data_global
_amcsd_formula_title 'NH4Bi(CrO4)(Cr2O7).H2O'
loop_
_publ_author_name
'Riou A'
'Gerault Y'
'Cudennec Y'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 46 
_journal_year 1990
_journal_page_first 1915
_journal_page_last 1916
_publ_section_title
;
 Ammonium bismuth chromate dichromate monohydrate
;
_database_code_amcsd 0010184
_chemical_formula_sum 'N Bi Cr3 O12 H2'
_cell_length_a 6.916
_cell_length_b 7.249
_cell_length_c 10.798
_cell_angle_alpha 80.28
_cell_angle_beta 90.52
_cell_angle_gamma 86.49
_cell_volume 532.472
_exptl_crystal_density_diffrn      3.574
_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
N   0.87000   0.01500   0.31300   0.02913
Bi   0.34412   0.20675   0.07529   0.01339
Cr1   0.83690   0.24620   0.95810   0.00988
Cr2   0.35230   0.47100   0.74350   0.01431
Cr3   0.58920   0.19300   0.60980   0.01697
O1   0.91900   0.23500   0.82200   0.02786
O2   0.02300   0.20300   0.06500   0.02153
O3   0.67600   0.07700   0.00000   0.01773
O4   0.72100   0.45200   0.95400   0.02786
O5   0.61800   0.33200   0.21500   0.02533
O6   0.83300   0.51500   0.34800   0.03293
O7   0.67600   0.70300   0.13600   0.02026
O8   0.43800   0.58700   0.33600   0.02026
O9   0.56500   0.03400   0.73400   0.02786
O10   0.79500   0.17700   0.54500   0.03420
O11   0.58700   0.81400   0.48900   0.03293
Wat   0.81300   0.71100   0.71200   0.02660