data_global
_amcsd_formula_title 'Cl4 H2 Hg K2 O'
loop_
_publ_author_name
'MacGillavry C'
'de Wilde J'
'Bijvoet J'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 100 
_journal_year 1938
_journal_page_first 212
_journal_page_last 220
_publ_section_title
;
 The crystal structure of K2 Hg Cl4 * H2 O
 _cod_database_code 1011331
;
_database_code_amcsd 0018173
_chemical_formula_sum 'Hg Cl4 K2 O H2'
_cell_length_a 8.27
_cell_length_b 11.63
_cell_length_c 8.89
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 855.041
_exptl_crystal_density_diffrn      3.407
_symmetry_space_group_name_H-M 'P b a m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  'x,y,-z'
  '-x,-y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Hg1   0.00000   0.00000   0.22800
Cl1   0.21100   0.07200   0.00000
Cl2   0.22800   0.06700   0.50000
Cl3  -0.11700   0.18900   0.25600
K1   0.07200   0.34200   0.00000
K2   0.10600   0.30800   0.50000
O1   0.00000   0.50000   0.25000
H1   0.09000   0.52500   0.28900