#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9004545.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9004545 loop_ _publ_author_name 'Cooper M A' 'Hawthorne F C' _publ_section_title ; The effect of differences in coordination on ordering of polyvalent cations in close-packed structures: The crystal structure of arakiite and comparison with hematolite ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 1471 _journal_page_last 1482 _journal_volume 37 _journal_year 1999 _chemical_formula_sum 'Al0.74 As3 Fe1.26 H23 Mg4.23 Mn8.06 O34 Zn0.71' _[local]_cod_chemical_formula_sum_orig 'Zn.71 Mn8.06 Fe1.26 Mg4.23 Al.74 As3 O34 H23' _chemical_name_mineral Arakiite _symmetry_space_group_name_H-M 'C 1 c 1' _cell_angle_alpha 90 _cell_angle_beta 93.52 _cell_angle_gamma 90 _cell_length_a 14.236 _cell_length_b 8.206 _cell_length_c 24.225 _cell_volume 2824.641 loop_ _symmetry_equiv_pos_as_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 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 Zn1 0.00000 0.24340 0.00000 0.71000 0.00850 Mn1 0.00000 0.24340 0.00000 0.29000 0.00850 Mn1 0.91370 0.37110 0.12970 1.00000 0.01180 Mn2 0.68360 0.38970 0.12810 1.00000 0.01300 Mn3 0.78710 0.03120 0.12920 1.00000 0.01190 Fe4 0.13050 0.26620 0.12850 1.00000 0.00880 Mn5 0.98950 0.00260 0.22970 1.00000 0.00910 Mn6 0.34380 0.16960 0.23060 1.00000 0.00990 Mn7 0.58300 0.11770 0.22980 1.00000 0.01030 Mn8 0.48160 0.26130 0.34040 0.80000 0.01020 Mg8 0.48160 0.26130 0.34040 0.20000 0.01020 Mn9 0.84860 0.47370 0.42920 0.10000 0.01250 Mg9 0.84860 0.47370 0.42920 0.90000 0.01250 Mn10 0.92170 0.11470 0.42940 0.13000 0.01330 Mg10 0.92170 0.11470 0.42940 0.87000 0.01330 Mn11 0.06070 0.40540 0.43110 0.31000 0.00790 Mg11 0.06070 0.40540 0.43110 0.69000 0.00790 Mn12 0.28020 0.32920 0.43160 0.28000 0.00880 Mg12 0.28020 0.32920 0.43160 0.72000 0.00880 Mn13 0.13050 0.03830 0.42780 0.15000 0.00730 Mg13 0.13050 0.03830 0.42780 0.85000 0.00730 Fe14 0.70470 0.18590 0.43070 0.26000 0.00950 Al14 0.70470 0.18590 0.43070 0.74000 0.00950 As1 0.14640 0.26240 0.30840 1.00000 0.00770 As2 0.80510 0.26390 0.22820 1.00000 0.00940 As3 0.45950 0.26390 0.10910 1.00000 0.00750 O1 0.88700 0.15600 0.18930 1.00000 0.01250 O2 0.70500 0.19000 0.18840 1.00000 0.01160 O3 0.81200 0.44400 0.18890 1.00000 0.01560 O4 0.03500 0.21600 0.28660 1.00000 0.01710 O5 0.17300 0.45300 0.28650 1.00000 0.01620 O6 0.22500 0.12600 0.28540 1.00000 0.01470 O7 0.15400 0.25900 0.38030 1.00000 0.00950 O8 0.40800 0.09200 0.08480 1.00000 0.01520 O9 0.56900 0.27700 0.08630 1.00000 0.01450 O10 0.46600 0.26100 0.17910 1.00000 0.01240 O11 0.39500 0.42600 0.08530 1.00000 0.01500 O-H1 0.00900 0.21900 0.08230 1.00000 0.00660 O-H2 0.62600 0.31800 0.47720 1.00000 0.01070 O-H3 0.39700 0.41500 0.47920 1.00000 0.01230 O-H4 0.46600 0.02900 0.48030 1.00000 0.01630 O-H5 0.10700 0.06500 0.17780 1.00000 0.01150 O-H6 0.04800 0.39600 0.17830 1.00000 0.01540 O-H7 0.24500 0.32200 0.17880 1.00000 0.01100 O-H8 0.15800 0.45700 0.08290 1.00000 0.01150 O-H9 0.20400 0.11200 0.08210 1.00000 0.01270 O-H10 0.72300 0.38500 0.38810 1.00000 0.01450 O-H11 0.79000 0.05400 0.38900 1.00000 0.01440 O-H12 0.59400 0.11600 0.38360 1.00000 0.01330 O-H13 0.82100 0.25500 0.47220 1.00000 0.01430 O-H14 0.18600 0.48600 0.47260 1.00000 0.01220 O-H15 0.36200 0.18100 0.38270 1.00000 0.01280 O-H16 0.93800 0.33000 0.38820 1.00000 0.00790 O-H17 0.25600 0.11100 0.47140 1.00000 0.01730 O-H18 0.04400 0.18400 0.47140 1.00000 0.00930 O-H19 0.50800 0.49000 0.37980 1.00000 0.01360 O-H20 0.46200 0.07000 0.27810 1.00000 0.01290 O-H21 0.38600 0.38200 0.27780 1.00000 0.01180 O-H22 0.58300 0.33700 0.27730 1.00000 0.01500 O-H23 0.79300 0.26200 0.08600 1.00000 0.00950