data_[Ce4Ag4As4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Ag  1.9300  1.6000  1.0867
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.1774]
_cell_length_b [9.1795]
_cell_length_c [8.2561]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.8030]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CeAgAsO5]
_chemical_formula_sum '[Ce4 Ag4 As4 O20]'
_cell_volume [548.1899]
_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
[
  Ce  Ce0  4  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.0000  0.3116  0.2500  1.0
  As  As2  4  0.0000  0.3469  0.7500  1.0
  O  O3  8  0.0371  0.2395  0.5999  1.0
  O  O4  8  0.1819  0.4653  0.8661  1.0
  O  O5  4  0.0000  0.0714  0.2500  1.0
]