#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9009985.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_9009985 loop_ _publ_author_name 'Ballirano P' 'Maras A' 'Marchetti F' 'Merlino S' 'Perchiazzi N' _publ_section_title ; Rietveld refinement of chapmanite SbFe2Si2O8OH, a TO dioctahderal kaolinite-like mineral Locality: Tafone mine, Tucsany, Italy ; _journal_name_full 'Powder Diffraction' _journal_page_first 44 _journal_page_last 49 _journal_volume 13 _journal_year 1998 _chemical_formula_sum 'Fe2 H O9 Sb Si2' _[local]_cod_chemical_formula_sum_orig 'Sb Fe2 Si2 O9 H' _chemical_name_mineral Chapmanite _symmetry_space_group_name_H-M 'C 1 m 1' _cell_angle_alpha 90 _cell_angle_beta 101.71 _cell_angle_gamma 90 _cell_length_a 5.225 _cell_length_b 8.997 _cell_length_c 7.780 _cell_volume 358.121 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Sb 0.42300 0.50000 0.74200 0.03800 Fe 0.50500 0.16810 0.00530 0.03800 Si 0.29800 0.16700 0.36100 0.03800 O1 0.29700 0.33370 -0.12700 0.03800 O2 0.29600 0.00000 -0.13000 0.03800 O3 0.22300 0.17050 0.14690 0.03800 O-H 0.69200 0.00000 0.14500 0.03800 O4 0.07300 0.25100 0.44100 0.03800 O5 0.32600 0.00000 0.43900 0.03800