data_[Na2Be4As2H4]
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
  As  2.1800  1.1500  0.6600
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4452]
_cell_length_b [4.3449]
_cell_length_c [6.5419]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.4094]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaBe2AsH2]
_chemical_formula_sum '[Na2 Be4 As2 H4]'
_cell_volume [165.4762]
_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
[
  Na  Na0  2  0.3078  0.2500  0.6002  1
  Be  Be1  4  0.1560  0.5008  0.9482  1
  As  As2  2  0.1808  0.7500  0.2630  1
  H  H3  2  0.2017  0.7500  0.8149  1
  H  H4  2  0.3296  0.2500  0.9920  1
]