data_[Sr2Hg2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.6831]
_cell_length_b [5.0027]
_cell_length_c [4.7193]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.8556]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [SrHgSb2]
_chemical_formula_sum '[Sr2 Hg2 Sb4]'
_cell_volume [265.3374]
_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
[
  Sr  Sr0  2  0.0090  0.5000  0.5668  1.0
  Hg  Hg1  2  0.3004  0.5000  0.3527  1.0
  Sb  Sb2  2  0.2025  0.0000  0.5348  1.0
  Sb  Sb3  2  0.4880  0.5000  0.0455  1.0
]