data_global
_amcsd_formula_title 'Cd2As2O7'
loop_
_publ_author_name
'Weil M'
_journal_name_full 'Acta Crystallographica, Section E'
_journal_volume 57 
_journal_year 2001
_journal_page_first i28
_journal_page_last i29
_publ_section_title
;
 Cadmium(II) diarsenate(V), Cd2As2O7
;
_database_code_amcsd 0010354
_chemical_formula_sum 'Cd2 As2 O7'
_cell_length_a 6.9446
_cell_length_b 9.0365
_cell_length_c 4.8530
_cell_angle_alpha 90
_cell_angle_beta 101.770
_cell_angle_gamma 90
_cell_volume 298.146
_exptl_crystal_density_diffrn      5.421
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-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
_atom_site_U_iso_or_equiv
Cd   0.00000   0.30427   0.50000   0.01120
As   0.22491   0.00000   0.91086   0.00851
O1   0.00000   0.00000   0.00000   0.07000
O2   0.38430   0.00000   0.21720   0.01480
O3   0.23440   0.15410   0.72470   0.01530
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Cd 0.00994 0.01029 0.01280 0.00000 0.00099 0.00000
As 0.00690 0.01061 0.00793 0.00000 0.00128 0.00000
O1 0.01700 0.11300 0.09000 0.00000 0.03400 0.00000
O2 0.02100 0.01200 0.00840 0.00000 -0.00430 0.00000
O3 0.01640 0.01350 0.01590 0.00410 0.00320 0.00580