data_[Nb4Ag4Ge4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.1177]
_cell_length_b [9.1038]
_cell_length_c [7.6231]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.7523]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NbAgGeO5]
_chemical_formula_sum '[Nb4 Ag4 Ge4 O20]'
_cell_volume [444.8979]
_cell_formula_units_Z [4]
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
[
  Nb  Nb0  4  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.0000  0.3255  0.7500  1.0
  Ge  Ge2  4  0.0000  0.3187  0.2500  1.0
  O  O3  8  0.0870  0.2071  0.1089  1.0
  O  O4  8  0.1992  0.4396  0.4023  1.0
  O  O5  4  0.0000  0.0609  0.7500  1.0
]