data_[Sr2Eu2Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Eu  1.2000  1.8500  1.1985
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [P-6m2]
_cell_length_a [4.0541]
_cell_length_b [4.0541]
_cell_length_c [15.0302]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [SrEuNi2]
_chemical_formula_sum '[Sr2 Eu2 Ni4]'
_cell_volume [213.9363]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.3646  1
  Eu  Eu1  2  0.3333  0.6667  0.1216  1
  Ni  Ni2  1  0.0000  0.0000  0.0000  1
  Ni  Ni3  1  0.3333  0.6667  0.5000  1
  Ni  Ni4  1  0.6667  0.3333  0.0000  1
  Ni  Ni5  1  0.6667  0.3333  0.5000  1
]