#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/03/9000346.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_9000346 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 Li O6 Si2' _chemical_name_mineral Spodumene _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 110.15 _cell_angle_gamma 90 _cell_length_a 9.463 _cell_length_b 8.392 _cell_length_c 5.218 _cell_volume 389.017 _diffrn_ambient_temperature 297.15 _exptl_crystal_density_diffrn 3.177 _[local]_cod_chemical_formula_sum_orig 'Si2 Al Li O6' _cod_database_code 9000346 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 0.00167 0.00210 0.00180 -0.00068 0.00066 -0.00019 Al1 0.00215 0.00260 0.00170 0.00000 0.00049 0.00000 Li2 0.01214 0.01440 0.01651 0.00000 0.00446 0.00000 O1 0.00256 0.00389 0.00216 -0.00036 0.00015 0.00002 O2 0.00554 0.00426 0.00771 -0.00249 0.00339 -0.00061 O3 0.00387 0.00858 0.00278 0.00092 0.00056 -0.00247 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Si 0.29410 0.09350 0.25600 Al1 0.00000 0.90660 0.25000 Li2 0.00000 0.27520 0.25000 O1 0.10990 0.08230 0.14020 O2 0.36460 0.26730 0.30090 O3 0.35650 0.98710 0.05780