data_global
_chemical_name_mineral 'Ozerovaite'
loop_
_publ_author_name
'Bouhassine M A'
'Boughzala H'
_journal_name_full 'Acta Crystallographica, Section E'
_journal_volume 70 
_journal_year 2014
_journal_page_first i6
_journal_page_last i6
_publ_section_title
;
 The aluminoarsenate Na1.67K1.33Al3(AsO4)4
;
_database_code_amcsd 0020626
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Na1.674 K1.326 As4 Al3 O16'
_cell_length_a 10.493
_cell_length_b 20.395
_cell_length_c 6.335
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1355.720
_exptl_crystal_density_diffrn      3.562
_symmetry_space_group_name_H-M 'C m c a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '1/2-x,+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  '1/2+x,1/2-y,-z'
  'x,1/2+y,1/2-z'
  '1/2+x,+y,1/2-z'
  '-x,1/2-y,1/2+z'
  '1/2-x,-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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na1   0.00000   0.16280   0.55130   0.72500   0.03500
Na2   0.00000   0.06350   0.52000   0.11200   0.04200
K1   0.21250   0.27370   0.10750   0.31400   0.04800
K2   0.25000   0.27100   0.25000   0.03500   0.03000
As1   0.00000   0.15486   0.05909   1.00000   0.00750
As2   0.25000  -0.04448   0.25000   1.00000   0.00700
Al1   0.00000   0.00000   0.00000   1.00000   0.00630
Al2   0.25000   0.09187   0.25000   1.00000   0.00730
O1   0.00000   0.21790  -0.10200   1.00000   0.01630
O2   0.12630   0.15363   0.22150   1.00000   0.01100
O3   0.00000   0.08540  -0.08730   1.00000   0.00950
O4   0.21050  -0.09062   0.45340   1.00000   0.01020
O5   0.13640   0.01511   0.20270   1.00000   0.00860
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
Na1 0.03700 0.04700 0.02000 0.00000 0.00000 -0.00330
K1 0.05300 0.03400 0.05900 -0.02900 0.01300 0.00300
As1 0.00160 0.01030 0.01080 0.00000 0.00000 0.00130
As2 0.00390 0.00860 0.00840 0.00000 -0.00050 0.00000
Al1 0.00110 0.00900 0.00890 0.00000 0.00000 0.00030
Al2 0.00280 0.00930 0.00990 0.00000 -0.00010 0.00000
O1 0.02000 0.01300 0.01600 0.00000 0.00000 0.00600
O2 0.00450 0.01240 0.01610 0.00100 -0.00400 -0.00190
O3 0.00600 0.00900 0.01330 0.00000 0.00000 -0.00240
O4 0.00910 0.01160 0.01000 -0.00290 0.00090 0.00170
O5 0.00330 0.01050 0.01200 0.00230 -0.00180 -0.00070