data_global
_chemical_name_mineral 'Richelsdorfite'
loop_
_publ_author_name
'Susse P'
'Tillmann B'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 179 
_journal_year 1987
_journal_page_first 323
_journal_page_last 334
_publ_section_title
;
 The crystal structure of the new mineral richelsdorfite,
 Ca2Cu5Sb(Cl/(OH)6/(AsO4)4)*6H2O
;
_database_code_amcsd 0010965
_chemical_compound_source 'Iba, near Richelsdorf, Hessen, Germany'
_chemical_formula_sum 'Ca2 Cu5 Sb As4 O28 Cl H18'
_cell_length_a 14.079
_cell_length_b 14.203
_cell_length_c 13.470
_cell_angle_alpha 90
_cell_angle_beta 101.05
_cell_angle_gamma 90
_cell_volume 2643.579
_exptl_crystal_density_diffrn      3.319
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  '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'
  '-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
Ca   0.04080   0.24310   0.23200   0.01748
Cu1   0.29040   0.00000   0.23690   0.00887
Cu2   0.14520   0.38520   0.05700   0.01039
Cu3   0.37230   0.38670   0.05620   0.01013
Sb   0.25000   0.25000   0.50000   0.01672
As1   0.06730   0.00000   0.13190   0.00684
As2   0.48090   0.00000   0.13220   0.00671
As3   0.27350   0.20620   0.13240   0.00621
O1   0.11660   0.00000   0.02420   0.00659
O2   0.15380   0.00000   0.23610   0.01418
O3   0.00300   0.10100   0.12960   0.01760
O4   0.39670   0.00000   0.02270   0.00836
O5   0.42750   0.00000   0.23200   0.01013
O6   0.04530   0.39890   0.13580   0.01976
O7   0.28860   0.13860   0.23460   0.01570
O8   0.25650   0.14220   0.02470   0.01241
O9   0.16800   0.26700   0.12920   0.01431
O10   0.37600   0.26910   0.13260   0.01862
O-H11   0.36660   0.18170   0.48050   0.03407
O-H12   0.18390   0.21740   0.36170   0.01659
O-H13   0.30330   0.36330   0.44580   0.04863
Cl   0.27900   0.50000   0.15750   0.02609
Wat14   0.33070   0.00000   0.40470   0.03711
Wat15   0.10070   0.00000   0.42420   0.02799
Wat16   0.49880   0.15000   0.35130   0.03369
Wat17   0.47150   0.35250   0.34930   0.03724