data_[Sr8Mn8Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mn  1.5500  1.4000  0.6483
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.0261]
_cell_length_b [6.1679]
_cell_length_c [8.2617]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1938]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sr2Mn2Si]
_chemical_formula_sum '[Sr8 Mn8 Si4]'
_cell_volume [502.8361]
_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
[
  Sr  Sr0  8  0.1573  0.1078  0.1601  1
  Mn  Mn1  8  0.1052  0.3864  0.5030  1
  Si  Si2  4  0.0000  0.4043  0.7500  1
]