data_global
_chemical_name_mineral 'Ammonioleucite'
loop_
_publ_author_name
'Yamada M'
'Miyawaki R'
'Nakai I'
'Izumi F'
'Nagashima K'
_journal_name_full 'Mineralogical Journal'
_journal_volume 20 
_journal_year 1998
_journal_page_first 105
_journal_page_last 112
_publ_section_title
;
 A Rietveld analysis of the crystal structure of ammonioleucite
;
_database_code_amcsd 0014433
_chemical_formula_sum 'N.53 K.34 Al.89 Si2.11 O6'
_cell_length_a 13.2106
_cell_length_b 13.2106
_cell_length_c 13.7210
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2394.588
_exptl_crystal_density_diffrn      2.219
_symmetry_space_group_name_H-M 'I 41/a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '3/4+y,1/4-x,1/4-z'
  '1/4+y,3/4-x,3/4-z'
  '3/4-y,1/4+x,1/4+z'
  '1/4-y,3/4+x,3/4+z'
  '1/2+x,y,1/2-z'
  '+x,1/2+y,-z'
  '1/2-x,-y,1/2+z'
  '-x,1/2-y,+z'
  '3/4-y,3/4+x,3/4-z'
  '1/4-y,1/4+x,1/4-z'
  '3/4+y,3/4-x,3/4+z'
  '1/4+y,1/4-x,1/4+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
NH4   0.35800   0.36800   0.11200   0.53000   0.08232
K   0.35800   0.36800   0.11200   0.34000   0.08232
Al1   0.06320   0.39500   0.16720   0.29660   0.01216
Si1   0.06320   0.39500   0.16720   0.70330   0.01216
Al2   0.16680   0.61150   0.12500   0.29660   0.01127
Si2   0.16680   0.61150   0.12500   0.70330   0.01127
Al3   0.39000   0.64180   0.08720   0.29660   0.01229
Si3   0.39000   0.64180   0.08720   0.70330   0.01229
O1   0.12400   0.30400   0.11100   1.00000   0.03002
O2   0.10600   0.50700   0.12600   1.00000   0.02938
O3   0.13000   0.66300   0.22460   1.00000   0.02305
O4   0.12500   0.67000   0.03100   1.00000   0.02381
O5   0.29210   0.58300   0.12400   1.00000   0.02520
O6   0.48200   0.62700   0.16200   1.00000   0.02368