data_[K2Si4H16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Si  1.9000  1.1000  0.5400
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.9465]
_cell_length_b [4.9269]
_cell_length_c [7.2165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.9297]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K(SiH4)2]
_chemical_formula_sum '[K2 Si4 H16]'
_cell_volume [269.9630]
_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  0.0000  1
  Si  Si1  4  0.1802  0.0000  0.6493  1
  H  H2  8  0.1459  0.2543  0.7421  1
  H  H3  4  0.1176  0.5000  0.1994  1
  H  H4  4  0.1845  0.0000  0.4398  1
]