#------------------------------------------------------------------------------ #$Date: 2016-02-16 12:49:47 +0000 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: svn://www.crystallography.net/cod/cif/9/00/74/9007408.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_9007408 loop_ _publ_author_name 'Rinaldi, R.' 'Gatta, G. D.' 'Artioli, G.' 'Knight, K. S.' 'Geiger, C. A.' _publ_section_title ; Crystal chemistry, cation ordering and thermoelastic behavior of CoMgSiO4 olivine at high temperature as studied by in situ neutron powder diffraction Sample: T = 600 C ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 655 _journal_page_last 664 _journal_paper_doi 10.1007/s00269-005-0040-3 _journal_volume 32 _journal_year 2005 _chemical_formula_structural CoMgSiO4 _chemical_formula_sum 'Co Mg O4 Si' _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 4.80159 _cell_length_b 10.34656 _cell_length_c 6.04592 _cell_volume 300.361 _diffrn_ambient_temperature 873.15 _exptl_crystal_density_diffrn 3.877 _cod_original_formula_sum '(Co Mg) Si O4' _cod_database_code 9007408 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_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Co1 0.00000 0.00000 0.00000 0.69000 0.01287 Mg1 0.00000 0.00000 0.00000 0.31000 0.01287 Co2 0.98800 0.27787 0.25000 0.31000 0.01358 Mg2 0.98800 0.27787 0.25000 0.69000 0.01358 Si 0.42570 0.09582 0.25000 1.00000 0.01001 O1 0.76560 0.09386 0.25000 1.00000 0.01497 O2 0.21730 0.44962 0.25000 1.00000 0.01623 O3 0.27975 0.16435 0.03417 1.00000 0.01580