data_SiAsOs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.2
_cell_length_b   5.2
_cell_length_c   5.2
_cell_angle_alpha   147.84
_cell_angle_beta   126.11
_cell_angle_gamma   64.16
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAsOs2
_chemical_formula_sum   'Si1 As1 Os2'
_cell_volume   59.88
_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  0.0  0.0  0.41  1.0
  Os  Os1  1  0.44  0.0  0.92  1.0
  Os  Os2  1  0.0  0.36  0.49  1.0

data_SiAsOs2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.88
_cell_length_b   4.71
_cell_length_c   5.2
_cell_angle_alpha   116.95
_cell_angle_beta   106.08
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAsOs2
_chemical_formula_sum   'Si1 As1 Os2'
_cell_volume   59.88
_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  0.0  0.41  0.41  1.0
  Os  Os2  1  0.0  0.92  0.48  1.0
  Os  Os3  1  0.64  0.13  0.13  1.0

Si As Os Os