data_[Mn8Nb2B4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Nb  1.6000  1.4500  0.8200
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [3.3246]
_cell_length_b [12.9773]
_cell_length_c [3.3731]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Mn4NbB2]
_chemical_formula_sum '[Mn8 Nb2 B4]'
_cell_volume [145.5306]
_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  4  0.0000  0.1758  0.5000  1
  Mn  Mn1  4  0.0000  0.3241  0.0000  1
  Nb  Nb2  2  0.0000  0.0000  0.0000  1
  B  B3  4  0.0000  0.4318  0.5000  1
]