data_[Mn2Be2Ir4]
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
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.8596]
_cell_length_b [2.7838]
_cell_length_c [4.2735]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0919]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [MnBeIr2]
_chemical_formula_sum '[Mn2 Be2 Ir4]'
_cell_volume [99.6015]
_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  0.4909  0.0000  0.5407  1
  Be  Be1  2  0.2512  0.5000  0.2006  1
  Ir  Ir2  2  0.0141  0.0000  0.0640  1
  Ir  Ir3  2  0.2438  0.0000  0.6947  1
]