The spin–lattice relaxation time T 1 and the spin–spin relaxation time T 2 of two Schiff base derivatives, N,N'-ethylenebis(salicylidene)-1,2-diaminoethane (H2L1) and N,N’-ethylenebis (salicylidene)-1,3-diaminopropane (H2L2), in DMSO-d6 solvent were studied as a function of temperature in the range of 20–50°C using a Bruker Avance 400.132 MHz 1H NMR spectrometer. Based on the activation energy (E a) and correlation time (τc), we believe that the Schiff base derivatives perform a molecular tumbling motion.
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Published in Zhurnal Prikladnoi Spektroskopii, Vol. 82, No. 6, pp. 826–830, November–December, 2015.
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Köylü, M.Z., Ekinci, A., Böyükata, M. et al. Dynamic 1H NMR Studies of Schiff Base Derivatives. J Appl Spectrosc 82, 905–909 (2016). https://doi.org/10.1007/s10812-016-0202-8
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DOI: https://doi.org/10.1007/s10812-016-0202-8