data_ZnSiAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.08
_cell_length_b   5.08
_cell_length_c   5.08
_cell_angle_alpha   131.86
_cell_angle_beta   131.86
_cell_angle_gamma   70.45
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnSiAs2
_chemical_formula_sum   'Zn1 Si1 As2'
_cell_volume   71.36
_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  0.07  0.0  0.08  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  As  As0  1  0.0  0.0  0.15  1.0
  As  As1  1  0.0  0.07  0.08  1.0

data_ZnSiAs2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.15
_cell_length_b   4.15
_cell_length_c   5.08
_cell_angle_alpha   114.07
_cell_angle_beta   114.07
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnSiAs2
_chemical_formula_sum   'Zn1 Si1 As2'
_cell_volume   71.36
_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  0.92  0.0  1.0  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0
  As  As2  1  0.85  0.0  0.85  1.0
  As  As3  1  1.0  0.07  1.0  1.0

Zn Si As As