data_global
_chemical_name_mineral 'Kieserite'
loop_
_publ_author_name
'Leonhardt J'
'Weiss R'
_journal_name_full 'Naturwissenschaften'
_journal_volume 44 
_journal_year 1957
_journal_page_first 338
_journal_page_last 339
_publ_section_title
;
 Das Kristallgitter des Kieserits MgSO4*H2O
;
_database_code_amcsd 0018263
_chemical_compound_source 'Niedersachsen Potash Works, Wathlingen, Celle District, Lower Saxony, Germany'
_chemical_formula_sum 'Mg S O5 H2'
_cell_length_a 6.886
_cell_length_b 7.61
_cell_length_c 7.63
_cell_angle_alpha 90
_cell_angle_beta 117.72
_cell_angle_gamma 90
_cell_volume 353.943
_exptl_crystal_density_diffrn      2.597
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_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'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg   0.00000   0.50000   0.00000
S   0.00000   0.15800   0.25000
O1   0.11300   0.27300   0.16700
O2   0.16700   0.04300   0.41300
Wat1   0.00000   0.64000   0.25000