data_Na2ZnOs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.68
_cell_length_b   5.22
_cell_length_c   4.9
_cell_angle_alpha   90.0
_cell_angle_beta   93.9
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnOs
_chemical_formula_sum   'Na2 Zn1 Os1'
_cell_volume   68.36
_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  0.36  0.61  0.62  1.0
  Na  Na1  1  0.98  0.61  0.27  1.0
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Os  Os2  1  0.17  0.0  0.44  1.0

data_Na2ZnOs
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.68
_cell_length_b   4.9
_cell_length_c   5.22
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.9
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnOs
_chemical_formula_sum   'Na2 Zn1 Os1'
_cell_volume   68.36
_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  0.02  0.73  0.39  1.0
  Na  Na1  1  0.64  0.38  0.39  1.0
  Zn  Zn2  1  0.0  0.0  0.0  1.0
  Os  Os3  1  0.83  0.56  0.0  1.0

Na Na Zn Os