data_[Ca6Mn3Be3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Mn  1.5500  1.4000  0.6483
  Be  1.5700  1.0500  0.5900
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [3.6252]
_cell_length_b [3.6252]
_cell_length_c [27.4636]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ca2MnBe]
_chemical_formula_sum '[Ca6 Mn3 Be3]'
_cell_volume [312.5654]
_cell_formula_units_Z [3]
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
[
  Ca  Ca0  6  0.0000  0.0000  0.2430  1
  Mn  Mn1  3  0.0000  0.0000  0.0000  1
  Be  Be2  3  -0.0000  -0.0000  0.5000  1
]