data_EuAl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.01
_cell_length_b   6.01
_cell_length_c   5.97
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   EuAl2
_chemical_formula_sum   'Eu2 Al4'
_cell_volume   215.85
_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
  Eu  Eu4  1  0.0  0.0  0.0  1.0
  Eu  Eu5  1  0.01  0.01  0.98  1.0
  Al  Al0  1  0.11  0.11  0.0  1.0
  Al  Al1  1  0.9  0.9  0.0  1.0
  Al  Al2  1  0.12  0.89  0.98  1.0
  Al  Al3  1  0.89  0.12  0.98  1.0

data_EuAl2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   8.5
_cell_length_b   8.5
_cell_length_c   5.97
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   EuAl2
_chemical_formula_sum   'Eu4 Al8'
_cell_volume   431.71
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.0  0.0  0.0  1.0
  Eu  Eu1  2  0.01  0.0  0.98  1.0
  Al  Al2  4  0.01  0.11  0.98  1.0
  Al  Al3  2  0.11  0.0  0.0  1.0
  Al  Al4  2  0.4  0.5  0.0  1.0

Eu Eu Al Al Al Al
Eu Eu Al Al Al Al 0 1 o o - 0 2 o o o 0 3 - - o 0 4 o - - 0 5 - o - 1 2 o o + 1 3 - - + 1 4 o - o 1 5 - o o 