data_global
_chemical_name_mineral 'Hydrocerussite'
loop_
_publ_author_name
'Cowley J M'
_journal_name_full 'Acta Crystallographica'
_journal_volume 9 
_journal_year 1956
_journal_page_first 391
_journal_page_last 396
_publ_section_title
;
 Electron-diffraction study of the structure of basic lead carbonate,
 2PbCO3*Pb(OH)2
;
_database_code_amcsd 0009160
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Pb3 C2 O8 H2'
_cell_length_a 9.06
_cell_length_b 9.06
_cell_length_c 8.27
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 587.885
_exptl_crystal_density_diffrn      6.573
_symmetry_space_group_name_H-M 'P 3 1 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x-y,-y,z'
  '-y,x-y,z'
  'y,x,z'
  '-x+y,-x,z'
  '-x,-x+y,z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb1   0.00000   0.00000   0.77000
Pb2   0.33333   0.66667   0.77000
Pb3   0.25500   0.00000   0.50000
Pb4   0.66000   0.00000   0.23000
C1   0.00000   0.00000   0.14000
C2   0.33333   0.66667   0.14000
C3   0.66000   0.00000   0.86000
O1   0.16000   0.00000   0.14000
O2   0.53000   0.16000   0.14000
O3   0.51000   0.00000   0.86000
O4   0.34000   0.18000   0.86000
O-H1   0.00000   0.00000   0.42000
O-H2   0.33333   0.66667   0.42000
O-H3   0.70000   0.00000   0.58000