data_Al2SiOs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.06
_cell_length_b   4.99
_cell_length_c   4.99
_cell_angle_alpha   35.92
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al2SiOs
_chemical_formula_sum   'Al2 Si1 Os1'
_cell_volume   59.35
_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
  Al  Al0  1  0.03  0.0  0.34  1.0
  Al  Al1  1  0.0  0.0  0.74  1.0
  Si  Si3  1  0.0  0.0  0.23  1.0
  Os  Os2  1  0.03  0.0  0.93  1.0

data_Al2SiOs
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.08
_cell_length_b   4.06
_cell_length_c   4.99
_cell_angle_alpha   90.0
_cell_angle_beta   107.96
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al2SiOs
_chemical_formula_sum   'Al2 Si1 Os1'
_cell_volume   59.35
_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
  Al  Al0  1  0.26  0.0  0.26  1.0
  Al  Al1  1  0.66  0.03  0.66  1.0
  Si  Si2  1  0.77  0.0  0.77  1.0
  Os  Os3  1  0.07  0.03  0.07  1.0

Al Al Si Os
Al Al Si Os 0 2 o o o 1 3 o o o 