data_Si2AgAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.5
_cell_length_b   5.5
_cell_length_c   3.69
_cell_angle_alpha   108.42
_cell_angle_beta   108.42
_cell_angle_gamma   123.63
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2AgAs
_chemical_formula_sum   'Si2 Ag1 As1'
_cell_volume   68.97
_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
  Si  Si2  1  0.06  0.42  0.37  1.0
  Si  Si3  1  0.06  0.58  0.37  1.0
  Ag  Ag0  1  0.6  0.0  0.0  1.0
  As  As1  1  0.0  0.0  0.0  1.0

data_Si2AgAs
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.69
_cell_length_b   3.86
_cell_length_c   5.5
_cell_angle_alpha   109.44
_cell_angle_beta   108.42
_cell_angle_gamma   93.2
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2AgAs
_chemical_formula_sum   'Si2 Ag1 As1'
_cell_volume   68.97
_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
  Si  Si0  1  0.79  0.42  0.49  1.0
  Si  Si1  1  0.95  0.58  0.64  1.0
  Ag  Ag2  1  0.0  0.0  0.6  1.0
  As  As3  1  0.0  0.0  0.0  1.0

Si Si Ag As