#------------------------------------------------------------------------------ #$Date: 2024-05-02 13:48:35 +0300 (Thu, 02 May 2024) $ #$Revision: 291455 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/66/9006648.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # 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_paper_doi 10.1007/s002690050215 _journal_volume 26 _journal_year 1999 _chemical_formula_structural Mn2Al4Si5O18 _chemical_formula_sum 'Al4 Mn2 O18 Si5' _space_group_IT_number 66 _symmetry_space_group_name_Hall '-C 2 2c' _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_formula_units_Z 4 _cell_volume 1529.724 _database_code_amcsd 0008230 _exptl_crystal_density_diffrn 2.806 _cod_original_formula_sum 'Mn2 Al4 Si5 O18' _cod_database_code 9006648 _amcsd_formula_title Mn2Al4Si5O18 loop_ _space_group_symop_operation_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 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0008230