data_global
_chemical_name_mineral 'Analcime'
loop_
_publ_author_name
'Mazzi F'
'Galli E'
_journal_name_full 'American Mineralogist'
_journal_volume 63 
_journal_year 1978
_journal_page_first 448
_journal_page_last 460
_publ_section_title
;
 Is each analcime different?
 ANA 7
;
_database_code_amcsd 0000660
_chemical_formula_sum '(Si4.02 Al1.98) Na2.01 O14 H4'
_cell_length_a 13.727
_cell_length_b 13.714
_cell_length_c 13.740
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2586.584
_exptl_crystal_density_diffrn      2.263
_symmetry_space_group_name_H-M 'I b c a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,+z'
  '-x,1/2+y,1/2-z'
  '1/2-x,+y,-z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,+z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  'x,1/2+y,-z'
  '1/2+x,+y,1/2-z'
  '-x,1/2-y,z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-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
Si11   0.12400   0.16210   0.41250   0.70000   0.01127
Al11   0.12400   0.16210   0.41250   0.30000   0.01127
Si12   0.41240   0.12540   0.16260   0.81000   0.01102
Al12   0.41240   0.12540   0.16260   0.19000   0.01102
Si2   0.16220   0.41230   0.12540   0.50000   0.01102
Al2   0.16220   0.41230   0.12540   0.50000   0.01102
Na11   0.12570   0.00000   0.25000   0.69000   0.03698
Na12   0.25000   0.12480   0.00000   0.52000   0.03192
Na2   0.00000   0.25000   0.12460   0.80000   0.03648
O11   0.10390   0.36320   0.22060   1.00000   0.02710
O12   0.38610   0.14590   0.46980   1.00000   0.02710
O21   0.21810   0.10460   0.36580   1.00000   0.02748
O22   0.14500   0.46820   0.38250   1.00000   0.02786
O31   0.36760   0.21970   0.10470   1.00000   0.02875
O32   0.47040   0.38450   0.14590   1.00000   0.02812
Wat   0.12710   0.12390   0.12380   1.00000   0.07637