data_[Eu2Ni4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Ni  1.9100  1.3500  0.7400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [4.8849]
_cell_length_b [5.4922]
_cell_length_c [18.5726]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [EuNi2N3]
_chemical_formula_sum '[Eu2 Ni4 N6]'
_cell_volume [498.2744]
_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  2  0.2238  0.5000  0.4495  1
  Ni  Ni1  4  0.4863  0.2507  0.5866  1
  N  N2  4  0.2229  0.1085  0.3950  1
  N  N3  2  0.2357  0.5000  0.5874  1
]