data_NaSr2Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.87
_cell_length_b   5.87
_cell_length_c   4.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.74
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSr2Zn
_chemical_formula_sum   'Na1 Sr2 Zn1'
_cell_volume   144.11
_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
  Sr  Sr1  1  0.06  0.09  0.09  1.0
  Sr  Sr2  1  0.06  0.91  0.09  1.0
  Zn  Zn3  1  0.13  0.0  0.0  1.0

data_NaSr2Zn
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.18
_cell_length_b   5.87
_cell_length_c   5.87
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   NaSr2Zn
_chemical_formula_sum   'Na1 Sr2 Zn1'
_cell_volume   144.12
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  Sr  Sr1  2  0.09  0.09  0.06  1.0
  Zn  Zn2  1  0.0  0.0  0.13  1.0

Na Sr Sr Zn