Phosphorus trifluorodichloride is a chemical compound with the chemical formula PF3Cl2. The covalent molecule trigonal bipyramidal molecular geometry. The central phosphorus atom has sp3d hybridization, and the molecule has an asymmetric charge distribution. It appears as a colorless gas with a disagreeable odor, and it turns into a liquid at -8 °C.
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CompTox Dashboard (EPA)
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Properties | |
Cl2F3P | |
Molar mass | 158.87 g·mol−1 |
Appearance | Colorless gas |
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Other cations
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antimony trifluorodichloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Phosphorus trifluorodichloride is formed by mixing phosphorus trifluoride with chlorine PF3 + Cl2 → PF3Cl2[2]
The P-F bond length is 1.546 Å for equatorial position and 1.593 for the axial position and the P-Cl bond length is 2.004 Å. The chlorine atoms are in equatorial positions in the molecule.[2]
References
edit- ^ Yaws, Carl L. (2014). "Thermal Conductivity of Gas – Inorganic Compounds". Transport Properties of Chemicals and Hydrocarbons. pp. 384–388. doi:10.1016/B978-0-323-28658-9.00006-8. ISBN 978-0-323-28658-9.
- ^ a b French, Richard J.; Hedberg, Kenneth; Shreeve, Jeanne M.; Gupta, Krishna D. (August 1985). "Dichlorotrifluorophosphorane (PCl2F3): molecular structure by gas-phase electron diffraction and quadratic force field". Inorganic Chemistry. 24 (18): 2774–2777. doi:10.1021/ic00212a014.