#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/30/9013099.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_9013099 loop_ _publ_author_name 'Takeuchi, Y.' 'Yamanaka, T.' 'Haga, N.' 'Hirano, M.' _publ_section_title ; High-temperature crystallography of olivines and spinels T = 1210 degree C ; _journal_name_full 'Materials Science of the Earth's Interior, edited by Sunagawa' _journal_page_first 191 _journal_page_last 231 _journal_volume 1984 _journal_year 1984 _chemical_formula_sum 'Mg2 O4 Si' _chemical_name_mineral Forsterite _space_group_IT_number 62 _symmetry_space_group_name_Hall '-P 2c 2ab' _symmetry_space_group_name_H-M 'P b n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 4.808 _cell_length_b 10.378 _cell_length_c 6.077 _cell_volume 303.227 _diffrn_ambient_temperature 1483.15 _exptl_crystal_density_diffrn 3.082 _cod_original_formula_sum 'Mg2 Si O4' _cod_database_code 9013099 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,y,1/2-z -x,-y,1/2+z 1/2+x,1/2-y,1/2+z 1/2-x,1/2+y,1/2-z 1/2-x,1/2+y,z 1/2+x,1/2-y,-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 0.02928 0.03983 0.03124 -0.00152 -0.00429 -0.00735 Mg2 0.03478 0.02510 0.03929 0.00152 0.00000 0.00000 Si 0.01757 0.02084 0.02526 0.00025 0.00000 0.00000 O1 0.02026 0.03328 0.03742 0.00076 0.00000 0.00000 O2 0.02811 0.01964 0.03742 0.00000 0.00000 0.00000 O3 0.02904 0.03274 0.03386 0.00177 0.00000 0.00831 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mg1 0.00000 0.00000 0.00000 0.03344 Mg2 0.99320 0.27990 0.25000 0.03306 Si 0.42680 0.09460 0.25000 0.02128 O1 0.76310 0.09110 0.25000 0.03040 O2 0.22040 0.44990 0.25000 0.02837 O3 0.28290 0.16290 0.03650 0.03192