data_Be2SiW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.69
_cell_length_b   3.84
_cell_length_c   4.59
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SiW
_chemical_formula_sum   'Be2 Si1 W1'
_cell_volume   47.31
_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
  Be  Be0  1  0.0  0.92  0.24  1.0
  Be  Be1  1  0.0  0.92  0.34  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  W  W3  1  0.34  0.0  0.29  1.0

data_Be2SiW
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.69
_cell_length_b   3.84
_cell_length_c   4.59
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SiW
_chemical_formula_sum   'Be2 Si1 W1'
_cell_volume   47.31
_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
  Be  Be0  1  0.0  0.92  0.24  1.0
  Be  Be1  1  0.0  0.92  0.34  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  W  W3  1  0.34  0.0  0.29  1.0

Be Be Si W
Be Be Si W 0 1 o o o 0 2 o + o 0 3 o + o 1 3 o + o 