data_SrSiAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.35
_cell_length_b   5.35
_cell_length_c   5.32
_cell_angle_alpha   107.25
_cell_angle_beta   107.25
_cell_angle_gamma   42.18
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrSiAs2
_chemical_formula_sum   'Sr1 Si1 As2'
_cell_volume   96.92
_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  Sr3  1  0.11  0.0  0.34  1.0
  Si  Si2  1  0.28  0.0  0.04  1.0
  As  As0  1  0.37  0.0  0.44  1.0
  As  As1  1  0.97  0.0  0.79  1.0

data_SrSiAs2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.85
_cell_length_b   5.32
_cell_length_c   5.35
_cell_angle_alpha   107.25
_cell_angle_beta   111.09
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrSiAs2
_chemical_formula_sum   'Sr1 Si1 As2'
_cell_volume   96.92
_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  0.0  0.34  0.11  1.0
  Si  Si1  1  0.0  0.04  0.28  1.0
  As  As2  1  0.0  0.44  0.37  1.0
  As  As3  1  0.0  0.79  0.97  1.0

Sr Si As As
Sr Si As As 0 2 o o o 0 1 o o o 1 3 - o - 1 2 o o o 