data_global _amcsd_formula_title 'Co2SiO4' loop_ _publ_author_name 'Morimoto N' 'Tokonami M' 'Watanabe M' 'Koto K' _journal_name_full 'American Mineralogist' _journal_volume 59 _journal_year 1974 _journal_page_first 475 _journal_page_last 485 _publ_section_title ; Crystal structures of three polymorphs of Co2SiO4 olivine ; _database_code_amcsd 401 _chemical_formula_sum 'Si Co2 O4' _cell_length_a 4.782 _cell_length_b 10.302 _cell_length_c 6.003 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_volume 295.733 _exptl_crystal_density_diffrn 4.715 _symmetry_space_group_name_H-M 'P b n m' loop_ _space_group_symop_operation_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 Si 0.4292 0.0951 0.25 Co1 0.0 0.0 0.0 Co2 0.9917 0.2765 0.25 O1 0.7662 0.0924 0.25 O2 0.2121 0.4504 0.25 O3 0.2835 0.1639 0.0349 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 Si 0.0029 0.00699 0.00602 0.00025 0.0 0.0 Co1 0.0044 0.00807 0.00621 0.00025 -0.00029 -0.00063 Co2 0.00544 0.00699 0.00712 0.00025 0.0 0.0 O1 0.01008 0.00914 0.00748 0.0025 0.0 0.0 O2 0.00985 0.01075 0.00584 -0.0015 0.0 0.0 O3 0.00788 0.00914 0.00767 -0.00025 0.00102 -0.00063