#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000137.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_9000137 _chemical_name 'Krausite' loop_ _publ_author_name 'Graeber E J' 'Morosin B' 'Rosenzweig A' _journal_name_full "American Mineralogist" _journal_volume 50 _journal_year 1965 _journal_page_first 1929 _journal_page_last 1936 _publ_section_title ; The crystal structure of krausite, KFe(SO4)2.H2O ; _chemical_formula_sum 'Fe K S2 O9 H2' _cell_length_a 7.908 _cell_length_b 5.152 _cell_length_c 8.988 _cell_angle_alpha 90 _cell_angle_beta 102.75 _cell_angle_gamma 90 _cell_volume 357.160 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe 0.08920 0.25000 0.22770 K 0.57420 0.25000 0.21530 S1 0.66550 0.25000 0.65330 S2 0.15550 0.25000 0.88120 O1 0.74010 0.25000 0.51910 O2 0.47790 0.25000 0.62420 O3 0.72790 0.01710 0.74940 O4 0.06020 0.25000 0.00570 O5 0.34160 0.25000 0.93630 O6 0.10150 0.01540 0.78480 Wat7 0.10690 0.25000 0.45630