data_global _amcsd_formula_title 'Cr2SiO4' loop_ _publ_author_name 'Dollase W A' 'Seifert F' 'O'Neill H St C' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 21 _journal_year 1994 _journal_page_first 104 _journal_page_last 109 _publ_section_title ; Structure of Cr2SiO4 and possible metal-metal interactions in crystal and melt Sample: P3A, quenched from 37 kbar and 1600 deg C ; _database_code_amcsd 0007858 _chemical_formula_sum 'Cr2 Si O4' _cell_length_a 5.702 _cell_length_b 11.169 _cell_length_c 9.593 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 610.936 _exptl_crystal_density_diffrn 4.263 _symmetry_space_group_name_H-M 'F d d d' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,1/2+z' '1/2+x,1/2+y,z' '3/4+x,-y,3/4+z' '3/4+x,1/2-y,1/4+z' '1/4+x,-y,1/4+z' '1/4+x,1/2-y,3/4+z' '3/4-x,y,3/4-z' '3/4-x,1/2+y,1/4-z' '1/4-x,y,1/4-z' '1/4-x,1/2+y,3/4-z' '-x,3/4+y,3/4+z' '-x,1/4+y,1/4+z' '1/2-x,3/4+y,1/4+z' '1/2-x,1/4+y,3/4+z' 'x,3/4-y,3/4-z' 'x,1/4-y,1/4-z' '1/2+x,3/4-y,1/4-z' '1/2+x,1/4-y,3/4-z' '3/4+x,3/4+y,-z' '3/4+x,1/4+y,1/2-z' '1/4+x,3/4+y,1/2-z' '1/4+x,1/4+y,-z' '3/4-x,3/4-y,z' '3/4-x,1/4-y,1/2+z' '1/4-x,3/4-y,1/2+z' '1/4-x,1/4-y,z' '-x,-y,-z' '-x,1/2-y,1/2-z' '1/2-x,-y,1/2-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Cr 0.12500 0.12500 0.48160 0.01646 Si 0.12500 0.12500 0.12500 0.01267 O -0.04260 0.04880 0.23150 0.00887 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 Cr 0.00758 0.01643 0.02984 0.00065 0.00000 0.00000