data_9008427
_chemical_name 'Gustavite'
loop_
_publ_author_name
'Bente K'
'Engel M'
'Steins M'
_journal_name_full "Zeitschrift fur Kristallographie"
_journal_volume 205
_journal_year 1993
_journal_page_first 327
_journal_page_last 328
_publ_section_title
;
 Crystal structure of lead silver tribismuth sulfide, PbAgBi3S6
 Locality: synthetic
 Note: natural gustavite exhibits ordered Bi/Ag
;
_chemical_formula_sum 'Pb Ag Bi3 S6'
_cell_length_a 4.077
_cell_length_b 13.477
_cell_length_c 19.88
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1092.321
_symmetry_space_group_name_H-M 'C m c m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  '1/2+x,1/2-y,-z'
  'x,y,1/2-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Pb   0.00000   0.18350   0.25000   1.00000
Ag2   0.50000   0.41500   0.36450   0.50000
Bi2   0.50000   0.41500   0.36450   0.50000
Bi1   0.50000   0.13770   0.05020   1.00000
S1   0.00000   0.00000   0.00000   1.00000
S2   0.00000   0.26120   0.09680   1.00000
S3   0.50000   0.32700   0.25000   1.00000
S4   0.50000   0.04500   0.16590   1.00000