data_SiAsOs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.74
_cell_length_b   4.74
_cell_length_c   4.74
_cell_angle_alpha   131.65
_cell_angle_beta   131.65
_cell_angle_gamma   70.78
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAsOs2
_chemical_formula_sum   'Si1 As1 Os2'
_cell_volume   58.27
_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
  Si  Si3  1  0.0  0.0  0.0  1.0
  As  As0  1  0.94  0.0  0.93  1.0
  Os  Os1  1  0.0  0.0  0.86  1.0
  Os  Os2  1  0.0  0.94  0.93  1.0

data_SiAsOs2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.88
_cell_length_b   3.88
_cell_length_c   4.74
_cell_angle_alpha   114.18
_cell_angle_beta   114.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAsOs2
_chemical_formula_sum   'Si1 As1 Os2'
_cell_volume   58.27
_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
  Si  Si0  1  0.0  0.0  0.0  1.0
  As  As1  1  0.93  0.99  0.99  1.0
  Os  Os2  1  0.86  0.86  0.86  1.0
  Os  Os3  1  0.99  0.93  0.99  1.0

Si As Os Os