data_global
_chemical_name_mineral 'Na[(UO2)(AsO4)](H2O)3'
loop_
_publ_author_name
'Locock A J'
'Burns P C'
'Duke M J M'
'Flynn T M'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 42 
_journal_year 2004
_journal_page_first 973
_journal_page_last 996
_publ_section_title
;
 Monovalent cations in structures of the meta-autunite group
 Sample: NaUAs
;
_chemical_formula_sum 'U As O9 Na'
_cell_length_a 7.1504
_cell_length_b 7.1504
_cell_length_c 17.325
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 885.797
_exptl_crystal_density_diffrn      3.599
_symmetry_space_group_name_H-M 'P 4/n c c'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2-y,1/2-x,1/2+z'
  '1/2+y,1/2+x,1/2-z'
  '1/2+y,-x,-z'
  '1/2-y,x,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2+y,-z'
  '1/2-x,1/2-y,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,1/2+x,-z'
  'y,1/2-x,z'
  '1/2-x,y,1/2+z'
  '1/2+x,-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
U   0.25000   0.25000   0.05420   1.00000   0.01800
As   0.75000   0.25000   0.00000   1.00000   0.02000
O1   0.25000   0.25000   0.15760   1.00000   0.03100
O2   0.25000   0.25000   0.95150   1.00000   0.03600
O3   0.71220   0.06650   0.44200   1.00000   0.02900
O4   0.16250   0.98640   0.30680   0.75000   0.24700
Na4   0.16250   0.98640   0.30680   0.25000   0.24700