data_global
_chemical_name_mineral 'Hechtsbergite'
loop_
_publ_author_name
'Krause W'
'Bernhardt H J'
'Blass G'
'Effenberger H'
'Graf H W'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1997 
_journal_year 1997
_journal_page_first 271
_journal_page_last 287
_publ_section_title
;
 Hechtsbergite, Bi2O(OH)(VO4), a new mineral from the Black Forest, Germany
;
_database_code_amcsd 0014896
_chemical_compound_source 'Hechtsberg quarry, Hausach, Black Forest, Germany'
_chemical_formula_sum 'Bi2 (V.97 As.03) O6 H'
_cell_length_a 6.971
_cell_length_b 7.535
_cell_length_c 10.881
_cell_angle_alpha 90
_cell_angle_beta 107.00
_cell_angle_gamma 90
_cell_volume 546.567
_exptl_crystal_density_diffrn      6.886
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-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_occupancy
_atom_site_U_iso_or_equiv
Bi1   0.25130   0.41390   0.47690   1.00000   0.02153
Bi2   0.38990   0.83750   0.65630   1.00000   0.01013
V   0.11300   0.57000   0.83200   0.97000   0.01267
As   0.11300   0.57000   0.83200   0.03000   0.01267
O1   0.49400   0.60300   0.58600   1.00000   0.01267
O-H2   0.32900   0.23700   0.66800   1.00000   0.01267
O3   0.16700   0.61900   0.69100   1.00000   0.01267
O4   0.12300   0.72000   0.92800   1.00000   0.01267
O5   0.32700   0.41900   0.91100   1.00000   0.01267
O6  -0.12900   0.49000   0.76800   1.00000   0.01267