data_global
_chemical_name_mineral 'Sillenite'
loop_
_publ_author_name
'Radaev S F'
'Muradyan L A'
'Simonov V I'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 47 
_journal_year 1991
_journal_page_first 1
_journal_page_last 6
_publ_section_title
;
 Atomic structure and crystal chemistry of sillenites:
 Bi12(Bi3+0.50Fe3+0.50)O19.50 and Bi12(Bi3+0.50Fe3+0.50)O19.33
 Note: anisoB's from ICSD
 Note: z(Bi) corrected
;
_database_code_amcsd 0009845
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Bi12.672 Zn.33 O19.32'
_cell_length_a 10.207
_cell_length_b 10.207
_cell_length_c 10.207
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1063.394
_exptl_crystal_density_diffrn      9.303
_symmetry_space_group_name_H-M 'I 2 3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '-z,-x,y'
  '1/2-z,1/2-x,1/2+y'
  '-z,x,-y'
  '1/2-z,1/2+x,1/2-y'
  'z,-x,-y'
  '1/2+z,1/2-x,1/2-y'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  'y,-z,-x'
  '1/2+y,1/2-z,1/2-x'
  '-y,-z,x'
  '1/2-y,1/2-z,1/2+x'
  '-y,z,-x'
  '1/2-y,1/2+z,1/2-x'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
  '-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Bi   0.17655   0.31821   0.01379   1.00000   0.01798
ZnM   0.00000   0.00000   0.00000   0.33000   0.01127
BiM  -0.02000  -0.02000  -0.02000   0.16800   0.01115
O1   0.13539   0.25132   0.48631   1.00000   0.01520
O2   0.18757   0.18757   0.18757   1.00000   0.01482
O3   0.88989   0.88989   0.88989   0.83000   0.01760
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Bi 0.00929 0.02116 0.01283 0.00375 -0.00042 0.00327
O1 0.01151 0.01663 0.01404 -0.00317 -0.00311 0.00301
O2 0.01367 0.01367 0.01367 0.00517 0.00517 0.00517
O3 0.01367 0.01367 0.01367 0.00517 0.00517 0.00517