#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/03/9000342.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_9000342 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 = 24 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_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 107.56 _cell_angle_gamma 90 _cell_length_a 9.423 _cell_length_b 8.564 _cell_length_c 5.223 _cell_volume 401.848 _diffrn_ambient_temperature 297.15 _exptl_crystal_density_diffrn 3.341 _cod_original_formula_sum 'Si2 Al Na O6' _cod_database_code 9000342 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,-z 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 0.00552 0.00476 0.00242 -0.00047 0.00061 -0.00017 Al1 0.00605 0.00461 0.00301 0.00000 0.00086 0.00000 Na2 0.01734 0.00940 0.00999 0.00000 0.00029 0.00000 O1 0.00523 0.00695 0.00427 -0.00012 0.00057 -0.00015 O2 0.00985 0.00620 0.00676 -0.00160 0.00175 -0.00065 O3 0.00810 0.00888 0.00358 0.00008 0.00111 -0.00115 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Si 0.29060 0.09330 0.22770 Al1 0.00000 0.90580 0.25000 Na2 0.00000 0.30050 0.25000 O1 0.10920 0.07600 0.12850 O2 0.36110 0.26330 0.29320 O3 0.35370 0.00720 0.00600