#------------------------------------------------------------------------------ #$Date: 2023-03-24 18:37:27 +0200 (Fri, 24 Mar 2023) $ #$Revision: 282053 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/00/9010072.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_9010072 loop_ _publ_author_name 'Redhammer, G. J.' 'Amthauer, G.' 'Roth, G.' 'Tippelt, G.' 'Lottermoser, W.' _publ_section_title ;Single crystal X-ray diffraction and temperature dependent 57Fe Mossbauer spectroscopy on the hedenbergite - aegirine (Ca,Na)(Fe2+,Fe3+)Si2O6 solid solution Locality: synthetic Sample: Hd21, T = 298 K ; _journal_name_full 'American Mineralogist' _journal_page_first 1271 _journal_page_last 1292 _journal_paper_doi 10.2138/am.2006.2173 _journal_volume 91 _journal_year 2006 _chemical_compound_source Synthetic _chemical_formula_sum 'Ca Fe O6 Si2' _chemical_name_mineral Hedenbergite _space_group_IT_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 104.775 _cell_angle_gamma 90 _cell_length_a 9.8450 _cell_length_b 9.0293 _cell_length_c 5.2450 _cell_volume 450.830 _database_code_amcsd 0004193 _diffrn_ambient_temperature 298 _exptl_crystal_density_diffrn 3.655 _cod_original_formula_sum 'Ca Fe Si2 O6' _cod_database_code 9010072 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,-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 Ca2 0.00000 0.30030 0.25000 0.00720 Fe1 0.00000 0.90750 0.25000 0.00460 Si 0.28780 0.09240 0.23250 0.00360 O1 0.11960 0.09010 0.15230 0.00550 O2 0.36280 0.24640 0.32320 0.00750 O3 0.35010 0.01970 0.99260 0.00610