data_VSiAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.31
_cell_length_b   4.31
_cell_length_c   2.79
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSiAg
_chemical_formula_sum   'V1 Si1 Ag1'
_cell_volume   44.93
_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
  V  V2  1  0.16  0.25  0.39  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  1.0  0.49  0.0  1.0

data_VSiAg
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.79
_cell_length_b   4.31
_cell_length_c   4.31
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSiAg
_chemical_formula_sum   'V1 Si1 Ag1'
_cell_volume   44.93
_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
  V  V0  1  0.39  0.16  0.25  1.0
  Si  Si1  1  0.0  0.0  0.0  1.0
  Ag  Ag2  1  0.0  1.0  0.49  1.0

V Si Ag
V Si Ag 0 1 o o o 0 2 - o + 0 2 - o o 1 2 - - o 1 2 - o o 