data_[Mg4Be2W2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Be  1.5700  1.0500  0.5900
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.5635]
_cell_length_b [4.2593]
_cell_length_c [8.5682]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Mg2BeW]
_chemical_formula_sum '[Mg4 Be2 W2]'
_cell_volume [130.0513]
_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
[
  Mg  Mg0  2  0.0000  0.0000  0.0407  1
  Mg  Mg1  2  0.0000  0.5000  0.7281  1
  Be  Be2  2  0.0000  0.5000  0.2667  1
  W  W3  2  0.0000  0.0000  0.4646  1
]