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Original Articles

Thermodynamic properties of some phosphate-carbohydrates and their strengths of bonds

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Pages 1608-1610 | Received 22 Jul 2016, Accepted 22 Jul 2016, Published online: 15 Aug 2016
 

ABSTRACT

The calculation of thermodynamic functions of condensed carbo- and phospha carbohydrates on the equation ΔΨo = i ± f (N - g), in which parameters i and f are the correlation coefficients, N is a general number of electrons in researched molecule, from which is subtracted a number (g) of lone electron pairs of heteroatoms, have been made. On the base of equations ΔaHo = Σ ΔatomHocond - ΔfHocond = ΣSb (Hb) and Ri2 = Σ{| ΔaHoexp – ΔaHocalc | gi}2, were firstly calculated the bond enthalpies of for condensed phosphatecarbohydrates: P = O 140.0, C-O-P 43.2, P-O-H 176.8, C-C(cycl) 77.8 kJ mol−1.

GRAPHICAL ABSTRACT

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