data_NaSr2Ga
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.81
_cell_length_b   5.81
_cell_length_c   4.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSr2Ga
_chemical_formula_sum   'Na1 Sr2 Ga1'
_cell_volume   137.68
_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  Na1  1  0.0  0.0  0.0  1.0
  Sr  Sr2  1  0.04  0.07  0.04  1.0
  Sr  Sr3  1  0.04  0.93  0.04  1.0
  Ga  Ga0  1  0.09  0.0  0.0  1.0

data_NaSr2Ga
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.08
_cell_length_b   5.81
_cell_length_c   5.81
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   NaSr2Ga
_chemical_formula_sum   'Na1 Sr2 Ga1'
_cell_volume   137.69
_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  0.04  0.07  0.04  1.0
  Ga  Ga2  1  0.0  0.0  0.09  1.0

Na Sr Sr Ga
Na Sr Sr Ga 0 2 o - o 0 3 o o o 0 1 o o o 1 3 o o o 2 3 o + o 