#------------------------------------------------------------------------------ #$Date: 2024-05-02 13:48:35 +0300 (Thu, 02 May 2024) $ #$Revision: 291455 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/80/9008077.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_9008077 loop_ _publ_author_name 'Morimoto, N.' 'Appleman, D. E.' 'Evans, H. T.' _publ_section_title ; The crystal structures of clinoenstatite and pigeonite ; _journal_name_full 'Zeitschrift fur Kristallographie' _journal_page_first 120 _journal_page_last 147 _journal_volume 114 _journal_year 1960 _chemical_compound_source 'Bishopville, South Carolina meteorite, heat-treated' _chemical_formula_sum 'Mg O3 Si' _chemical_name_mineral Clinoenstatite _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 71.67 _cell_angle_gamma 90 _cell_length_a 9.620 _cell_length_b 8.825 _cell_length_c 5.188 _cell_formula_units_Z 8 _cell_volume 418.095 _database_code_amcsd 0010589 _exptl_crystal_density_diffrn 3.190 _cod_original_formula_sum 'Mg Si O3' _cod_database_code 9008077 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_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mg2 0.24700 0.34700 0.22000 0.00285 Mg1 0.24200 0.98600 0.19300 0.00317 Si1 0.45700 0.65800 0.29400 0.00418 Si2 0.05300 0.66100 0.26400 0.00602 O1A 0.36200 0.15600 0.32000 0.00773 O1B 0.12400 0.15900 0.11200 0.01083 O2A 0.37700 0.49800 0.29800 0.02039 O2B 0.13700 0.51800 0.10300 0.00842 O3A 0.39500 0.77500 0.10100 0.00887 O3B 0.10500 0.81300 0.05100 0.00507 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0010589