Thiophosphoryl iodide is an inorganic compound with the formula PSI3.[1]
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Other names
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3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| PSI3 | |
| Molar mass | 443.75 g·mol−1 |
| Appearance | red-brown solid[1] |
| Melting point | 48 °C (118 °F; 321 K) |
| Boiling point | decomposes |
| Structure | |
| Tetrahedral at the P atom | |
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Related compounds
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Preparation edit
Thiophosphoryl iodide can be prepared by reacting phosphorus triiodide with sulfur in carbon disulfide at 10–15 °C in the dark for several days.[1][2]
Attempts to synthesise PSI3 by the reaction of lithium iodide with thiophosphoryl bromide lead to the mixed thiophosphoryl halides PSBr2I and PSBrI2 instead.[3]
References edit
- ^ a b c Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 501–503. ISBN 978-0-08-037941-8.
- ^ Arthur D. F. Toy (1975). The Chemistry of Phosphorus. Permanon Texts in Inorganic Chemistry. Vol. 3. Permanon Press. p. 438. ISBN 9781483139593.
- ^ Dillon, K. B.; Craveirinha Dillon, M. G.; Waddington, T. C. (1977). "The identification of some new thiophosphoryl compounds containing P–I bonds by means of 31P N.M.R. spectroscopy". Inorg. Nucl. Chem. Lett. 13 (8): 349–353. doi:10.1016/0020-1650(77)80109-8.
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