data_global
_chemical_name_mineral 'Swedenborgite'
loop_
_publ_author_name
'Pauling L'
'Klug H P'
'Winchell A N'
_journal_name_full 'American Mineralogist'
_journal_volume 20 
_journal_year 1935
_journal_page_first 492
_journal_page_last 501
_publ_section_title
;
 The crystal structure of swedenborgite, NaBe4SbO7
;
_database_code_amcsd 0000013
_chemical_compound_source 'not given'
_chemical_formula_sum 'Sb Na Be4 O7'
_cell_length_a 5.47
_cell_length_b 5.47
_cell_length_c 8.92
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 231.137
_exptl_crystal_density_diffrn      4.207
_symmetry_space_group_name_H-M 'P 63 m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  'y,-x+y,1/2+z'
  '-x+y,y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Sb   0.33333   0.66667   0.00000
Na   0.33333   0.66667   0.62500
Be1   0.00000   0.00000   0.06250
Be2   0.16667  -0.16667   0.31250
O1   0.00000   0.00000   0.37500
O2   0.50000  -0.50000   0.37500
O3   0.16667  -0.16667   0.12500