A Theoretical and Experimental Study on Esterification of Citric Acid with the Primary Alcohols and the Hydroxyl Groups of Cellulose Chain (n = 1-2) in Parched Condition

Table 2

The calculational data of rate constants and mole percent ratio at 120°C.

Reactions	∆H^≠	∆S^≠	ѵ^∗		K (T)	X
CA ⟶ TS_A5	45.4	−3.5	839.0i	1.39	1.1 x 10^−13	0.5
CA ⟶ TS_A6	41.7	−2.0	185.9i	1.02	2.0 x 10^−11	99.5

The unit of ∆H^≠ is kcal/mol, the unit of ∆S^≠ is cal/mol.K, and the units of ѵ^∗, k (T), X are cm⁻¹ and s⁻¹, % respectively.