data_[Mn2Be2Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Be  1.5700  1.0500  0.5900
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.4802]
_cell_length_b [2.6061]
_cell_length_c [4.1039]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.7796]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [MnBeSi2]
_chemical_formula_sum '[Mn2 Be2 Si4]'
_cell_volume [90.3836]
_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
[
  Mn  Mn0  2  0.2503  0.0000  0.7578  1
  Be  Be1  2  0.0096  0.5000  0.5012  1
  Si  Si2  2  0.2500  0.5000  0.2679  1
  Si  Si3  2  0.4901  0.5000  0.9731  1
]