# Species Formula 7245 Hafnium(IV) tetrachloride (Geo)Cl4Hf 7246 Hf(IV)O2Cl4 (VEHZAJ) (Geo)C8H16O2Cl4Hf 7247 Hf(IV)O2Cl4 (VEHZAJ)C8H16O2Cl4Hf 7248 Hf(IV)Cl6(2-) (BARWIB) (Geo)Cl6Hf 7249 Hf(IV)Cl6(2-) (BARWIB)Cl6Hf 7250 Hafnium(IV) hexachloride, dianion (Geo)Cl6Hf 7251 Hafnium(I) bromideBrHf 7252 Hafnium(I) bromide (Geo)BrHf 7253 Trimethyl hafnium bromide (Geo)C3H9BrHf 7254 Trimethyl hafnium bromideC3H9BrHf 7255 Hf(IV)(Cp)2Br2 (VIVMUI) (Geo) C20H30Br2Hf 7256 Hf(IV)(Cp)2Br2 (VIVMUI)C20H30Br2Hf 7257 Hafnium(IV) oxide dibromideOBr2Hf 7258 Hafnium(IV) tetrabromideBr4Hf 7259 Hafnium(IV) tetrabromide (Geo)Br4Hf 7260 Hafnium(IV) hexabromideBr6Hf 7261 Hafnium(IV) hexabromide (Geo)Br6Hf 7262 Hafnium(I) iodideIHf 7263 Hafnium(I) iodide (Geo)IHf 7264 Trimethyl hafnium iodide (Geo)C3H9IHf 7265 Trimethyl hafnium iodideC3H9IHf