data_[Ca4Al4Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Al  1.6100  1.2500  0.6750
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [4.2782]
_cell_length_b [4.2782]
_cell_length_c [17.1396]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [CaAlGe]
_chemical_formula_sum '[Ca4 Al4 Ge4]'
_cell_volume [271.6792]
_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  2  0.0000  0.0000  0.0000  1.0
  Ca  Ca1  2  0.0000  0.0000  0.2500  1.0
  Al  Al2  4  0.3333  0.6667  0.6484  1.0
  Ge  Ge3  4  0.3333  0.6667  0.1132  1.0
]