Αποτελέσματα Αναζήτησης
Chemical Properties of Silicon tetrafluoride (CAS 7783-61-1) PAff : Proton affinity (kJ/mol). BasG : Gas basicity (kJ/mol). SProt : Protonation entropy at 298K (J/mol×K). ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol). ΔfH°(+) ion : Enthalpy of formation of positive ion at standard conditions (kJ/mol).
Silicon tetrafluoride or tetrafluorosilane is a chemical compound with the formula Si F 4. This colorless gas is notable for having a narrow liquid range: its boiling point is only 4 °C above its melting point.
Value Units Method Reference Comment; Δ r G° 226. ± 17. kJ/mol: IMRE: Larson and McMahon, 1985: gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value ...
PubChem CID. 24556. Structure. Chemical Safety. Laboratory Chemical Safety Summary (LCSS) Datasheet. Molecular Formula. F4Si. SiF4. Synonyms. Tetrafluorosilane. SILICON TETRAFLUORIDE. Perfluorosilane. 7783-61-1. Silane, tetrafluoro- View More... Molecular Weight. 104.079 g/mol. Computed by PubChem 2.2 (PubChem release 2021.10.14) Dates. Create:
Silicon tetrafluoride. Formula: F 4 Si. Molecular weight: 104.0791. IUPAC Standard InChI:InChI=1S/F4Si/c1-5 (2,3)4 Copy.
Silicon tetrafluoride or tetrafluorosilane is a chemical compound with the formula Si F 4. This colorless gas is notable for having a narrow liquid range: its boiling point is only 4 °C above its melting point.
29 Απρ 2024 · Silicon tetrafluoride is also known as "tetrafluorosilane". Discovered in 1771 by the famous Swedish chemist Scheele. Chemical formula sif4. Molecular weight 104.08. Colorless gas, asphyxiating odor, toxic! Melting Point -90.2 °c, boiling point -86 °c, -95.2 °c sublimation. Critical temperature -14.15 °c. Critical pressure 3.715MPA.
