data_1008471
_chemical_name_systematic          'Holmium iron boride (2/14/1)'
_chemical_formula_structural       'Ho2 Fe14 B'
_chemical_formula_sum              'B Fe14 Ho2'
_publ_section_title
;
Low temperature crystal and magnetic structures of Ho~2~ Fe~14~B
;
loop_
_publ_author_name
  'Wolfers, P'
  'Miraglia, S'
  'Fruchart, D'
  'Hirosawa, S'
  'Sagawa, M'
  'Bartolome, J'
  'Pannetier, J'
_journal_name_full                 'Journal of the Less-Common Metals'
_journal_coden_ASTM                JCOMAH
_journal_volume                    162
_journal_year                      1990
_journal_page_first                237
_journal_page_last                 249
_cell_length_a                     8.755
_cell_length_b                     8.755
_cell_length_c                     11.99
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  90
_cell_volume                       919.0
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'P 42/m n m'
_symmetry_Int_Tables_number        136
_symmetry_cell_setting             tetragonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '-x,-y,-z'
  'x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  '1/2+x,1/2-y,1/2-z'
  'y,x,z'
  '-y,-x,z'
  '1/2-y,1/2+x,1/2+z'
  '1/2+y,1/2-x,1/2+z'
  '-y,-x,-z'
  'y,x,-z'
  '1/2+y,1/2-x,1/2-z'
  '1/2-y,1/2+x,1/2-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ho0    0.000
  Fe0    0.000
  B0     0.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Ho1   Ho0    4 f 0.1431(1) 0.1431(1) 0. 1.  0 d
  Ho2   Ho0    4 g 0.731(2) 0.269(1) 0. 1.  0 d
  Fe1   Fe0    8 i 0.011(1) 0.505(1) 0. 0.5  0 d
  Fe2   Fe0   16 k 0.727(1) 0.0633(9) 0.3696(7) 1.  0 d
  Fe3   Fe0   16 k 0.459(1) 0.147(1) 0.3254(9) 1.  0 d
  Fe4   Fe0    8 j 0.185(2) 0.185(2) 0.257(3) 1.  0 d
  Fe5   Fe0    8 j 0.399(1) 0.399(1) 0.302(1) 1.  0 d
  Fe6   Fe0    4 e 0. 0. 0.3852(1) 1.  0 d
  B1    B0     4 f 0.376(3) 0.376(3) 0. 1.  0 d
_refine_ls_R_factor_all            0.0379