data_global
_amcsd_formula_title 'Ag2SO4'
loop_
_publ_author_name
'Brese N E'
'O'Keeffe M'
'Ramakrishna B L'
'von Dreele R B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 89 
_journal_year 1990
_journal_page_first 184
_journal_page_last 190
_publ_section_title
;
 Low-temperature structures of CuO and AgO and their
 relationships to those of MgO and PdO
 Note: T = 9 K
;
_database_code_amcsd 0018808
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ag2 S O4'
_cell_length_a 5.7960
_cell_length_b 12.6670
_cell_length_c 10.2238
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 750.610
_exptl_crystal_density_diffrn      5.518
_symmetry_space_group_name_H-M 'F d d d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  '3/4+x,-y,3/4+z'
  '3/4+x,1/2-y,1/4+z'
  '1/4+x,-y,1/4+z'
  '1/4+x,1/2-y,3/4+z'
  '3/4-x,y,3/4-z'
  '3/4-x,1/2+y,1/4-z'
  '1/4-x,y,1/4-z'
  '1/4-x,1/2+y,3/4-z'
  '-x,3/4+y,3/4+z'
  '-x,1/4+y,1/4+z'
  '1/2-x,3/4+y,1/4+z'
  '1/2-x,1/4+y,3/4+z'
  'x,3/4-y,3/4-z'
  'x,1/4-y,1/4-z'
  '1/2+x,3/4-y,1/4-z'
  '1/2+x,1/4-y,3/4-z'
  '3/4+x,3/4+y,-z'
  '3/4+x,1/4+y,1/2-z'
  '1/4+x,3/4+y,1/2-z'
  '1/4+x,1/4+y,-z'
  '3/4-x,3/4-y,z'
  '3/4-x,1/4-y,1/2+z'
  '1/4-x,3/4-y,1/2+z'
  '1/4-x,1/4-y,z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
  '1/2-x,-y,1/2-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_U_iso_or_equiv
Ag   0.12500   0.12500   0.44370   0.01000
S   0.12500   0.12500   0.12500  -0.00400
O  -0.01920   0.05710   0.21120   0.00890