data_[K2Na4As4H4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  As  2.1800  1.1500  0.6600
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.1154]
_cell_length_b [5.7576]
_cell_length_c [9.1266]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9736]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNa2(AsH)2]
_chemical_formula_sum '[K2 Na4 As4 H4]'
_cell_volume [311.8406]
_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
[
  K  K0  2  0.0000  0.0000  0.0000  1
  Na  Na1  4  0.2481  0.5000  0.6217  1
  As  As2  4  0.2073  0.5000  0.2787  1
  H  H3  4  0.0022  0.5000  0.8576  1
]