#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9006648.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_9006648 loop_ _publ_author_name 'Knorr K' 'Meschke M' 'Winkler B' _publ_section_title ; Structural and magnetic properties of Co2Al4Si5O18 and Mn2Al4Si5O18 cordierite ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 521 _journal_page_last 529 _journal_volume 26 _journal_year 1999 _chemical_formula_sum 'Al4 Mn2 O18 Si5' _[local]_cod_chemical_formula_sum_orig 'Mn2 Al4 Si5 O18' _chemical_name_mineral Mn2Al4Si5O18 _symmetry_space_group_name_H-M 'C c c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 17.128 _cell_length_b 9.764 _cell_length_c 9.147 _cell_volume 1529.724 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 -x,y,1/2-z 1/2-x,1/2+y,1/2-z -x,y,1/2+z 1/2-x,1/2+y,1/2+z x,-y,1/2-z 1/2+x,1/2-y,1/2-z x,y,-z 1/2+x,1/2+y,-z -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 Mn 0.33600 0.00000 0.25000 0.01393 AlT11 0.25000 0.25000 0.26200 0.01013 SiT16 0.00000 0.50000 0.25000 0.01013 SiT21 0.18600 0.08600 0.00000 0.01013 SiT23 0.13100 -0.24100 0.00000 0.01013 AlT26 0.04500 0.29900 0.00000 0.01013 O1 0.24380 -0.10540 0.35700 0.01165 O2 0.06040 -0.40660 0.35300 0.01165 O3 -0.17730 -0.30440 0.35800 0.01165 O4 0.04160 -0.24550 0.00000 0.01165 O5 0.11640 0.18800 0.00000 0.01165 O6 0.16490 -0.07600 0.00000 0.01165 _cod_database_code 9006648