data_global _chemical_name_mineral 'Analcime' loop_ _publ_author_name 'Moroz N K' 'Seryotkin Yu V' 'Afanasiev I S' 'Belitzkii I A' _journal_name_full 'Journal of Structural Chemistry' _journal_volume 39 _journal_year 1998 _journal_page_first 281 _journal_page_last 283 _publ_section_title ; Arrangement of extraframework cations in NH4-analcime Note: O5 positions taken from ICSD Note: x(Al1) corrected ; _database_code_amcsd 0014059 _chemical_compound_source 'River Nidym, Siberian platform, Russia' _chemical_formula_sum 'N.94 (Al.94 Si2.06) O6' _cell_length_a 13.218 _cell_length_b 13.218 _cell_length_c 13.710 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2395.350 _exptl_crystal_density_diffrn 2.134 _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 N 0.36740 0.35800 0.11710 0.94000 Al1 0.06140 0.39900 0.16130 0.31330 Si1 0.06140 0.39900 0.16130 0.68670 Al2 0.17240 0.60850 0.12450 0.31330 Si2 0.17240 0.60850 0.12450 0.68670 Al3 0.39260 0.63850 0.08700 0.31330 Si3 0.39260 0.63850 0.08700 0.68670 O1 0.13290 0.30700 0.12030 1.00000 O2 0.10140 0.50640 0.11620 1.00000 O3 0.14480 0.67130 0.22450 1.00000 O4 0.15170 0.68170 0.02990 1.00000 O5 0.29200 0.58300 0.12400 1.00000 O6 0.48960 0.61570 0.15920 1.00000