data_Na2POs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.04
_cell_length_b   4.82
_cell_length_c   4.63
_cell_angle_alpha   90.0
_cell_angle_beta   93.41
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2POs
_chemical_formula_sum   'Na2 P1 Os1'
_cell_volume   67.73
_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
  Na  Na0  1  0.35  0.41  0.46  1.0
  Na  Na1  1  0.41  0.41  0.16  1.0
  P  P3  1  0.0  0.0  0.0  1.0
  Os  Os2  1  0.86  0.0  0.31  1.0

data_Na2POs
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.04
_cell_length_b   4.63
_cell_length_c   4.82
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2POs
_chemical_formula_sum   'Na2 P1 Os1'
_cell_volume   67.73
_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
  Na  Na0  1  0.59  0.84  0.59  1.0
  Na  Na1  1  0.65  0.54  0.59  1.0
  P  P2  1  0.0  0.0  0.0  1.0
  Os  Os3  1  0.14  0.69  0.0  1.0

Na Na P Os