data_[Na1Ga1Hg2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.0669]
_cell_length_b [7.0481]
_cell_length_c [5.1647]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.3363]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [NaGaHg2F8]
_chemical_formula_sum '[Na1 Ga1 Hg2 F8]'
_cell_volume [184.4351]
_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
[
  Na  Na0  1  0.0000  0.5000  0.0000  1.0
  Ga  Ga1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.5000  0.2469  0.5000  1.0
  F  F3  4  0.1866  0.2010  0.8319  1.0
  F  F4  2  0.2654  0.0000  0.2834  1.0
  F  F5  2  0.2944  0.5000  0.3140  1.0
]