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 [Cmm2]
_cell_length_a [4.5374]
_cell_length_b [5.5763]
_cell_length_c [7.8228]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Y2ZnAs]
_chemical_formula_sum '[Y4 Zn2 As2]'
_cell_volume [197.9337]
_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  0.9415  1
  Y  Y1  2  0.0000  0.5000  0.3024  1
  Zn  Zn2  2  0.0000  0.0000  0.5432  1
  As  As3  2  0.0000  0.5000  0.7130  1
]