data_[Li2Ac4Be2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ac  1.1000  1.9500  1.2600
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.1460]
_cell_length_b [7.1460]
_cell_length_c [5.4567]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [LiAc2BeO5]
_chemical_formula_sum '[Li2 Ac4 Be2 O10]'
_cell_volume [278.6453]
_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
[
  Li  Li0  2  0.0000  0.0000  0.0000  1
  Ac  Ac1  4  0.1840  0.3160  0.5000  1
  Be  Be2  2  0.0000  0.5000  0.0000  1
  O  O3  8  0.1171  0.6171  0.2235  1
  O  O4  2  0.0000  0.0000  0.5000  1
]