data_global
_amcsd_formula_title 'H2 Mg O8 S2'
loop_
_publ_author_name
'Simonov M'
'Troyanov S'
'Kemnitz E'
'Haas D'
'Kammler M'
_journal_name_full 'Kristallografiya'
_journal_volume 31 
_journal_year 1986
_journal_page_first 1220
_journal_page_last 1221
_publ_section_title
;
 Crystal structure of Mg (H S O4)2
 _cod_database_code 1100084
;
_database_code_amcsd 0018259
_chemical_formula_sum 'Mg S2 O8 H2'
_cell_length_a 7.299
_cell_length_b 8.273
_cell_length_c 4.940
_cell_angle_alpha 90
_cell_angle_beta 99.90
_cell_angle_gamma 90
_cell_volume 293.858
_exptl_crystal_density_diffrn      2.469
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg1   0.00000   0.00000   0.00000
S1   0.23456   0.17272   0.56458
O1   0.20450   0.84010   0.92510
O2   0.08090   0.15090   0.71140
O3   0.09340   0.58080   0.77870
O4   0.19740   0.10980   0.28850
H1   0.11000   0.50000   0.75300