#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/03/9000330.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_9000330 loop_ _publ_author_name 'Cameron, M.' 'Sueno, S.' 'Prewitt, C. T.' 'Papike, J. J.' _publ_section_title ;High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, spodumene, and ureyite T = 800 C pyroxene ; _journal_name_full 'American Mineralogist' _journal_page_first 594 _journal_page_last 618 _journal_volume 58 _journal_year 1973 _chemical_formula_sum 'Fe Na O6 Si2' _chemical_name_mineral Aegirine _space_group_crystal_system monoclinic _space_group_IT_number 15 _space_group_name_Hall '-C 2yc' _space_group_name_H-M_alt 'C 1 2/c 1' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 107.29 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.711 _cell_length_b 8.876 _cell_length_c 5.312 _cell_volume 437.177 _database_code_amcsd 0000339 _diffrn_ambient_temperature 1073.15 _exptl_crystal_density_diffrn 3.510 _cod_original_formula_sum 'Si2 Fe Na O6' _cod_database_code 9000330 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 1/2+x,1/2+y,z 3 x,-y,1/2+z 4 1/2+x,1/2-y,1/2+z 5 -x,y,1/2-z 6 1/2-x,1/2+y,1/2-z 7 -x,-y,-z 8 1/2-x,1/2-y,-z 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 Si 0.01185 0.01740 0.01329 -2.04299 0.00350 -0.63859 Fe1 0.01442 0.01824 0.01557 0.00000 0.00291 0.00000 Na2 0.05714 0.03424 0.03377 0.00000 -0.00343 0.00000 O1 0.01198 0.02558 0.01801 -1.66775 0.00264 2.02980 O2 0.02570 0.02036 0.03139 -0.00884 0.00843 -0.00253 O3 0.01829 0.03233 0.01845 -0.62540 0.00541 -0.00648 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Si 0.29020 0.08880 0.23270 Fe1 0.00000 0.89690 0.25000 Na2 0.00000 0.30020 0.25000 O1 0.11460 0.07710 0.13560 O2 0.35880 0.25320 0.29670 O3 0.35070 0.00700 0.00930 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0000339