data_Y2OsSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.02
_cell_length_b   6.02
_cell_length_c   6.02
_cell_angle_alpha   140.71
_cell_angle_beta   140.71
_cell_angle_gamma   56.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2OsSe
_chemical_formula_sum   'Y2 Os1 Se1'
_cell_volume   86.91
_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  Y2  1  0.02  0.0  0.65  1.0
  Y  Y3  1  0.0  0.0  0.3  1.0
  Os  Os0  1  0.0  0.02  0.65  1.0
  Se  Se1  1  0.0  0.0  0.0  1.0

data_Y2OsSe
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.05
_cell_length_b   4.05
_cell_length_c   6.02
_cell_angle_alpha   109.64
_cell_angle_beta   109.64
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2OsSe
_chemical_formula_sum   'Y2 Os1 Se1'
_cell_volume   86.91
_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  0.3  0.3  0.3  1.0
  Y  Y1  1  0.65  0.62  0.62  1.0
  Os  Os2  1  0.62  0.65  0.62  1.0
  Se  Se3  1  0.0  0.0  0.0  1.0

Y Y Os Se