Abstract
The enthalpies of combustion for five noncyclic and cyclic phosphites in the condensed state were calculated from the derived equation ΔHcomb/kJ mol-1 = —860.7 — 107.0(N — n), where N is the number of bonding valent electrons, and c is the number of lone electron pairs of heteroatoms. The dependence presented was used to calculate the combustion enthalpy of five phosphorylated carbohydrates, because these thermochemical values are often difficult to determine by reaction calorimetry. The enthalpies of formation of carbohydrate cyclophosphites were calculated by Hess’s law for the first time.
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For Part 25, see Ref. 1.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 833-835, April, 2009.
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Ovchinnikov, V.V., Muzafarov, N.R. Thermochemistry of heteroatomic compounds 26.* Calculation of the combustion and formation enthalpy of carbohydrate bicyclophosphites. Russ Chem Bull 58, 851–853 (2009). https://doi.org/10.1007/s11172-009-0105-4
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DOI: https://doi.org/10.1007/s11172-009-0105-4