data_BeW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.24
_cell_length_b   2.68
_cell_length_c   4.42
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeW
_chemical_formula_sum   'Be2 W2'
_cell_volume   50.33
_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
  Be  Be0  1  0.18  0.0  0.95  1.0
  Be  Be1  1  0.06  0.0  0.47  1.0
  W  W2  1  0.18  0.34  0.79  1.0
  W  W3  1  0.06  0.34  0.63  1.0

data_BeW
_symmetry_space_group_name_H-M   P2
_cell_length_a   4.24
_cell_length_b   2.68
_cell_length_c   4.42
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   3
_chemical_formula_structural   BeW
_chemical_formula_sum   'Be2 W2'
_cell_volume   50.33
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.06  0.0  0.74  1.0
  W  W1  2  0.06  0.34  0.58  1.0

Be Be W W
Be Be W W 0 2 o o o 1 3 o o o 2 3 o o o 