data_[Mg3Ge2H4O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ge  2.0100  1.2500  0.7700
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P31m]
_cell_length_a [5.3336]
_cell_length_b [5.3336]
_cell_length_c [7.2736]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [157]
_chemical_formula_structural [Mg3Ge2H4O9]
_chemical_formula_sum '[Mg3 Ge2 H4 O9]'
_cell_volume [179.1942]
_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
[
  Mg  Mg0  3  0.0000  0.3293  0.4662  1
  Ge  Ge1  2  0.3333  0.6667  0.0708  1
  H  H2  3  0.0000  0.6563  0.7298  1
  H  H3  1  0.0000  0.0000  0.1755  1
  O  O4  3  0.0000  0.6042  0.9743  1
  O  O5  3  0.0000  0.6641  0.5958  1
  O  O6  2  0.3333  0.6667  0.3063  1
  O  O7  1  0.0000  0.0000  0.3086  1
]