data_[Ag6C3O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-6]
_cell_length_a [9.1847]
_cell_length_b [9.1847]
_cell_length_c [3.4216]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [174]
_chemical_formula_structural [Ag2CO3]
_chemical_formula_sum '[Ag6 C3 O9]'
_cell_volume [249.9698]
_cell_formula_units_Z [3]
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  3  0.0311  0.6968  0.0000  1.0
  Ag  Ag1  3  0.3352  0.0008  0.5000  1.0
  C  C2  1  0.0000  0.0000  0.5000  1.0
  C  C3  1  0.3333  0.6667  0.5000  1.0
  C  C4  1  0.6667  0.3333  0.0000  1.0
  O  O5  3  0.1613  0.1035  0.5000  1.0
  O  O6  3  0.1720  0.6092  0.5000  1.0
  O  O7  3  0.5030  0.2403  0.0000  1.0
]