data_[K8Mg2V4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mg  1.3100  1.5000  0.8600
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.2353]
_cell_length_b [6.0757]
_cell_length_c [7.3018]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.5605]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [K4MgV2O7]
_chemical_formula_sum '[K8 Mg2 V4 O14]'
_cell_volume [525.3693]
_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  0.0767  0.0000  0.5920  1
  K  K1  2  0.1978  0.5000  0.8112  1
  K  K2  2  0.2814  0.0000  0.2514  1
  K  K3  2  0.4641  0.5000  0.0593  1
  Mg  Mg4  2  0.3159  0.5000  0.4610  1
  V  V5  2  0.1071  0.5000  0.1963  1
  V  V6  2  0.3764  0.0000  0.7578  1
  O  O7  4  0.0958  0.2563  0.3176  1
  O  O8  4  0.3727  0.2481  0.6116  1
  O  O9  2  0.0160  0.5000  0.9426  1
  O  O10  2  0.2633  0.5000  0.1874  1
  O  O11  2  0.2666  0.0000  0.8735  1
]