data_global
_amcsd_formula_title 'Cd(NH4)2(Cr2O7)2(H2O)2'
loop_
_publ_author_name
'Blum D'
'Durif A'
'Guitel J'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 36 
_journal_year 1980
_journal_page_first 137
_journal_page_last 139
_publ_section_title
;
 Structure du dichromate de cadmium et d'ammonium dihydrate:
 Cd(NH4)2(Cr2O7)2(H2O)2
 _cod_database_code 1007041
;
_database_code_amcsd 0009698
_chemical_formula_sum 'Cd N2 Cr4 O16'
_cell_length_a 14.48
_cell_length_b 6.974
_cell_length_c 15.86
_cell_angle_alpha 90
_cell_angle_beta 93.25
_cell_angle_gamma 90
_cell_volume 1599.023
_exptl_crystal_density_diffrn      2.511
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-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
Cd1   0.00000   0.91166   0.25000
N1   0.13270   0.38600   0.40840
Cr1   0.24826   0.41156   0.16078
Cr2   0.10507   0.13372   0.07390
O1   0.17920   0.44040   0.23560
O2   0.35640   0.41340   0.19030
O3   0.27390   0.07940   0.40650
O4   0.22100   0.18990   0.10960
O5   0.03790   0.13370   0.15400
O6   0.39200   0.42580   0.46760
O7   0.06770   0.29510   0.00780
O8   0.47370   0.16470   0.34070