data_[Sr2Sm2Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sm  1.1700  1.8500  1.2290
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.4490]
_cell_length_b [6.0386]
_cell_length_c [12.0673]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [SrSmGe2]
_chemical_formula_sum '[Sr2 Sm2 Ge4]'
_cell_volume [251.3288]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.1491  1
  Sm  Sm1  2  0.0000  0.0000  0.8415  1
  Ge  Ge2  2  0.0000  0.0000  0.4029  1
  Ge  Ge3  2  0.0000  0.0000  0.6066  1
]