data_[Cd2Hg2N2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.5733]
_cell_length_b [6.2760]
_cell_length_c [6.0467]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [CdHgNO]
_chemical_formula_sum '[Cd2 Hg2 N2 O2]'
_cell_volume [135.6013]
_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
[
  Cd  Cd0  2  0.5000  0.3408  0.0006  1
  Hg  Hg1  2  0.0000  0.1444  0.5186  1
  N  N2  2  0.0000  0.1759  0.8719  1
  O  O3  2  0.5000  0.3343  0.3629  1
]