data_[Na2Zn4P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.1400]
_cell_length_b [8.8550]
_cell_length_c [8.9476]
_cell_angle_alpha [97.7645]
_cell_angle_beta [100.2370]
_cell_angle_gamma [105.8397]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [NaZn2(PO4)2]
_chemical_formula_sum '[Na2 Zn4 P4 O16]'
_cell_volume [378.2261]
_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
[
  Na  Na0  2  0.4103  0.6985  0.1877  1
  Zn  Zn1  2  0.2201  0.6134  0.7558  1
  Zn  Zn2  2  0.3190  0.1092  0.3878  1
  P  P3  2  0.0932  0.7496  0.4399  1
  P  P4  2  0.1636  0.2586  0.0798  1
  O  O5  2  0.0580  0.5903  0.3334  1
  O  O6  2  0.1069  0.6927  0.9427  1
  O  O7  2  0.1461  0.1319  0.1818  1
  O  O8  2  0.1893  0.2266  0.5476  1
  O  O9  2  0.2210  0.2000  0.9226  1
  O  O10  2  0.2765  0.7569  0.6052  1
  O  O11  2  0.2819  0.8827  0.3759  1
  O  O12  2  0.4161  0.4122  0.1562  1
]