1.72 Å. The Eu(7)-Sb(4) bond length is 2.87 Å. In the eighth Eu site, Eu(8) is bonded in a 2-coordinate geometry to one Eu(6), one Eu(7), and one Eu(8) atom. The Eu(8)-Eu(8) bond length is 1.17 Å. In the ninth Eu site, Eu(9) is bonded in a single-bond geometry to one Eu(2), one Sb(1), and one Sb(3) atom. The Eu(9)-Sb(1) bond length is 3.26 Å. The Eu(9)-Sb(3) bond length is 0.45 Å. In the tenth Eu site, Eu(10) is bonded in a 4-coordinate geometry to one Eu(3), one Eu(4), one Eu(5), and one Sb(3) atom. The Eu(10)-Sb(3) bond length is 2.07 Å. There are six inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 2-coordinate geometry to one Eu(9), one Sb(2), and one Sb(6) atom. The Sb(1)-Sb(2) bond length is 2.46 Å. The Sb(1)-Sb(6) bond length is 2.35 Å. In the second Sb site, Sb(2) is bonded in a distorted water-like geometry to one Sb(1) and one Sb(5) atom. The Sb(2)-Sb(5) bond length is 2.35 Å. In the third Sb site, Sb(3) is bonded in a distorted single-bond geometry to one Eu(10), one Eu(3), and one Eu(9) atom. In the fourth Sb site, Sb(4) is bonded in a 1-coordinate geometry to one Eu(2), one Eu(6), one Eu(7), and one Sb(5) atom. The Sb(4)-Sb(5) bond length is 3.37 Å. In the fifth Sb site, Sb(5) is bonded in a 5-coordinate geometry to one Eu(4), one Eu(5), one Sb(2), one Sb(4), and one Sb(6) atom. The Sb(5)-Sb(6) bond length is 2.46 Å. In the sixth Sb site, Sb(6) is bonded in a 3-coordinate geometry to one Eu(5), one Sb(1), and one Sb(5) atom.