data_[Ho4Er4Np4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Np  1.3600  1.7500  1.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.8052]
_cell_length_b [3.5371]
_cell_length_c [5.7026]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1568]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [HoErNp]
_chemical_formula_sum '[Ho4 Er4 Np4]'
_cell_volume [333.6636]
_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
[
  Ho  Ho0  4  0.0663  0.5000  0.7905  1
  Er  Er1  4  0.1206  0.0000  0.3176  1
  Np  Np2  4  0.2383  0.0000  0.8569  1
]