data_[Be4Sb2As2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Sb  2.0500  1.4500  0.8300
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.9478]
_cell_length_b [5.3549]
_cell_length_c [7.5201]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Be2SbAs]
_chemical_formula_sum '[Be4 Sb2 As2]'
_cell_volume [158.9778]
_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
[
  Be  Be0  2  0.0000  0.0000  0.9597  1
  Be  Be1  2  0.0000  0.5000  0.8157  1
  Sb  Sb2  2  0.0000  0.0000  0.6133  1
  As  As3  2  0.0000  0.5000  0.1113  1
]