data_[Ca4Zn4H16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Zn  1.6500  1.3500  0.8800
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.7026]
_cell_length_b [6.0906]
_cell_length_c [6.9082]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [CaZnH4]
_chemical_formula_sum '[Ca4 Zn4 H16]'
_cell_volume [282.0107]
_cell_formula_units_Z [4]
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
[
  Ca  Ca0  4  0.0000  0.1451  0.2500  1
  Zn  Zn1  4  0.0000  0.3567  0.7500  1
  H  H2  8  0.0000  0.1782  0.5701  1
  H  H3  8  0.1942  0.4744  0.2500  1
]