data_global
_amcsd_formula_title '(As2O2)(SO4)'
loop_
_publ_author_name
'Mercier R'
'Douglade J'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 38 
_journal_year 1982
_journal_page_first 896
_journal_page_last 898
_publ_section_title
;
 Affinement de la structure avec tunnels de paires E dans un oxysulfate
 d'arsenic: (As2O2)(SO4)
;
_database_code_amcsd 0009756
_chemical_formula_sum 'As2 S O6'
_cell_length_a 4.628
_cell_length_b 11.497
_cell_length_c 4.776
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 254.122
_exptl_crystal_density_diffrn      3.632
_symmetry_space_group_name_H-M 'P 21 21 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-x,1/2+y,-z'
  '1/2+x,1/2-y,-z'
  '-x,-y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
As   0.26250   0.19170   0.17890   0.01153
S   0.00000   0.00000  -0.20350   0.01381
O1   0.40720   0.26090  -0.12340   0.01406
O2   0.22840   0.04710  -0.00690   0.02102
O3  -0.12810   0.09210  -0.36620   0.02647
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
As 0.00970 0.01060 0.01390 0.00230 -0.00170 0.00010
S 0.01640 0.00730 0.01710 0.00000 0.00000 0.00040
O1 0.00960 0.01520 0.01680 0.00220 0.00010 -0.00260
O2 0.01340 0.00980 0.03910 -0.00740 -0.00870 0.00070
O3 0.04090 0.01780 0.02000 0.00660 -0.00600 0.00400