data_[Rb2Ga2Hg2Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.8843]
_cell_length_b [4.8843]
_cell_length_c [12.1569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [RbGaHgSb]
_chemical_formula_sum '[Rb2 Ga2 Hg2 Sb2]'
_cell_volume [290.0190]
_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
[
  Rb  Rb0  2  0.0000  0.5000  0.2522  1.0
  Ga  Ga1  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.0000  0.0000  0.5000  1.0
  Sb  Sb3  2  0.0000  0.5000  0.8785  1.0
]