data_global
_chemical_name_mineral 'Cornubite'
loop_
_publ_author_name
'Sieber N H W'
'Hofmeister W'
'Tillmanns E'
'Abraham K'
_journal_name_full 'Fortschritte der Mineralogie'
_journal_volume 62 
_journal_year 1984
_journal_page_first 231
_journal_page_last 232
_publ_section_title
;
 Neue mineraldaten fur kupferphosphate und -arsenate von Reichenbach/Odw
;
_database_code_amcsd 0012652
_chemical_compound_source 'Reichenbach, Germany'
_chemical_formula_sum 'Cu5 As2 O12 H4'
_cell_length_a 6.121
_cell_length_b 6.251
_cell_length_c 6.790
_cell_angle_alpha 92.93
_cell_angle_beta 111.30
_cell_angle_gamma 107.47
_cell_volume 227.109
_exptl_crystal_density_diffrn      4.852
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,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
Cu1   0.00000   0.00000   0.00000   0.00684
Cu2   0.99594   0.32402   0.33203   0.00785
Cu3   0.50677   0.32154   0.32393   0.00684
As   0.44718   0.17614   0.79809   0.00608
O2   0.83860   0.99050   0.21470   0.00899
O3   0.60340   0.01620   0.73860   0.00937
O5   0.38180   0.33950   0.60670   0.00849
O6   0.36500   0.65720   0.96230   0.00988
O-H1   0.83270   0.68830   0.86020   0.00709
O-H4   0.83830   0.34430   0.53290   0.00747