data_[Hg4B2As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  B  2.0400  0.8500  0.4100
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.3339]
_cell_length_b [6.3339]
_cell_length_c [5.6656]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Hg2BAs2]
_chemical_formula_sum '[Hg4 B2 As4]'
_cell_volume [227.2983]
_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
[
  Hg  Hg0  4  0.2125  0.7125  0.0000  1
  B  B1  2  0.0000  0.0000  0.0000  1
  As  As2  4  0.1323  0.6323  0.5000  1
]