data_[K2Mo4As2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mo  2.1600  1.4500  0.7750
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.3706]
_cell_length_b [5.9592]
_cell_length_c [7.9397]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.5849]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KMo2AsO8]
_chemical_formula_sum '[K2 Mo4 As2 O16]'
_cell_volume [443.1962]
_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
[
  K  K0  2  0.0000  0.0000  0.5000  1.0
  Mo  Mo1  4  0.1372  0.5000  0.7884  1.0
  As  As2  2  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0279  0.2477  0.8098  1.0
  O  O4  4  0.2067  0.5000  0.5865  1.0
  O  O5  4  0.2197  0.0000  0.0545  1.0
]