data_[Sr2Al7Ge1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [4.4731]
_cell_length_b [4.4731]
_cell_length_c [11.0878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [Sr2Al7Ge]
_chemical_formula_sum '[Sr2 Al7 Ge1]'
_cell_volume [221.8559]
_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
[
  Sr  Sr0  1  0.0000  0.0000  0.9992  1.0
  Sr  Sr1  1  0.5000  0.5000  0.5010  1.0
  Al  Al2  2  0.0000  0.5000  0.2506  1.0
  Al  Al3  2  0.0000  0.5000  0.7502  1.0
  Al  Al4  1  0.0000  0.0000  0.3805  1.0
  Al  Al5  1  0.0000  0.0000  0.6178  1.0
  Al  Al6  1  0.5000  0.5000  0.8824  1.0
  Ge  Ge7  1  0.5000  0.5000  0.1174  1.0
]