data_[La2Sn3As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Sn  1.9600  1.4500  0.8300
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [5.6224]
_cell_length_b [8.3563]
_cell_length_c [18.1493]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [La2Sn3As4]
_chemical_formula_sum '[La2 Sn3 As4]'
_cell_volume [852.6974]
_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
[
  La  La0  2  0.1606  0.2528  0.5332  1
  Sn  Sn1  2  0.6649  0.2090  0.4276  1
  Sn  Sn2  1  0.6925  0.5000  0.5548  1
  As  As3  2  0.6513  0.1823  0.5877  1
  As  As4  1  0.2850  0.0000  0.4142  1
  As  As5  1  0.3901  0.5000  0.4338  1
]