data_YSi2Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.4
_cell_length_b   5.4
_cell_length_c   5.4
_cell_angle_alpha   146.82
_cell_angle_beta   119.99
_cell_angle_gamma   70.31
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YSi2Os
_chemical_formula_sum   'Y1 Si2 Os1'
_cell_volume   73.69
_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
  Y  Y3  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.0  0.7  0.88  1.0
  Si  Si2  1  0.54  0.0  0.54  1.0
  Os  Os0  1  0.0  0.0  0.42  1.0

data_YSi2Os
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.09
_cell_length_b   5.4
_cell_length_c   5.4
_cell_angle_alpha   60.01
_cell_angle_beta   73.41
_cell_angle_gamma   73.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YSi2Os
_chemical_formula_sum   'Y1 Si2 Os1'
_cell_volume   73.69
_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
  Y  Y0  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.0  0.46  0.54  1.0
  Si  Si2  1  0.7  -0.0  0.18  1.0
  Os  Os3  1  0.0  -0.0  0.42  1.0

Y Si Si Os