data_global
_amcsd_formula_title 'Na2.4K21.6Al24Ge24O96*40H2O'
loop_
_publ_author_name
'Celestian A J'
'Parise J B'
'Goodell C'
'Tripathi A'
'Hanson J'
_journal_name_full 'Chemistry of Materials'
_journal_volume 16 
_journal_year 2004
_journal_page_first 2244
_journal_page_last 2254
_publ_section_title
;
 Time-resolved diffraction studies of ion exchange: K(+) and Na(+) exchange into
 (Al,Ge) gismondine (GIS)Na24Al24Ge24O96*40(H2O) and K8Al8Ge8O32*8(H2O)
;
_database_code_amcsd 0012221
_chemical_formula_sum 'Na.1 K.9 Al Ge O5.666 H3.332'
_cell_length_a 14.42
_cell_length_b 9.87
_cell_length_c 23.33
_cell_angle_alpha 90
_cell_angle_beta 105.92
_cell_angle_gamma 90
_cell_volume 3193.098
_exptl_crystal_density_diffrn      2.884
_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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na1  -0.02920   0.33930   0.44440   0.10000   0.02000
Na2   0.21760   0.86130   0.38400   0.10000   0.02000
Na3   0.01900   0.11830   3.29600   0.10000   0.02000
K1  -0.59000   0.47260  -0.82310   0.45000   0.05000
K2  -0.58870   0.77230  -0.71670   0.45000   0.05000
K3  -1.25670   0.47260  -1.15640   0.45000   0.05000
K4  -1.25540   0.77230  -1.05000   0.45000   0.05000
K5  -0.92330   0.47260  -0.48980   0.45000   0.05000
K6  -0.92200   0.77230  -0.38340   0.45000   0.05000
Al1  -0.50800   0.33970  -0.56650   1.00000   0.02000
Al2  -1.17460   0.33970  -0.89990   1.00000   0.02000
Al3  -0.84130   0.33970  -0.23320   1.00000   0.02000
Ge1  -0.68990   0.41360  -0.68460   1.00000   0.02000
Ge2  -1.35650   0.41360  -1.01800   1.00000   0.02000
Ge3  -1.02320   0.41360  -0.35130   1.00000   0.02000
O1  -0.57733   0.43370  -0.62960   1.00000   0.02000
O10  -1.06240   0.57930  -0.37320   1.00000   0.02000
O11  -1.01220   0.32940  -0.41540   1.00000   0.02000
O12  -1.10470   0.32130  -0.32480   1.00000   0.02000
O2  -0.72910   0.57930  -0.70650   1.00000   0.02000
O3  -0.67890   0.32940  -0.74870   1.00000   0.02000
O4  -0.77140   0.32130  -0.65810   1.00000   0.02000
O5  -1.24400   0.43370  -0.96290   1.00000   0.02000
O6  -1.39580   0.57930  -1.03980   1.00000   0.02000
O7  -1.34560   0.32940  -1.08200   1.00000   0.02000
O8  -1.43800   0.32130  -0.99150   1.00000   0.02000
O9  -0.91070   0.43370  -0.29620   1.00000   0.02000
Wat40  -0.54853   0.48370  -0.79820   0.83300   0.05000
Wat41  -0.56860   0.75890  -0.74130   0.83300   0.05000
Wat42  -1.21520   0.48370  -1.13150   0.83300   0.05000
Wat43  -1.23520   0.75890  -1.07470   0.83300   0.05000
Wat44  -0.88190   0.48370  -0.46480   0.83300   0.05000
Wat45  -0.90190   0.75890  -0.40800   0.83300   0.05000