data_[Ac1Eu1B4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Eu  1.2000  1.8500  1.1985
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [P6/mmm]
_cell_length_a [3.2971]
_cell_length_b [3.2971]
_cell_length_c [8.8566]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [191]
_chemical_formula_structural [AcEuB4]
_chemical_formula_sum '[Ac1 Eu1 B4]'
_cell_volume [83.3813]
_cell_formula_units_Z [1]
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
[
  Ac  Ac0  1  0.0000  0.0000  0.0000  1
  Eu  Eu1  1  0.0000  0.0000  0.5000  1
  B  B2  4  0.3333  0.6667  0.2594  1
]