data_[K1Na1Mg14O15]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [4.4332]
_cell_length_b [8.6540]
_cell_length_c [8.7477]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [KNaMg14O15]
_chemical_formula_sum '[K1 Na1 Mg14 O15]'
_cell_volume [335.6043]
_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  0.0000  0.0000  0.0120  1
  Na  Na1  1  0.0000  0.5000  0.4978  1
  Mg  Mg2  2  0.0000  0.2254  0.7435  1
  Mg  Mg3  2  0.0000  0.2502  0.2692  1
  Mg  Mg4  2  0.5000  0.2519  0.9909  1
  Mg  Mg5  2  0.5000  0.2521  0.5045  1
  Mg  Mg6  1  0.0000  0.0000  0.5025  1
  Mg  Mg7  1  0.0000  0.5000  0.0223  1
  Mg  Mg8  1  0.5000  0.0000  0.2581  1
  Mg  Mg9  1  0.5000  0.0000  0.7473  1
  Mg  Mg10  1  0.5000  0.5000  0.2564  1
  Mg  Mg11  1  0.5000  0.5000  0.7519  1
  O  O12  2  0.0000  0.2433  0.5078  1
  O  O13  2  0.0000  0.2838  0.9661  1
  O  O14  2  0.5000  0.2513  0.2492  1
  O  O15  2  0.5000  0.2592  0.7452  1
  O  O16  1  0.0000  0.0000  0.2793  1
  O  O17  1  0.0000  0.0000  0.7292  1
  O  O18  1  0.0000  0.5000  0.2458  1
  O  O19  1  0.5000  0.0000  0.5040  1
  O  O20  1  0.5000  0.0000  0.9829  1
  O  O21  1  0.5000  0.5000  0.5154  1
  O  O22  1  0.5000  0.5000  0.9921  1
]