data_global
_chemical_name_mineral 'Vauquelinite'
loop_
_publ_author_name
'Fanfani L'
'Zanazzi P F'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 126 
_journal_year 1968
_journal_page_first 433
_journal_page_last 443
_publ_section_title
;
 The crystal structure of vauquelinite and the relationships to fornacite
;
_database_code_amcsd 0010658
_chemical_compound_source 'Beresov, Ural Mountains, Russia'
_chemical_formula_sum 'Pb2 Cu Cr P O9 H'
_cell_length_a 13.754
_cell_length_b 5.806
_cell_length_c 9.563
_cell_angle_alpha 90
_cell_angle_beta 94.57
_cell_angle_gamma 90
_cell_volume 761.232
_exptl_crystal_density_diffrn      6.160
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-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   0.73630   0.22560   0.49540   0.03787
Pb2   0.05350   0.76860   0.16660   0.02812
Cu1   0.00000   0.00000   0.50000   0.03749
Cu2   0.00000   0.50000   0.50000   0.01684
Cr   0.86200   0.26250   0.18110   0.02140
P   0.15840   0.27370   0.32070   0.02318
O1   0.12030   0.04780   0.38060   0.03964
O2   0.11040   0.47800   0.38680   0.04116
O3   0.11920   0.25890   0.16790   0.03204
O4   0.26830   0.29510   0.34700   0.03166
O5   0.89100   0.02810   0.10130   0.03204
O6   0.91030   0.48360   0.09640   0.02508
O7   0.91130   0.23600   0.33810   0.02419
O8   0.74700   0.27350   0.18380   0.02938
O-H   0.95290   0.78370   0.38410   0.02799