data_[Y4Be2Ni2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Be  1.5700  1.0500  0.5900
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.1555]
_cell_length_b [3.8405]
_cell_length_c [10.2471]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Y2BeNi]
_chemical_formula_sum '[Y4 Be2 Ni2]'
_cell_volume [163.5358]
_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
[
  Y  Y0  2  0.0000  0.0000  0.9838  1.0
  Y  Y1  2  0.5000  0.0000  0.2654  1.0
  Be  Be2  2  0.0000  0.0000  0.6833  1.0
  Ni  Ni3  2  0.5000  0.0000  0.5717  1.0
]