data_global _chemical_name_mineral 'Stishovite' loop_ _publ_author_name 'Endo S' 'Akai T' 'Akahama Y' 'Wakatsuki M' 'Nakamura T' 'Tomii Y' 'Koto K' 'Ito Y' 'Tokonami M' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 13 _journal_year 1986 _journal_page_first 146 _journal_page_last 151 _publ_section_title ; High temperature X-ray study of single crystal stishovite synthesized with Li2WO4 as flux Sample: T = 300 C ; _database_code_amcsd 0007381 _chemical_formula_sum 'Si O2' _cell_length_a 4.1898 _cell_length_b 4.1898 _cell_length_c 2.6694 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 46.860 _exptl_crystal_density_diffrn 4.258 _symmetry_space_group_name_H-M 'P 42/m n m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,x,-z' '1/2+y,1/2-x,1/2-z' '1/2-y,1/2+x,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' 'x,y,-z' '-x,-y,z' 'y,x,z' '-y,-x,-z' '1/2-y,1/2+x,1/2-z' '1/2+y,1/2-x,1/2+z' '1/2-x,1/2+y,1/2+z' '1/2+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 Si 0.00000 0.00000 0.00000 0.00393 O 0.30570 0.30570 0.00000 0.00481 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 0.00471 0.00471 0.00209 -0.00062 0.00000 0.00000 O 0.00551 0.00551 0.00390 -0.00276 0.00000 0.00000