data_9007150 _chemical_name 'Stishovite' loop_ _publ_author_name 'Yamanaka T' 'Fukuda T' 'Tsuchiya J' _journal_name_full "Physics and Chemistry of Minerals" _journal_volume 29 _journal_year 2002 _journal_page_first 633 _journal_page_last 641 _publ_section_title ; Bonding character of SiO2 stishovite under high pressures up to 30 GPa Sample: P = 1 atm ; _chemical_formula_sum 'Si O2' _cell_length_a 4.1812 _cell_length_b 4.1812 _cell_length_c 2.6662 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 46.612 _symmetry_space_group_name_H-M 'P 42/m n m' loop_ _symmetry_equiv_pos_as_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 Si 0.00000 0.00000 0.00000 O 0.30630 0.30630 0.00000