Thermochemical properties of polycyclic hydrocarbons including fragments of norbornane and small cycles |
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Authors: | A N Kizin R H Zaripov Al G Krestov V P Lebedev Yu A Lebedev |
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Institution: | (1) Institute of Non-Aqueous Solutions Chemistry of Russian Academy of Sciences, 1 ul. Akademicheskaya, 153045 Ivanovo;(2) N. N. Semenov Institute of Chemical Physics of Russian Academy of Sciences, 4 ul. Kosygina, 117977 Moscow |
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Abstract: | Combustion enthalpies of three polycyclic hydrocarbons were measured by the precision bomb calorimetry method and their enthalpies of formation in the liquid state were calculated: for pentacyclo6.3.1.13.6.02.7.09.11]tridecene, –7713.9±3.8 and 25.8±3.8 kJ mol–1; for 10-met hylpentacyclo6.3.1.13.6.O2,.7.09.11 It ridecene, -8348.8±3.9 and -18.7+-3.9 k] mol–1; and for 11-methylpentacyclo6.4.1.13.6.02.7.09.12]tetradecene-10-spirocyclopropane,clopropane, –10157.9±3.4 and 38.1±3.8 kJ mol–1. The thermochemical I parameters obtained agree with calculated values as well as with experimental and calculated enthalpies of formation of some hydrocarbons that contain the same fragments as the compounds studied.The authors thank Academician O. M. Nefedov and Yu. V. Tomilov for submitting the samples and for discussion of the results obtained.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2676–2678, November, 1996. |
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Keywords: | calorimetry enthalpies of combustion enthalpies of formation polycyclic hydrocarbons thermochemical calculations |
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