data_NaSr2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.85
_cell_length_b   8.85
_cell_length_c   8.85
_cell_angle_alpha   32.36
_cell_angle_beta   32.36
_cell_angle_gamma   32.36
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSr2Ge
_chemical_formula_sum   'Na1 Sr2 Ge1'
_cell_volume   176.25
_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  0.0  0.0  0.54  1.0
  Sr  Sr3  1  0.0  0.0  0.58  1.0
  Ge  Ge0  1  0.0  0.0  0.56  1.0

data_NaSr2Ge
_symmetry_space_group_name_H-M   Cm
_cell_length_a   8.54
_cell_length_b   4.93
_cell_length_c   8.85
_cell_angle_alpha   90.0
_cell_angle_beta   108.77
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NaSr2Ge
_chemical_formula_sum   'Na2 Sr4 Ge2'
_cell_volume   352.5
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.0  1.0
  Sr  Sr1  2  -0.0  0.0  0.42  1.0
  Sr  Sr2  2  -0.0  0.0  0.46  1.0
  Ge  Ge3  2  -0.0  0.0  0.44  1.0

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