#------------------------------------------------------------------------------ #$Date: 2023-03-24 18:37:27 +0200 (Fri, 24 Mar 2023) $ #$Revision: 282053 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/07/9000792.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_9000792 loop_ _publ_author_name 'Gordon, W. A.' 'Peacor, D. R.' 'Brown, P. E.' 'Essene, E. J.' 'Allard, L. F.' _publ_section_title ;Exsolution relationship in a clinopyroxene of average composition Ca0.43Mn0.69Mg0.82Si2O6: X-ray diffraction and analytical electron microscopy ; _journal_name_full 'American Mineralogist' _journal_page_first 127 _journal_page_last 141 _journal_volume 66 _journal_year 1981 _chemical_formula_sum 'Mg0.52 Mn0.48 O3 Si' _chemical_name_mineral Kanoite _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 108.6 _cell_angle_gamma 90 _cell_length_a 9.78 _cell_length_b 8.93 _cell_length_c 5.32 _cell_volume 440.356 _database_code_amcsd 0000806 _exptl_crystal_density_diffrn 3.472 _cod_original_formula_sum '(Mg.52 Mn.48) Si O3' _cod_database_code 9000792 loop_ _space_group_symop_operation_xyz x,y,z x,1/2-y,1/2+z -x,1/2+y,1/2-z -x,-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 Mg1 0.00566 0.00687 0.00927 0.00042 0.00047 0.00091 Mn1 0.00566 0.00687 0.00927 0.00042 0.00047 0.00091 Mn2 0.01001 0.01252 0.01352 0.00126 0.00142 0.00091 Mg2 0.01001 0.01252 0.01352 0.00126 0.00142 0.00091 Si1a 0.00740 0.00768 0.01236 -0.00084 0.00260 -0.00137 Si1b 0.00696 0.00848 0.01236 -0.00042 0.00260 -0.00137 O1a 0.00827 0.00929 0.01777 0.00084 0.00379 0.00205 O1b 0.01088 0.00889 0.01494 0.00042 0.00450 0.00228 O2a 0.01349 0.01050 0.01597 -0.00335 0.00379 -0.00274 O2b 0.00827 0.01535 0.01868 -0.00168 0.00213 -0.00388 O3a 0.00914 0.01656 0.01674 -0.00294 0.00284 0.00388 O3b 0.01001 0.01778 0.01443 0.00168 0.00118 0.00776 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Mg1 0.25050 0.65440 0.23570 0.90000 Mn1 0.25050 0.65440 0.23570 0.10000 Mn2 0.25340 0.02350 0.23320 0.86000 Mg2 0.25340 0.02350 0.23320 0.14000 Si1a 0.04130 0.34110 0.27100 1.00000 Si1b 0.54660 0.83880 0.24080 1.00000 O1a 0.86740 0.33830 0.16520 1.00000 O1b 0.37260 0.83820 0.13670 1.00000 O2a 0.11810 0.50090 0.32550 1.00000 O2b 0.62390 0.99160 0.35890 1.00000 O3a 0.10340 0.25900 0.57070 1.00000 O3b 0.60380 0.71610 0.49010 1.00000