#------------------------------------------------------------------------------ #$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $ #$Revision: 282068 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/03/9000344.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_9000344 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 = 600 C pyroxene ; _journal_name_full 'American Mineralogist' _journal_page_first 594 _journal_page_last 618 _journal_volume 58 _journal_year 1973 _chemical_formula_sum 'Al Na O6 Si2' _chemical_name_mineral Jadeite _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 107.57 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.469 _cell_length_b 8.614 _cell_length_c 5.24 _cell_volume 407.467 _database_code_amcsd 0000353 _diffrn_ambient_temperature 873.15 _exptl_crystal_density_diffrn 3.295 _cod_original_formula_sum 'Si2 Al Na O6' _cod_database_code 9000344 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 0.01028 0.01083 0.00839 -0.00110 0.00210 -0.00096 Al1 0.01189 0.01165 0.00942 0.00000 0.00151 0.00000 Na2 0.04066 0.02252 0.02182 0.00000 -0.00404 0.00000 O1 0.00912 0.01519 0.01264 -0.00039 0.00148 0.00078 O2 0.02110 0.01338 0.01899 -0.00587 0.00487 -0.00100 O3 0.01532 0.02139 0.01168 0.00024 0.00331 -0.00578 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Si 0.29030 0.09280 0.22640 Al1 0.00000 0.90430 0.25000 Na2 0.00000 0.30070 0.25000 O1 0.10970 0.07560 0.12780 O2 0.36130 0.26150 0.29030 O3 0.35270 0.00650 0.00570 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0000353