data_Na2YSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.38
_cell_length_b   5.38
_cell_length_c   5.38
_cell_angle_alpha   120.9
_cell_angle_beta   120.9
_cell_angle_gamma   88.45
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2YSb
_chemical_formula_sum   'Na2 Y1 Sb1'
_cell_volume   108.4
_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  0.0  0.65  0.93  1.0
  Na  Na1  1  0.0  0.0  0.0  1.0
  Y  Y3  1  0.0  0.0  0.85  1.0
  Sb  Sb2  1  0.65  0.0  0.93  1.0

data_Na2YSb
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.3
_cell_length_b   5.3
_cell_length_c   5.38
_cell_angle_alpha   119.55
_cell_angle_beta   119.55
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2YSb
_chemical_formula_sum   'Na2 Y1 Sb1'
_cell_volume   108.4
_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  0.0  0.0  0.0  1.0
  Na  Na1  1  0.27  0.93  0.27  1.0
  Y  Y2  1  0.85  0.85  0.85  1.0
  Sb  Sb3  1  0.93  0.27  0.27  1.0

Na Na Y Sb