data_[Na4Be4Zn4As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Be  1.5700  1.0500  0.5900
  Zn  1.6500  1.3500  0.8800
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.3377]
_cell_length_b [4.0743]
_cell_length_c [8.1943]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.8362]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaBeZnAs2]
_chemical_formula_sum '[Na4 Be4 Zn4 As8]'
_cell_volume [376.7716]
_cell_formula_units_Z [4]
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  4  0.2039  0.0000  0.6419  1.0
  Be  Be1  4  0.0122  0.0000  0.2130  1.0
  Zn  Zn2  4  0.1409  0.5000  0.9088  1.0
  As  As3  4  0.0443  0.5000  0.3826  1.0
  As  As4  4  0.1477  0.0000  0.0886  1.0
]