data_SrZnSi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.37
_cell_length_b   5.37
_cell_length_c   5.37
_cell_angle_alpha   131.73
_cell_angle_beta   131.73
_cell_angle_gamma   70.66
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrZnSi2
_chemical_formula_sum   'Sr1 Zn1 Si2'
_cell_volume   84.56
_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
  Sr  Sr2  1  0.2  0.0  0.19  1.0
  Zn  Zn3  1  0.0  0.0  0.38  1.0
  Si  Si0  1  0.0  0.2  0.19  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0

data_SrZnSi2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.39
_cell_length_b   4.39
_cell_length_c   5.37
_cell_angle_alpha   114.14
_cell_angle_beta   114.14
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrZnSi2
_chemical_formula_sum   'Sr1 Zn1 Si2'
_cell_volume   84.56
_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
  Sr  Sr0  1  0.81  0.0  0.01  1.0
  Zn  Zn1  1  0.62  0.0  0.62  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.01  0.2  0.01  1.0

Sr Zn Si Si