data_[Mn2C2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [3.8534]
_cell_length_b [4.8632]
_cell_length_c [6.1973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2769]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [MnCO3]
_chemical_formula_sum '[Mn2 C2 O6]'
_cell_volume [111.4797]
_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
[
  Mn  Mn0  2  0.5000  0.3152  0.2500  1.0
  C  C1  2  0.0000  0.1867  0.7500  1.0
  O  O2  4  0.2552  0.3247  0.8836  1.0
  O  O3  2  0.0000  0.0805  0.2500  1.0
]