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Izvorni znanstveni članak
Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen
Janusz Szklarzewicz
; Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakóv, Poland
Dariusz Matoga
; Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakóv, Poland
Alina Samotus
; Faculty of Chemistry, Jagiellonian University, R. Ingardena 3, 30-060 Krakóv, Poland
John Burgess
; Department of Chemistry, University of Leicester, Leicester LE1 7RH, UK
John Fawcett
; Department of Chemistry, University of Leicester, Leicester LE1 7RH, UK
David R. Russell
; Department of Chemistry, University of Leicester, Leicester LE1 7RH, UK
| Puni tekst: engleski, pdf (173 KB) | str. 529-544 | citiraj | |
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APA 6th Edition Szklarzewicz, J., Matoga, D., Samotus, A., Burgess, J., Fawcett, J. i Russell, D.R. (2001). Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen. Croatica Chemica Acta, 74 (3), 529-544. Preuzeto s https://hrcak.srce.hr/131857 MLA 8th Edition Szklarzewicz, Janusz, et al. "Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen." Croatica Chemica Acta, vol. 74, br. 3, 2001, str. 529-544. https://hrcak.srce.hr/131857. Citirano 09.03.2021. Chicago 17th Edition Szklarzewicz, Janusz, Dariusz Matoga, Alina Samotus, John Burgess, John Fawcett i David R. Russell. "Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen." Croatica Chemica Acta 74, br. 3 (2001): 529-544. https://hrcak.srce.hr/131857 Harvard Szklarzewicz, J., et al. (2001). 'Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen', Croatica Chemica Acta, 74(3), str. 529-544. Preuzeto s: https://hrcak.srce.hr/131857 (Datum pristupa: 09.03.2021.) Vancouver Szklarzewicz J, Matoga D, Samotus A, Burgess J, Fawcett J, Russell DR. Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen. Croatica Chemica Acta [Internet]. 2001 [pristupljeno 09.03.2021.];74(3):529-544. Dostupno na: https://hrcak.srce.hr/131857 IEEE J. Szklarzewicz, D. Matoga, A. Samotus, J. Burgess, J. Fawcett i D.R. Russell, "Structure and Reactivity of (PPh4)3[W(CN)5O] ⋅ 7H2O. Kinetics and Mechanism of the Reaction with Molecular Oxygen", Croatica Chemica Acta, vol.74, br. 3, str. 529-544, 2001. [Online]. Dostupno na: https://hrcak.srce.hr/131857. [Citirano: 09.03.2021.] |
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Sažetak
The (PPh4)3[W(CN)5O] ⋅ 7H2O has been synthesised and structurally characterised by X-ray diffraction. In the solid state and in ethanol-acetone mixture, the salt reacts with molecular oxygen giving (PPh4)2[W(CN)4O(O2)]. The progress of the solid state reaction was followed by measuring infrared spectra. The integrated intensities of the W=O, O−O and C≡N bands changed with time according to the pseudo first-order kinetics. In solution, the kinetic measurements indicate that the rate law is of the form -d[complex]/dt = k[complex][O2]. The k value is equal to 5.78 (±0.26) mol-1 dm3 s-1 at 298 K. The activation parameters, ΔH‡(k) and ΔS‡(k), are 55 (±3) kJ mol-1 and -46 (±8) J K-1 mol-1, respectively. A reaction mechanism is proposed.
Ključne riječi
Oxopentacyanotungstate(IV); oxoperoxotetracyanotung-state(VI); reaction with dioxygen; kinetics and mechanism
Hrčak ID: 131857
URI
https://hrcak.srce.hr/131857
Moj profil
Srce