data_[Eu4Al2Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Al  1.6100  1.2500  0.6750
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [3.9630]
_cell_length_b [13.0536]
_cell_length_c [4.1244]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Eu2AlNi2]
_chemical_formula_sum '[Eu4 Al2 Ni4]'
_cell_volume [213.3627]
_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  Eu0  4  0.0000  0.3673  0.5000  1
  Al  Al1  2  0.0000  0.0000  0.0000  1
  Ni  Ni2  4  0.0000  0.1936  0.0000  1
]