data_[K4Mg2Cu4H12]
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
  Cu  1.9000  1.3500  0.8200
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.6736]
_cell_length_b [5.5590]
_cell_length_c [6.2861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.1902]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Mg(CuH3)2]
_chemical_formula_sum '[K4 Mg2 Cu4 H12]'
_cell_volume [297.9430]
_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  4  0.2186  0.5000  0.1613  1.0
  Mg  Mg1  2  0.0000  0.5000  0.5000  1.0
  Cu  Cu2  4  0.0813  0.0000  0.2596  1.0
  H  H3  8  0.0011  0.2558  0.7398  1.0
  H  H4  4  0.2389  0.5000  0.7051  1.0
]