data_[K2Zn1Si3O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.3687]
_cell_length_b [6.8318]
_cell_length_c [6.9056]
_cell_angle_alpha [76.3798]
_cell_angle_beta [68.5225]
_cell_angle_gamma [67.3578]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [K2ZnSi3O8]
_chemical_formula_sum '[K2 Zn1 Si3 O8]'
_cell_volume [216.2095]
_cell_formula_units_Z [1]
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  1  0.1212  0.6697  0.1382  1.0
  K  K1  1  0.9477  0.2917  0.8179  1.0
  Zn  Zn2  1  0.6656  0.8808  0.7777  1.0
  Si  Si3  1  0.3210  0.0945  0.2581  1.0
  Si  Si4  1  0.3381  0.7046  0.6097  1.0
  Si  Si5  1  0.6585  0.2950  0.3970  1.0
  O  O6  1  0.0415  0.6699  0.7513  1.0
  O  O7  1  0.2828  0.9529  0.4878  1.0
  O  O8  1  0.4594  0.9569  0.0658  1.0
  O  O9  1  0.5063  0.5537  0.4109  1.0
  O  O10  1  0.5112  0.2448  0.2460  1.0
  O  O11  1  0.5294  0.6611  0.7584  1.0
  O  O12  1  0.6200  0.1628  0.6231  1.0
  O  O13  1  0.9972  0.2636  0.2561  1.0
]