data_[Ac4Cr4As4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Cr  1.6600  1.4000  0.9400
  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 [8.9093]
_cell_length_b [9.1191]
_cell_length_c [8.8041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.7736]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AcCrAsO5]
_chemical_formula_sum '[Ac4 Cr4 As4 O20]'
_cell_volume [620.8673]
_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
[
  Ac  Ac0  4  0.0000  0.0000  0.0000  1
  Cr  Cr1  4  0.0000  0.3258  0.7500  1
  As  As2  4  0.0000  0.3652  0.2500  1
  O  O3  8  0.0061  0.2610  0.0929  1
  O  O4  8  0.1662  0.4971  0.3377  1
  O  O5  4  0.0000  0.1168  0.7500  1
]