data_[K4V4Sn4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  V  1.6300  1.3500  0.7775
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.2545]
_cell_length_b [9.6786]
_cell_length_c [7.4757]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.2316]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KVSnO5]
_chemical_formula_sum '[K4 V4 Sn4 O20]'
_cell_volume [478.6488]
_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
[
  K  K0  4  0.0000  0.3348  0.7500  1.0
  V  V1  4  0.0000  0.3130  0.2500  1.0
  Sn  Sn2  4  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0895  0.2044  0.1155  1.0
  O  O4  8  0.1924  0.4214  0.4043  1.0
  O  O5  4  0.0000  0.0700  0.7500  1.0
]