# Species Formula 1918 Trifluorosilane (Geo)HF3Si 1919 TrifluorosilaneHF3Si 1920 SiF3N2 (CEWVEF) (Geo)C7H9N2F3Si 1921 SiF3N2 (CEWVEF)C7H9N2F3Si 1922 SiF3C (BAZGUF) (Geo)C2H5OF3Si 1923 SiF3C (BAZGUF)C2H5OF3Si 1924 Tetrafluorosilane (Geo)F4Si 1925 Silicon tetrafluorideF4Si 1926 Silicon pentafluoride, anionF5Si 1927 Trifluorosilyldifluoroborane (Geo)BF5Si 1928 SiF6(2-) (JIJKOC) (Geo) F6Si 1929 SiF6(2-) (JIJKOC)F6Si 1930 DisilaneH6Si2 1931 Disilane (Geo)H6Si2 1932 HexamethyldisilaneC6H18Si2 1933 HexamethyldisilazaneC6H19NSi2 1934 HexamethyldisiloxaneC6H18OSi2 1935 H6Si2O7H6O7Si2 1936 TrisilaneH8Si3 1937 Cyclopentasilane (Geo)H10Si5 1938 Si(SiMe3)4 (GUFMOJ) (Geo)C12H36Si5