#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9009488.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_9009488 _space_group_IT_number 166 _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _[local]_cod_cif_authors_sg_H-M 'R -3 m' loop_ _publ_author_name 'Braithwaite R S W' 'Dunn P J' 'Pritchard R G' 'Paar W H' _publ_section_title ; Iowaite, a re-investigation Locality: Palabora open pit mine, Phalaborwa, Transvaal ; _journal_name_full 'Mineralogical Magazine' _journal_page_first 79 _journal_page_last 85 _journal_volume 58 _journal_year 1994 _chemical_formula_sum 'Cl0.25 Fe0.25 H10.64 Mg0.75 O2.5' _[local]_cod_chemical_formula_sum_orig '(Mg.75 Fe.25) O2.5 H10.64 Cl.25' _chemical_name_mineral Iowaite _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 3.1183 _cell_length_b 3.1183 _cell_length_c 24.113 _cell_volume 203.057 loop_ _symmetry_equiv_pos_as_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z x,x-y,z 2/3+x,1/3+x-y,1/3+z 1/3+x,2/3+x-y,2/3+z y,x,-z 2/3+y,1/3+x,1/3-z 1/3+y,2/3+x,2/3-z -x+y,y,z 2/3-x+y,1/3+y,1/3+z 1/3-x+y,2/3+y,2/3+z -x,-x+y,-z 2/3-x,1/3-x+y,1/3-z 1/3-x,2/3-x+y,2/3-z -y,-x,z 2/3-y,1/3-x,1/3+z 1/3-y,2/3-x,2/3+z x-y,-y,-z 2/3+x-y,1/3-y,1/3-z 1/3+x-y,2/3-y,2/3-z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 1/3+x-y,2/3+x,2/3-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 Mg 0.00000 0.00000 0.00000 0.75000 ? Fe 0.00000 0.00000 0.00000 0.25000 ? O 0.33333 0.66667 0.04206 1.00000 ? H 0.33333 0.66667 0.06700 1.00000 0.01000 Cl 0.21050 0.78950 0.16667 0.04170 ? Wat 0.21050 0.78950 0.16667 0.08330 ? 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 Mg 0.00770 0.00770 0.02680 0.00390 0.00000 0.00000 Fe 0.00770 0.00770 0.02680 0.00390 0.00000 0.00000 O 0.01660 0.01660 0.01910 0.00580 0.00000 0.00000 Cl 0.24500 0.23200 0.04600 0.00000 0.00000 0.01700 Wat 0.24500 0.23200 0.04600 0.00000 0.00000 0.01700