data_global
_chemical_name_mineral 'Carminite'
loop_
_publ_author_name
'Olmi F'
'Sabelli C'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1995 
_journal_year 1995
_journal_page_first 553
_journal_page_last 562
_publ_section_title
;
 Carminite from three localities of Sardinia (Italy). Crystal structure refinements
 Sample C
;
_database_code_amcsd 0014877
_chemical_compound_source 'Pira Inferida Mine, Sardinia, Italy'
_chemical_formula_sum 'Pb Fe2 As2 O10 H2'
_cell_length_a 16.602
_cell_length_b 7.586
_cell_length_c 12.268
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1545.066
_exptl_crystal_density_diffrn      5.423
_symmetry_space_group_name_H-M 'C c c m'
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,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'
  '-x,-y,z'
  '1/2-x,1/2-y,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
_atom_site_U_iso_or_equiv
Pb1   0.00000   0.00000   0.25000   0.01748
Pb2   0.25000   0.75000   0.00000   0.01292
Fe   0.12280   0.36910   0.13440   0.01279
As1   0.04270   0.73820   0.00000   0.00861
As2   0.21160   0.00000   0.25000   0.00722
O1   0.01720   0.24750   0.10930   0.01279
O2   0.09390   0.53970   0.00000   0.00988
O3   0.11050  -0.10330   0.00000   0.01849
O4   0.15070   0.17590   0.24180   0.01381
O5   0.27060  -0.00230   0.13730   0.01051
O-H1   0.16800   0.23880   0.00000   0.00874
O-H2   0.07750   0.50000   0.25000   0.00697