data_[Sn2Ge2P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.9890]
_cell_length_b [5.1623]
_cell_length_c [7.4272]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.4130]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SnGe(PO4)2]
_chemical_formula_sum '[Sn2 Ge2 P4 O16]'
_cell_volume [306.0350]
_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
[
  Sn  Sn0  2  0.0000  0.0000  0.5000  1.0
  Ge  Ge1  2  0.0000  0.0000  0.0000  1.0
  P  P2  4  0.1399  0.5000  0.7920  1.0
  O  O3  8  0.0259  0.2530  0.8126  1.0
  O  O4  4  0.2025  0.5000  0.6014  1.0
  O  O5  4  0.2290  0.0000  0.0505  1.0
]