#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/82/9008299.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9008299 loop_ _publ_author_name 'Abdeen, A. M.' 'Will, G.' 'Schafer, W.' 'Kirfel, A.' 'Bargouth, M. O.' 'Recker, K.' 'Weiss, A.' _publ_section_title ; X-ray and neutron diffraction study of alums: II. The crystal structure of methylammonium aluminium alum III. The crystal structure of ammonium aluminium alum Note: Neutron data ; _journal_name_full 'Zeitschrift fur Kristallographie' _journal_page_first 147 _journal_page_last 166 _journal_volume 157 _journal_year 1981 _chemical_formula_sum 'Al H28 N O20 S2' _chemical_name_mineral Tschermigite _space_group_IT_number 205 _symmetry_space_group_name_Hall '-P 2ac 2ab 3' _symmetry_space_group_name_H-M 'P a -3' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 12.248 _cell_length_b 12.248 _cell_length_c 12.248 _cell_volume 1837.365 _exptl_crystal_density_diffrn 1.639 _[local]_cod_cif_authors_sg_H-M 'P a 3' _[local]_cod_chemical_formula_sum_orig 'N H28 Al S2 O20' _cod_database_code 9008299 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+z,x,1/2-y z,1/2-x,1/2+y 1/2-z,1/2+x,y -z,-x,-y 1/2+y,1/2-z,-x 1/2-y,-z,1/2+x -y,1/2+z,1/2-x y,z,x x,1/2-y,1/2+z 1/2-x,1/2+y,z 1/2+x,y,1/2-z -x,-y,-z 1/2-z,-x,1/2+y -z,1/2+x,1/2-y 1/2+z,1/2-x,-y z,x,y 1/2-y,1/2+z,x 1/2+y,z,1/2-x y,1/2-z,1/2+x -y,-z,-x -x,1/2+y,1/2-z 1/2+x,1/2-y,-z 1/2-x,-y,1/2+z 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 N 0.02052 0.02052 0.02052 -0.00988 -0.00988 -0.00988 Hn1 0.13604 0.13604 0.13604 0.07220 0.07220 0.07220 Hn2 0.08816 0.19075 0.02812 -0.00760 0.02128 -0.04104 Al 0.02432 0.02432 0.02432 0.00000 0.00000 0.00000 S 0.05092 0.05092 0.05092 0.00912 0.00912 0.00912 O1A 0.07220 0.07220 0.07220 0.00076 0.00076 0.00076 O1B 0.12236 0.12236 0.12236 -0.05852 -0.05852 -0.05852 O2A 0.03420 0.06308 0.03952 0.02204 0.01520 0.02736 O2B 0.04408 0.27891 0.10792 0.05472 -0.01596 0.06840 Ow1 0.04332 0.01672 0.03040 -0.00760 0.00380 -0.00836 Ow2 0.04788 0.02584 0.04712 -0.00380 0.01444 -0.00532 H1 0.04256 0.06612 0.03192 -0.00076 -0.00076 0.00456 H2 0.06460 0.03192 0.02812 0.00532 -0.02660 0.00456 H3 0.06840 0.06764 0.04864 0.00912 -0.01596 -0.00380 H4 0.06992 0.06460 0.10032 0.00304 -0.04484 -0.03040 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 N 0.50700 0.50700 0.50700 0.50000 0.02052 Hn1 0.43890 0.43890 0.43890 0.50000 0.13590 Hn2 0.43750 0.49690 0.53140 0.50000 0.10221 Al 0.00000 0.00000 0.00000 1.00000 0.02432 S 0.31110 0.31110 0.31110 1.00000 0.05091 O1A 0.23850 0.23850 0.23850 0.83100 0.07206 O1B 0.38310 0.38310 0.38310 0.16900 0.12222 O2A 0.31370 0.26400 0.41990 0.83100 0.04547 O2B 0.21050 0.35560 0.28230 0.16900 0.14350 Ow1 0.01770 0.98290 0.15300 1.00000 0.03014 Ow2 0.04420 0.13670 0.29900 1.00000 0.04028 H1 0.02750 0.04320 0.20590 1.00000 0.04686 H2 0.04290 0.91710 0.18740 1.00000 0.04154 H3 0.99580 0.19650 0.28340 1.00000 0.06155 H4 0.11820 0.16760 0.29370 1.00000 0.07840