data_[Rb2Zn2P2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [P2_1/m]
_cell_length_a [5.0259]
_cell_length_b [5.6482]
_cell_length_c [7.7958]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7112]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbZnPO4]
_chemical_formula_sum '[Rb2 Zn2 P2 O8]'
_cell_volume [214.0466]
_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
[
  Rb  Rb0  2  0.2875  0.2500  0.8817  1.0
  Zn  Zn1  2  0.3320  0.7500  0.4899  1.0
  P  P2  2  0.1413  0.2500  0.3091  1.0
  O  O3  4  0.3472  0.0319  0.3238  1.0
  O  O4  2  0.0362  0.2500  0.4798  1.0
  O  O5  2  0.0843  0.7500  0.8623  1.0
]