data_[Cs3Na2As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.3764]
_cell_length_b [7.0196]
_cell_length_c [10.0995]
_cell_angle_alpha [99.5043]
_cell_angle_beta [97.7440]
_cell_angle_gamma [107.6029]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Cs3(NaAs2)2]
_chemical_formula_sum '[Cs3 Na2 As4]'
_cell_volume [351.3406]
_cell_formula_units_Z [1]
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
[
  Cs  Cs0  2  0.3539  0.7742  0.5962  1
  Cs  Cs1  1  0.0000  0.0000  0.0000  1
  Na  Na2  2  0.2299  0.6287  0.1862  1
  As  As3  2  0.1987  0.2643  0.7055  1
  As  As4  2  0.3661  0.5511  0.9090  1
]