data_[Y2Er2Mn4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Mn  1.5500  1.4000  0.6483
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.1395]
_cell_length_b [4.1810]
_cell_length_c [15.9297]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [YEr(MnSi2)2]
_chemical_formula_sum '[Y2 Er2 Mn4 Si8]'
_cell_volume [275.6966]
_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
[
  Y  Y0  2  0.5000  0.0000  0.1046  1
  Er  Er1  2  0.0000  0.0000  0.8944  1
  Mn  Mn2  2  0.0000  0.0000  0.6873  1
  Mn  Mn3  2  0.5000  0.0000  0.3131  1
  Si  Si4  2  0.0000  0.0000  0.2509  1
  Si  Si5  2  0.0000  0.0000  0.5436  1
  Si  Si6  2  0.5000  0.0000  0.4555  1
  Si  Si7  2  0.5000  0.0000  0.7507  1
]