data_AgC2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.77
_cell_length_b   5.77
_cell_length_c   2.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   117.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgC2
_chemical_formula_sum   'Ag2 C4'
_cell_volume   74.7
_cell_formula_units_Z   2
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
  Ag  Ag0  1  0.01  0.11  0.26  1.0
  Ag  Ag1  1  0.01  0.89  0.26  1.0
  C  C2  1  0.01  0.0  0.26  1.0
  C  C3  1  0.0  0.0  0.0  1.0
  C  C4  1  0.01  0.9  0.0  1.0
  C  C5  1  0.01  0.1  0.0  1.0

data_AgC2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.52
_cell_length_b   5.77
_cell_length_c   5.77
_cell_angle_alpha   117.07
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgC2
_chemical_formula_sum   'Ag2 C4'
_cell_volume   74.7
_cell_formula_units_Z   2
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
  Ag  Ag0  1  0.26  0.01  0.89  1.0
  Ag  Ag1  1  0.26  0.01  0.11  1.0
  C  C2  1  0.0  0.0  0.0  1.0
  C  C3  1  0.0  0.01  0.9  1.0
  C  C4  1  0.0  0.01  0.1  1.0
  C  C5  1  0.26  0.01  0.0  1.0

Ag Ag C C C C
Ag Ag C C C C 0 5 o o o 0 2 o o o 1 4 o o o 1 2 o + o 2 3 o o o 3 5 o o o 3 4 o - o 