data_[Zn4Si2Sn2P8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [5.5449]
_cell_length_b [5.5449]
_cell_length_c [10.9878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Zn2SiSnP4]
_chemical_formula_sum '[Zn4 Si2 Sn2 P8]'
_cell_volume [337.8312]
_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
[
  Zn  Zn0  2  0.0000  0.0000  0.0000  1
  Zn  Zn1  2  0.0000  0.5000  0.7500  1
  Si  Si2  2  0.0000  0.0000  0.5000  1
  Sn  Sn3  2  0.0000  0.5000  0.2500  1
  P  P4  8  0.2279  0.2515  0.6165  1
]