data_global
_chemical_name_mineral 'Boron'
loop_
_publ_author_name
'Hoard J L'
'Geller S'
'Hughes R E'
_journal_name_full 'Journal of the American Chemical Society'
_journal_volume 73 
_journal_year 1951
_journal_page_first 1892
_journal_page_last 1893
_publ_section_title
;
 On the structure of elementary boron
;
_database_code_amcsd 0014080
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'B13'
_cell_length_a 8.73
_cell_length_b 8.73
_cell_length_c 5.03
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 383.351
_exptl_crystal_density_diffrn      2.435
_symmetry_space_group_name_H-M 'P -4 n 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+y,1/2+x,1/2-z'
  'y,-x,-z'
  '1/2+x,1/2-y,1/2+z'
  '-x,-y,z'
  '1/2-y,1/2-x,1/2-z'
  '-y,x,-z'
  '1/2-x,1/2+y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
B1   0.00000   0.00000   0.50000
B2   0.50000   0.50000   0.00000
B3   0.32800   0.09500   0.39500
B4   0.09500   0.32800   0.39500
B5   0.22300   0.07800   0.10500
B6   0.07800   0.22300   0.10500
B7   0.12700   0.12700   0.39500
B8   0.25000   0.25000  -0.07800