data_[Na4Ho4C4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ho  1.2300  1.7500  1.0410
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.4811]
_cell_length_b [6.6502]
_cell_length_c [8.2025]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NaHoCO4]
_chemical_formula_sum '[Na4 Ho4 C4 O16]'
_cell_volume [298.9886]
_cell_formula_units_Z [4]
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
[
  Na  Na0  4  0.2500  0.2500  0.7500  1
  Ho  Ho1  4  0.0000  0.0000  0.0000  1
  C  C2  4  0.0000  0.2500  0.3668  1
  O  O3  8  0.0000  0.0755  0.2812  1
  O  O4  8  0.2215  0.2500  0.4856  1
]