data_global
_chemical_name_mineral 'Leadhillite'
loop_
_publ_author_name
'Giuseppetti G'
'Mazzi F'
'Tadini C'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1990 
_journal_year 1990
_journal_page_first 255
_journal_page_last 268
_publ_section_title
;
 The crystal structure of leadhillite: Pb4(SO4)(CO3)2(OH)2
;
_database_code_amcsd 0014843
_chemical_compound_source 'Iglesiente area, Sardinia, Italy'
_chemical_formula_sum 'Pb4 S C2 O12 H2'
_cell_length_a 9.11
_cell_length_b 20.82
_cell_length_c 11.59
_cell_angle_alpha 90
_cell_angle_beta 90.46
_cell_angle_gamma 90
_cell_volume 2198.207
_exptl_crystal_density_diffrn      6.520
_symmetry_space_group_name_H-M 'P 1 21/a 1'
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
Pb1   0.41790   0.17890   0.10830   0.01077
Pb2   0.42950   0.43240   0.10340   0.01077
Pb3   0.41430   0.69340   0.09390   0.01140
Pb4   0.40650   0.93850   0.10320   0.01077
Pb5   0.62600   0.04790   0.32110   0.02976
Pb6   0.55840   0.28260   0.33800   0.01596
Pb7   0.53540   0.57360   0.31880   0.03521
Pb8   0.60780   0.83190   0.31870   0.01684
S1   0.23000   0.07370   0.48730   0.01494
S2   0.23840   0.31750   0.51320   0.01381
C1   0.25600   0.05700   0.15800   0.02026
C2   0.25700   0.31300   0.14600   0.01267
C3   0.25000   0.56300   0.12400   0.01393
C4   0.24900   0.80900   0.15500   0.04686
O1   0.07400   0.08700   0.46500   0.05319
O2   0.10000   0.28100   0.54100   0.01267
O3   0.30000   0.13800   0.47500   0.02660
O4   0.20800   0.38700   0.51200   0.02913
O5   0.28500   0.02400   0.41100   0.07092
O6   0.29200   0.29300   0.40000   0.02786
O7   0.24200   0.05500   0.61400   0.02660
O8   0.34600   0.30400   0.60600   0.02786
O9   0.18400   0.00500   0.15000   0.01520
O10   0.18300   0.25800   0.15200   0.02153
O11   0.18300   0.50700   0.12900   0.01773
O12   0.17200   0.75800   0.13900   0.01267
O13   0.39700   0.05700   0.15300   0.02660
O14   0.40100   0.31100   0.15100   0.01267
O15   0.39500   0.56200   0.12800   0.02026
O16   0.38900   0.80700   0.15200   0.02406
O17   0.18300   0.11400   0.16400   0.02280
O18   0.18300   0.36700   0.13100   0.02280
O19   0.17200   0.61700   0.11900   0.01267
O20   0.18100   0.86800   0.15100   0.01393
O-H1   0.46700   0.18400   0.29400   0.03040
O-H2   0.38600   0.44800   0.28800   0.02153
O-H3   0.38800   0.67100   0.28400   0.01773
O-H4   0.46800   0.93600   0.29000   0.01773