data_ZnSi2Cl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.96
_cell_length_b   5.09
_cell_length_c   5.0
_cell_angle_alpha   90.0
_cell_angle_beta   106.64
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnSi2Cl
_chemical_formula_sum   'Zn1 Si2 Cl1'
_cell_volume   72.01
_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
  Zn  Zn3  1  0.62  0.54  1.0  1.0
  Si  Si1  1  0.13  0.54  0.26  1.0
  Si  Si2  1  0.09  0.0  0.95  1.0
  Cl  Cl0  1  0.02  0.0  0.76  1.0

data_ZnSi2Cl
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.96
_cell_length_b   5.0
_cell_length_c   5.09
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   106.64
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnSi2Cl
_chemical_formula_sum   'Zn1 Si2 Cl1'
_cell_volume   72.01
_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
  Zn  Zn0  1  0.38  0.0  0.46  1.0
  Si  Si1  1  0.87  0.74  0.46  1.0
  Si  Si2  1  0.91  0.05  0.0  1.0
  Cl  Cl3  1  0.98  0.24  0.0  1.0

Zn Si Si Cl