data_MnNb2B
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.71
_cell_length_b   2.71
_cell_length_c   7.29
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnNb2B
_chemical_formula_sum   'Mn1 Nb2 B1'
_cell_volume   53.69
_cell_formula_units_Z   1
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  Mn1  1  0.0  0.0  0.64  1.0
  Nb  Nb2  1  0.36  0.36  0.72  1.0
  Nb  Nb3  1  0.36  0.36  0.57  1.0
  B  B0  1  0.0  0.0  0.0  1.0

data_MnNb2B
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.84
_cell_length_b   3.84
_cell_length_c   7.29
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   MnNb2B
_chemical_formula_sum   'Mn2 Nb4 B2'
_cell_volume   107.38
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.64  1.0
  Nb  Nb1  2  0.36  0.0  0.57  1.0
  Nb  Nb2  2  0.36  0.0  0.72  1.0
  B  B3  2  0.0  0.0  0.0  1.0

Mn Nb Nb B
Mn Nb Nb B 0 2 o o o 0 1 o o o 0 3 o o + 1 2 o o o 1 3 + o + 1 3 o + + 1 3 o o + 3 3 + o o 3 3 o + o 