data_[Y4Zn2As2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Zn  1.6500  1.3500  0.8800
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.0276]
_cell_length_b [4.2262]
_cell_length_c [10.8701]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Y2ZnAs]
_chemical_formula_sum '[Y4 Zn2 As2]'
_cell_volume [185.0262]
_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
[
  Y  Y0  2  0.0000  0.0000  0.2671  1.0
  Y  Y1  2  0.5000  0.0000  0.9842  1.0
  Zn  Zn2  2  0.0000  0.0000  0.5419  1.0
  As  As3  2  0.5000  0.0000  0.7068  1.0
]